Building Permit Guides by City and Project

Atlanta, GAConfirm with authority

What permit does an ADU need in Atlanta?

Atlanta treats an accessory dwelling unit as a project-specific addition or conversion with zoning, building, trade, and occupancy review.

12 guide citations · Reviewed Sep 12, 2026Compare

Austin, TXPermit required

What permit does an ADU need in Austin?

Austin ADUs require property eligibility, a new address or building number, a residential building permit, related trade permits, inspections, and a Certificate of Occupancy. Starting October 1, 2026, residential plan review also includes lighting-control checks when the project enters that review path.

13 guide citations · Reviewed Sep 15, 2026Compare

Boston, MAPermit required

What permit does an ADU need in Boston?

Boston ADUs require a long-form building permit, related trade permits, possible zoning relief, inspections, and a Certificate of Occupancy. Boston now directs applicants to its online permitting portal for application, payment, status checks, and approved-permit printing.

15 guide citations · Reviewed Sep 15, 2026Compare

Charlotte, NCPermit required

What permits does an ADU need in Charlotte?

A Charlotte ADU requires City Individual Residential Lot review plus Mecklenburg County building and trade permits, inspections and occupancy approval.

5 guide citations · Reviewed Oct 18, 2026Compare

Chicago, ILConfirm with authority

What permit does an ADU need in Chicago?

Chicago evaluates a secondary dwelling as a change in dwelling configuration with building, zoning, life-safety, trade, and possible occupancy review.

16 guide citations · Reviewed Sep 12, 2026Compare

City and County of Denver, COPermit required

What permit does an ADU need in Denver?

A Denver ADU requires zoning eligibility, a new or additional address request, building and trade permits, and inspections before occupancy.

12 guide citations · Reviewed Sep 12, 2026Compare

City of Houston, TXPermit required

What permit does an ADU need in Houston?

A Houston detached second dwelling unit requires site-specific building and trade permits even when the owner starts from the City's preliminary-reviewed free ADU plans.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Los Angeles, CAPermit required

What permit does an ADU need in Los Angeles?

Los Angeles ADUs follow the city ordinance, development standards, LADBS permit review, inspections, and possible planning or housing conditions.

18 guide citations · Reviewed Sep 12, 2026Compare

City of Miami, FLConfirm with authority

What permit does an ADU need in Miami?

An ADU or secondary dwelling requires address-specific zoning, building, trade, flood, and occupancy review.

13 guide citations · Reviewed Sep 12, 2026Compare

City of New York, NYConfirm with authority

What permit path applies to an ADU or secondary unit in New York City?

NYC does not use one universal ADU permit category; a secondary unit must be reviewed through the applicable alteration, occupancy, and certificate-of-occupancy path.

16 guide citations · Reviewed Sep 13, 2026Compare

City of Phoenix, AZPermit required

What permit does an ADU need in Phoenix?

A Phoenix ADU requires site-planning approval and residential plan review; current zoning can allow multiple ADUs on some single-family lots, but each project remains site-specific.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Portland, ORPermit required

What permit does an ADU need in Portland?

A Portland ADU requires a building permit plus electrical, plumbing and mechanical trade permits, with zoning, utility, system-development-charge and inspection requirements.

4 guide citations · Reviewed Oct 17, 2026Compare

City of Seattle, WAPermit required

What permit does an ADU need in Seattle?

Adding, building, or legalizing an attached or detached ADU requires a Seattle construction permit. Seattle’s updated sanitary and side-sewer review now runs in parallel with SDCI building-permit review when an IPR record applies, while an MUP review may still be paused when eligible.

18 guide citations + 2 supplement sources · Reviewed Sep 17, 2026Compare

Dallas, TXPermit required

What permits does an ADU need in Dallas?

Dallas does not allow an ADU by right in most cases; obtain zoning authorization through an applicable ADU overlay or Board of Adjustment special exception before building permits.

4 guide citations · Reviewed Oct 18, 2026Compare

District of Columbia, DCPermit required

What permits does an accessory dwelling unit need in Washington, DC?

A new or converted District accessory apartment requires site-specific zoning and building review, construction and trade permits, and final inspections before occupancy.

5 guide citations · Reviewed Oct 18, 2026Compare

Metropolitan Government of Nashville and Davidson County, TNPermit required

What permits does a detached accessory dwelling unit need in Nashville?

A Nashville detached accessory dwelling unit requires zoning eligibility, a licensed contractor, a residential building permit and all applicable trade and property reviews.

5 guide citations · Reviewed Oct 18, 2026Compare

Minneapolis, MNPermit required

What permits does an accessory dwelling unit need in Minneapolis?

A Minneapolis ADU requires an administrative land-use application, a building permit and all applicable trade permits, followed by inspections before occupancy.

5 guide citations · Reviewed Oct 18, 2026Compare

Philadelphia, PAConfirm with authority

What permit does an ADU need in Philadelphia?

Philadelphia does not provide a universal ADU exemption; an accessory unit is evaluated as a use, zoning, building, and trade project for the address. The city's current Landlord Gateway also points owners to Permit Navigator for renovation permit and license planning.

15 guide citations · Reviewed Sep 17, 2026Compare

San Diego, CAPermit required

What permit does an ADU need in San Diego?

Every San Diego ADU or JADU requires a building permit, with zoning, coastal, utility, energy, fire and trade requirements determined by the site and project type.

3 guide citations · Reviewed Oct 17, 2026Compare

San Francisco, CAPermit required

What permits does an ADU need in San Francisco?

A San Francisco ADU requires site-specific Planning and building review, construction plans, applicable notices, trade permits and final inspections before occupancy.

5 guide citations · Reviewed Oct 18, 2026Compare

Atlanta, GAPermit required

Does an electrical panel upgrade need a permit in Atlanta?

An electrical panel or service upgrade is electrical work that must use Atlanta's technical permit path or a combined building application.

3 guide citations · Reviewed Sep 12, 2026Compare

Austin, TXPermit required

Does an electrical panel upgrade need a permit in Austin?

Austin lists an Electrical Upgrade permit path; main electric service and other exclusions require separate review.

3 guide citations · Reviewed Sep 12, 2026Compare

Boston, MAPermit required

Does an electrical panel upgrade need a permit in Boston?

An electrical panel or service upgrade requires electrical permit review and qualified electrical work in Boston.

3 guide citations · Reviewed Sep 12, 2026Compare

Charlotte, NCPermit required

Does an electrical panel upgrade need a permit in Charlotte?

A residential service or panel change requires a Mecklenburg County electrical permit and inspection.

4 guide citations · Reviewed Oct 18, 2026Compare

Chicago, ILPermit required

Does an electrical panel upgrade need a permit in Chicago?

An electrical panel or service upgrade is a regulated permit scope in Chicago and may require supporting plans or related building review.

2 guide citations + 3 supplement sources · Reviewed Sep 12, 2026Compare

City and County of Denver, COPermit required

Does an electrical panel upgrade need a permit in Denver?

An electrical panel or service upgrade is a regulated Denver permit scope with electrical inspection and possible building review.

3 guide citations · Reviewed Sep 12, 2026Compare

City of Houston, TXPermit required

Does an electrical panel upgrade need a permit in Houston?

Houston requires an electrical permit and passing City inspection for residential service-equipment modifications before CenterPoint service release.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Los Angeles, CAPermit required

Does an electrical panel upgrade need a permit in Los Angeles?

An electrical panel or service upgrade requires LADBS electrical review and inspection.

10 guide citations · Reviewed Sep 12, 2026Compare

City of Miami, FLPermit required

Does an electrical panel upgrade need a permit in Miami?

Panel and service changes require electrical permit review and inspection.

4 guide citations · Reviewed Sep 12, 2026Compare

City of New York, NYPermit required

Does an electrical panel upgrade need a permit in New York City?

Electrical panel and service work requires a DOB electrical permit and NYC Licensed Master Electrician, with current 2026 filing, fee-payment, inspection, and permit-duration rules.

14 guide citations · Reviewed Oct 21, 2026Compare

City of Phoenix, AZPermit required

Does an electrical panel upgrade need a permit in Phoenix?

Phoenix identifies electrical updates, rewiring and additions as permit work, so a residential panel or service upgrade requires an electrical permit and inspection.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Portland, ORPermit required

Does an electrical panel upgrade need a permit in Portland?

Replacing a residential service panel or changing a fuse box to circuit breakers requires a Portland electrical permit.

3 guide citations · Reviewed Oct 17, 2026Compare

City of Seattle, WAPermit required

Does an electrical panel upgrade need a permit in Seattle?

Replacing or upgrading an electrical panel requires an electrical permit.

3 guide citations · Reviewed Aug 17, 2026Compare

Dallas, TXPermit required

Does an electrical panel upgrade need a permit in Dallas?

Dallas requires a permit for a residential panel or service upgrade and requires licensed electrical work unless the homeowner qualifies through the City's knowledge review.

4 guide citations · Reviewed Oct 18, 2026Compare

District of Columbia, DCPermit required

Does an electrical panel upgrade need a permit in Washington, DC?

A residential panel or service upgrade requires a District electrical permit; a qualifying heavy-up to no more than 200 amps can use the licensed-contractor instant path.

5 guide citations · Reviewed Oct 18, 2026Compare

Metropolitan Government of Nashville and Davidson County, TNPermit required

Does an electrical panel upgrade need a permit in Nashville?

A residential electrical panel or service upgrade uses Metro Nashville's electrical trade-permit and inspection process.

4 guide citations · Reviewed Oct 18, 2026Compare

Minneapolis, MNPermit required

Does an electrical panel upgrade need a permit in Minneapolis?

A residential electrical panel or service upgrade requires a Minnesota Department of Labor and Industry electrical permit and inspection.

4 guide citations · Reviewed Oct 18, 2026Compare

Philadelphia, PAPermit required

Does an electrical panel upgrade need a permit in Philadelphia?

An electrical panel or service upgrade is electrical work that should be filed through Philadelphia eCLIPSE before construction.

3 guide citations · Reviewed Sep 17, 2026Compare

San Diego, CAPermit required

Does an electrical panel upgrade need a permit in San Diego?

A residential panel, breaker or service upgrade requires an electrical permit; qualifying breaker work from 15 through 400 amps can use San Diego's Simple MEP path.

3 guide citations · Reviewed Oct 17, 2026Compare

San Francisco, CAPermit required

Does an electrical panel upgrade need a permit in San Francisco?

A residential panel or service upgrade requires an electrical permit and inspection in San Francisco.

4 guide citations · Reviewed Oct 18, 2026Compare

Atlanta, GAConfirm with authority

Does a residential fence need a permit in Atlanta?

Atlanta fence work depends on zoning, height, location, historic conditions, and whether the project includes a retaining wall or other construction.

3 guide citations · Reviewed Sep 12, 2026Compare

Austin, TXConditional

Does a residential fence need a permit in Austin?

A residential fence not over 7 feet may be exempt outside flood hazard areas; taller or flood-area fences need the applicable permit.

3 guide citations · Reviewed Sep 12, 2026Compare

Boston, MAConfirm with authority

Does a residential fence need a permit in Boston?

Outdoor fences and land-use additions may require Boston permit or zoning review depending on location and scope.

3 guide citations · Reviewed Sep 12, 2026Compare

Charlotte, NCConfirm with authority

Does a residential fence need a permit in Charlotte?

A fence or wall along a City-maintained street needs a no-cost CDOT certificate, while private side or rear fencing still must satisfy zoning and any applicable County structural rules.

4 guide citations · Reviewed Oct 18, 2026Compare

Chicago, ILConfirm with authority

Does a residential fence need a permit in Chicago?

Chicago fence work depends on location, height, zoning, public-way conditions, and whether the work includes a wall or other structure.

2 guide citations + 3 supplement sources · Reviewed Sep 12, 2026Compare

City and County of Denver, COConfirm with authority

Does a residential fence need a permit in Denver?

Denver fence work depends on location, height, zoning, landmark, and whether the work includes a wall or accessory structure.

3 guide citations · Reviewed Sep 12, 2026Compare

City of Houston, TXConfirm with authority

Does a residential fence need a permit in Houston?

Houston requires a permit for a fence over eight feet and for any masonry or concrete fence, while shorter non-masonry fences can use the published building-permit exemption.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Los Angeles, CAConfirm with authority

Does a residential fence need a permit in Los Angeles?

Fence work depends on height, location, zoning, and whether the property is historic or hillside.

4 guide citations · Reviewed Sep 12, 2026Compare

City of Miami, FLConfirm with authority

Does a residential fence need a permit in Miami?

Fence permitting depends on height, location, zoning, flood, and right-of-way conditions.

4 guide citations · Reviewed Sep 12, 2026Compare

City of New York, NYConditional

Does a residential fence need a permit in New York City?

A fence 6 feet or less at a one- or two-family home generally falls within NYC's residential fence exception, subject to zoning and location limits.

3 guide citations · Reviewed Sep 13, 2026Compare

City of Phoenix, AZConfirm with authority

Does a residential fence need a permit in Phoenix?

Phoenix directs residential fence and wall projects through a fence permit process; fences above seven feet require structural design, while zoning, right-of-way and retaining-wall rules apply at lower heights too.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Portland, ORConfirm with authority

Does a residential fence need a permit in Portland?

Portland's fence permit threshold depends on material: over 7 feet for wood, over 4 feet for masonry or concrete, and over 8 feet for woven wire or chain link; pool barriers require permits.

3 guide citations · Reviewed Oct 17, 2026Compare

City of Seattle, WAConditional

Does a residential fence need a permit in Seattle?

A fence is usually exempt when it is 8 feet high or less and stays within Seattle's material and location limits.

3 guide citations · Reviewed Aug 17, 2026Compare

Dallas, TXConfirm with authority

Does a residential fence need a permit in Dallas?

Dallas requires a fence permit above four feet in a front yard or above six feet elsewhere, and requires a permit for a swimming-pool barrier.

4 guide citations · Reviewed Oct 18, 2026Compare

District of Columbia, DCPermit required

Does a residential fence need a permit in Washington, DC?

District DOB uses a fence permit for private-property fence repair, replacement and new installation, with simplified evidence for small in-kind work.

5 guide citations · Reviewed Oct 18, 2026Compare

Metropolitan Government of Nashville and Davidson County, TNUsually exempt

Does a residential fence need a permit in Nashville?

Metro Nashville generally does not require a permit for a fence, but zoning, right-of-way, visibility, hydrant and property-specific rules still apply.

3 guide citations · Reviewed Oct 18, 2026Compare

Minneapolis, MNUsually exempt

Does a residential fence need a permit in Minneapolis?

Minneapolis does not require a building permit for a fence, but the fence must follow current zoning rules for location, height and design.

3 guide citations · Reviewed Oct 18, 2026Compare

Philadelphia, PAConfirm with authority

Does a residential fence need a permit in Philadelphia?

Philadelphia generally requires a Building Permit for non-masonry fences over six feet or masonry fences over two feet. Zoning limits and property-specific exceptions must be checked separately.

5 guide citations · Reviewed Sep 17, 2026Compare

San Diego, CAUsually exempt

Does a residential fence need a permit in San Diego?

A fence up to seven feet tall is generally exempt from a building permit in San Diego, but height, location, zoning and structural conditions still apply.

3 guide citations · Reviewed Oct 17, 2026Compare

San Francisco, CAConfirm with authority

Does a residential fence need a permit in San Francisco?

A fence up to three feet at the front or six feet at side or rear property lines can avoid a building permit, but Planning and site restrictions still apply.

4 guide citations · Reviewed Oct 18, 2026Compare

Atlanta, GAPermit required

Does an HVAC replacement need a permit in Atlanta?

Atlanta provides a technical HVAC permit path for qualifying residential work, with building review added when the project changes structure or use.

3 guide citations · Reviewed Sep 12, 2026Compare

Austin, TXConfirm with authority

Does an HVAC replacement need a permit in Austin?

Qualifying residential HVAC replacement can use Austin's stand-alone Mechanical Change Out permit path without formal plan review.

4 guide citations · Reviewed Oct 20, 2026Compare

Boston, MAConfirm with authority

Does an HVAC replacement need a permit in Boston?

Installed HVAC replacement is a trade and building scope that Boston Inspectional Services must classify before work begins.

3 guide citations + 3 supplement sources · Reviewed Sep 12, 2026Compare

Charlotte, NCPermit required

Does an HVAC replacement need a permit in Charlotte?

Mecklenburg County expressly excludes HVAC replacement from its limited project-cost exemption, so a mechanical permit and inspection are required.

4 guide citations · Reviewed Oct 18, 2026Compare

Chicago, ILConfirm with authority

Does an HVAC replacement need a permit in Chicago?

Installed HVAC replacement is a project-specific building or trade scope in Chicago, with mechanical, electrical, fuel, and inspection requirements determined by the work.

2 guide citations + 5 supplement sources · Reviewed Sep 12, 2026Compare

City and County of Denver, COConfirm with authority

Does an HVAC replacement need a permit in Denver?

Denver connects qualifying HVAC replacement and trade work to residential construction and energy-code review.

3 guide citations · Reviewed Sep 12, 2026Compare

City of Houston, TXPermit required

Does an HVAC replacement need a permit in Houston?

Houston requires the applicable mechanical permit and inspection for residential HVAC replacement or alteration, with licensed-contractor or eligible homestead-owner rules.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Los Angeles, CAConfirm with authority

Does an HVAC replacement need a permit in Los Angeles?

Installed HVAC replacement is a mechanical, electrical, fuel, and inspection scope determined by LADBS.

4 guide citations · Reviewed Sep 12, 2026Compare

City of Miami, FLConfirm with authority

Does an HVAC replacement need a permit in Miami?

Installed A/C and HVAC replacement is a mechanical and electrical permit scope.

4 guide citations · Reviewed Sep 12, 2026Compare

City of New York, NYPermit required

Does an HVAC replacement need a permit in New York City?

HVAC replacement follows NYC DOB mechanical requirements, including equipment-specific plans, energy analysis, inspections, and commissioning when capacity thresholds are reached.

4 guide citations · Reviewed Oct 21, 2026Compare

City of Phoenix, AZConfirm with authority

Does an HVAC replacement need a permit in Phoenix?

Phoenix lists an air-conditioner repair or replacement as permit-exempt only when size, capacity and location do not change; other HVAC scopes require permit review.

3 guide citations · Reviewed Oct 18, 2026Compare

City of Portland, ORPermit required

Does an HVAC replacement need a permit in Portland?

Portland requires a residential mechanical permit for furnaces, heat pumps, air conditioners, mini-splits, ductwork and related gas work.

3 guide citations · Reviewed Oct 17, 2026Compare

City of Seattle, WAPermit required

Does an HVAC replacement need a permit in Seattle?

A furnace, heat pump, or air-conditioning replacement requires the applicable mechanical permit.

5 guide citations · Reviewed Oct 19, 2026Compare

Dallas, TXPermit required

Does an HVAC replacement need a permit in Dallas?

Dallas generally requires a permit for residential mechanical equipment replacement or alteration, with licensed-contractor or qualifying homestead-owner rules.

4 guide citations · Reviewed Oct 18, 2026Compare

District of Columbia, DCPermit required

Does an HVAC replacement need a permit in Washington, DC?

District DOB requires the applicable mechanical or supplemental trade permit for regulated residential HVAC installation, repair or replacement.

5 guide citations · Reviewed Oct 18, 2026Compare

Metropolitan Government of Nashville and Davidson County, TNPermit required

Does an HVAC replacement need a permit in Nashville?

Installed residential heating, cooling, ventilation or gas-system replacement work uses Metro Nashville's gas-mechanical permit process.

4 guide citations · Reviewed Oct 18, 2026Compare

Minneapolis, MNPermit required

Does an HVAC replacement need a permit in Minneapolis?

Most installed residential heating, cooling, ventilation, refrigeration and gas-piping replacement work requires a Minneapolis mechanical permit.

4 guide citations · Reviewed Oct 18, 2026Compare

Philadelphia, PAPermit required

Does an HVAC replacement need a permit in Philadelphia?

Philadelphia classifies HVAC, ductwork, appliances, and related equipment under the mechanical/fuel-gas trade permit path when the work is limited to that trade.

3 guide citations · Reviewed Sep 17, 2026Compare

San Diego, CAPermit required

Does an HVAC replacement need a permit in San Diego?

Installed HVAC replacement requires a mechanical permit in San Diego; qualifying residential equipment can use the Simple No-Plan combination permit.

3 guide citations · Reviewed Oct 17, 2026Compare

San Francisco, CAPermit required

Does an HVAC replacement need a permit in San Francisco?

San Francisco uses a plumbing/mechanical permit for residential furnaces, hydronic heat, heat pumps and other regulated HVAC replacement work.

4 guide citations · Reviewed Oct 18, 2026Compare

Atlanta, GAConfirm with authority

Does a roof replacement need a permit in Atlanta?

Atlanta treats roof work according to the exact repair, structural, and building scope; a limited re-roof may fit an exemption or residential checklist while structural changes require review.

3 guide citations · Reviewed Sep 12, 2026Compare

Austin, TXConfirm with authority

Does a roof replacement need a permit in Austin?

Austin routes qualifying roof work through its Residential Express Permit process, while some nonstructural repairs and replacements remain exempt.

3 guide citations · Reviewed Oct 20, 2026Compare

Boston, MAConfirm with authority

Does a roof replacement need a permit in Boston?

Boston routes roof additions and structural or major alterations through Inspectional Services; the exact permit depends on scope.

3 guide citations · Reviewed Sep 12, 2026Compare

Charlotte, NCConfirm with authority

Does a roof replacement need a permit in Charlotte?

Mecklenburg County's cost exemption can cover limited like-grade roof-covering replacement, while structural, decking and expanded roofing scope requires a building permit.

4 guide citations · Reviewed Oct 18, 2026Compare

Chicago, ILConfirm with authority

Does a roof replacement need a permit in Chicago?

Reroofing a non-low-sloped roof can be permit-exempt on qualifying residential buildings. Low-sloped reroofing, landmark work, and structural changes require separate permit review.

7 guide citations · Reviewed Sep 12, 2026Compare

City and County of Denver, COConfirm with authority

Does a roof replacement need a permit in Denver?

Denver routes roof work by exact repair, structural, energy, and zoning scope; a quick permit may apply only when the project qualifies.

3 guide citations · Reviewed Sep 12, 2026Compare

City of Houston, TXPermit required

Does a roof replacement need a permit in Houston?

Houston routes residential reroofing and roof repair through a building-permit process using the Residential Re-Roof Only Worksheet or the broader repair form when other work is included.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Los Angeles, CAConfirm with authority

Does a roof replacement need a permit in Los Angeles?

Roof work is scope-specific and can require LADBS building, structural, zoning, or inspection review.

4 guide citations · Reviewed Sep 12, 2026Compare

City of Miami, FLConfirm with authority

Does a roof replacement need a permit in Miami?

Miami requires permit review for a new roof or exterior repair scope; verify the city or Miami-Dade authority for the parcel.

4 guide citations · Reviewed Sep 12, 2026Compare

City of New York, NYConfirm with authority

Does a roof replacement need a permit in New York City?

A roof project needs a scope-specific NYC Buildings review; this guide does not assume a blanket exemption for structural or alteration work.

3 guide citations · Reviewed Sep 13, 2026Compare

City of Phoenix, AZConfirm with authority

Does a roof replacement need a permit in Phoenix?

A like-for-like Phoenix roof repair without new structural components can be permit-exempt; framing, sheathing or other structural changes require permit review.

3 guide citations · Reviewed Oct 18, 2026Compare

City of Portland, ORUsually exempt

Does a roof replacement need a permit in Portland?

Reroofing a Portland one- or two-family home with material of similar weight does not need a building permit, including replacement of some or all existing sheathing.

3 guide citations · Reviewed Oct 17, 2026Compare

City of Seattle, WAUsually exempt

Does a roof replacement need a permit in Seattle?

A typical like-for-like residential roof replacement is usually exempt.

5 guide citations · Reviewed Oct 19, 2026Compare

Dallas, TXConfirm with authority

Does a roof replacement need a permit in Dallas?

Dallas requires a reroof permit unless a single-family or duplex reroof fits the City's narrow published exemption for work valued at no more than $500.

4 guide citations · Reviewed Oct 18, 2026Compare

District of Columbia, DCPermit required

Does a roof replacement need a permit in Washington, DC?

District DOB routes residential roof repair and replacement through its permit process, with added review when the scope is structural, historic or otherwise complex.

5 guide citations · Reviewed Oct 18, 2026Compare

Metropolitan Government of Nashville and Davidson County, TNConfirm with authority

Does a roof replacement need a permit in Nashville?

Metro Nashville requires a building permit when reroofing exceeds the published normal-maintenance limit.

4 guide citations · Reviewed Oct 18, 2026Compare

Minneapolis, MNPermit required

Does a roof replacement need a permit in Minneapolis?

Minneapolis treats reroofing as permit work and lists eligible reroofs in its contractor express-permit program.

4 guide citations · Reviewed Oct 18, 2026Compare

Philadelphia, PAConfirm with authority

Does a roof replacement need a permit in Philadelphia?

Philadelphia lists stand-alone re-roofing as an EZ permit path, subject to the property's conditions and exact scope.

3 guide citations · Reviewed Sep 17, 2026Compare

San Diego, CAConfirm with authority

Does a roof replacement need a permit in San Diego?

A like-for-like roof-covering renewal can be permit-exempt, but San Diego requires a permit when the work changes structural framing, sheathing, supports, lateral elements or foundations.

3 guide citations · Reviewed Oct 17, 2026Compare

San Francisco, CAPermit required

Does a roof replacement need a permit in San Francisco?

San Francisco provides a dedicated reroofing permit and inspection path for residential roof-covering replacement.

4 guide citations · Reviewed Oct 18, 2026Compare

Atlanta, GAPermit required

What permits does a residential solar installation need in Atlanta?

A rooftop solar installation combines building and electrical review in Atlanta, with structural and utility conditions checked for the address.

3 guide citations · Reviewed Sep 12, 2026Compare

Austin, TXPermit required

What permits and inspections does a residential solar installation need in Austin?

A solar system in Austin Energy territory starts with an Auxiliary Power electrical permit and must pass Austin Energy's final solar inspection before it is turned on.

3 guide citations · Reviewed Oct 20, 2026Compare

Boston, MAPermit required

What permits does a residential solar installation need in Boston?

A building-connected solar project needs project-specific building, electrical, structural, and inspection review in Boston.

3 guide citations · Reviewed Sep 12, 2026Compare

Charlotte, NCPermit required

What permits does a residential solar installation need in Charlotte?

Residential solar requires Mecklenburg County building and electrical review, and a detached array is also listed for Charlotte's Individual Residential Lot review.

4 guide citations · Reviewed Oct 18, 2026Compare

Chicago, ILPermit required

What permits does a residential solar installation need in Chicago?

A roof-mounted solar installation can require building, electrical, structural, zoning, and inspection review in Chicago.

3 guide citations · Reviewed Sep 12, 2026Compare

City and County of Denver, COPermit required

What permits does a residential solar installation need in Denver?

A rooftop solar project can require building, electrical, structural, energy, and utility review in Denver.

4 guide citations · Reviewed Sep 12, 2026Compare

City of Houston, TXPermit required

What permits does a residential solar installation need in Houston?

Houston requires structural and electrical permits for every photovoltaic installation, with plan review and inspection before utility operation.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Los Angeles, CAPermit required

What permits does a residential solar installation need in Los Angeles?

A roof-mounted solar project can require LADBS building, electrical, structural, fire, and utility review.

4 guide citations · Reviewed Sep 12, 2026Compare

City of Miami, FLPermit required

What permits does a residential solar installation need in Miami?

A solar installation can require building, electrical, structural, and utility review.

4 guide citations · Reviewed Sep 12, 2026Compare

City of New York, NYPermit required

What permits does a residential solar installation need in New York City?

Building-connected solar generally needs a Solar job filing plus an associated electrical permit, with professional, structural, inspection, and close-out requirements.

5 guide citations · Reviewed Oct 21, 2026Compare

City of Phoenix, AZPermit required

What permits does a residential solar installation need in Phoenix?

Phoenix residential rooftop solar requires City permitting; eligible projects may use SolarAPP+ but still need a Phoenix permit, supporting documents, inspection and a separate Fire permit.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Portland, ORPermit required

What permits does a residential solar installation need in Portland?

Portland requires solar permitting through DevHub, with the application type determined by the roof, mounting, electrical and structural scope.

3 guide citations · Reviewed Oct 17, 2026Compare

City of Seattle, WAPermit required

What permits does a residential solar installation need in Seattle?

A residential solar PV installation requires an electrical permit.

5 guide citations · Reviewed Oct 19, 2026Compare

Dallas, TXPermit required

What permits does a residential solar installation need in Dallas?

Dallas routes residential solar and photovoltaic work through DallasNow with a dedicated checklist and building and electrical inspections.

4 guide citations · Reviewed Oct 18, 2026Compare

District of Columbia, DCPermit required

What permits does a residential solar installation need in Washington, DC?

A qualifying residential rooftop PV system uses the District's Solar Instant Permit path and also needs an electrical permit and approved inspection.

5 guide citations · Reviewed Oct 18, 2026Compare

Metropolitan Government of Nashville and Davidson County, TNPermit required

What permits does a residential solar installation need in Nashville?

A Nashville photovoltaic installation requires residential building review and an Electrical Photovoltaic Permit through the CAEP ePermits path.

4 guide citations · Reviewed Oct 18, 2026Compare

Minneapolis, MNPermit required

What permits does a residential solar installation need in Minneapolis?

A Minneapolis residential solar installation requires a City building permit and a separate Minnesota electrical permit.

4 guide citations · Reviewed Oct 18, 2026Compare

Philadelphia, PAPermit required

What permits does a residential solar installation need in Philadelphia?

A building-connected solar installation uses Philadelphia's general building and electrical permit paths with possible historic review.

4 guide citations · Reviewed Sep 17, 2026Compare

San Diego, CAPermit required

What permits does a residential solar installation need in San Diego?

Residential rooftop solar requires a San Diego permit; qualifying systems at 38.4 kW AC or less can be self-issued without plan review when every published condition is met.

3 guide citations · Reviewed Oct 17, 2026Compare

San Francisco, CAPermit required

What permits does a residential solar installation need in San Francisco?

A new rooftop solar system on an R-3 home uses San Francisco's digital S Permit and requires review, fee payment, a job card and inspection.

4 guide citations · Reviewed Oct 18, 2026Compare

Atlanta, GAConfirm with authority

Does a water-heater replacement need a permit in Atlanta?

Atlanta routes qualifying residential plumbing and HVAC work through technical permits, with electrical or building review added for related changes.

3 guide citations · Reviewed Sep 12, 2026Compare

Austin, TXConfirm with authority

Does a water-heater replacement need a permit in Austin?

Installed water-heater replacement is a trade scope that should be checked through Austin's plumbing and residential permit process.

3 guide citations · Reviewed Sep 12, 2026Compare

Boston, MAConfirm with authority

Does a water-heater replacement need a permit in Boston?

Water-heater replacement requires project-specific plumbing, electrical, mechanical, and inspection review in Boston.

3 guide citations · Reviewed Sep 12, 2026Compare

Charlotte, NCConfirm with authority

Does a water-heater replacement need a permit in Charlotte?

Most residential water-heater installation work uses Mecklenburg County plumbing and applicable trade permits, with a narrow electrical-connection exception for an exact like-for-like case.

4 guide citations · Reviewed Oct 18, 2026Compare

Chicago, ILConfirm with authority

Does a water-heater replacement need a permit in Chicago?

A water-heater replacement can require plumbing, mechanical, electrical, fuel, and building review in Chicago.

2 guide citations + 3 supplement sources · Reviewed Sep 12, 2026Compare

City and County of Denver, COConfirm with authority

Does a water-heater replacement need a permit in Denver?

Denver's quick-permit guidance identifies water-heater and related trade replacement as scope-specific work tied to residential and energy-code review.

3 guide citations · Reviewed Sep 12, 2026Compare

City of Houston, TXPermit required

Does a water-heater replacement need a permit in Houston?

Houston states that water-heater replacement and installation require a plumbing permit and inspection.

4 guide citations · Reviewed Oct 18, 2026Compare

City of Los Angeles, CAConfirm with authority

Does a water-heater replacement need a permit in Los Angeles?

Water-heater replacement can require plumbing, mechanical, gas, electrical, and building approvals.

4 guide citations · Reviewed Sep 12, 2026Compare

City of Miami, FLConfirm with authority

Does a water-heater replacement need a permit in Miami?

Miami-Dade's official guidance expressly includes hot-water-heater and gas-appliance replacement among permit scopes.

4 guide citations · Reviewed Sep 12, 2026Compare

City of New York, NYConfirm with authority

Does a water-heater replacement need a permit in New York City?

Water-heater work must be classified under NYC plumbing, boiler, fuel-gas, and equipment rules before work begins.

3 guide citations + 4 supplement sources · Reviewed Sep 13, 2026Compare

City of Phoenix, AZConfirm with authority

Does a water-heater replacement need a permit in Phoenix?

Phoenix treats a water-heater replacement by a licensed contractor as permit-exempt, while DIY electric replacement, relocation, gas, venting or system changes can require permits.

3 guide citations · Reviewed Oct 18, 2026Compare

City of Portland, ORPermit required

Does a water-heater replacement need a permit in Portland?

Portland lists water-heater replacement as work requiring a residential plumbing permit, with electrical, mechanical or gas permits added when those systems change.

3 guide citations · Reviewed Oct 17, 2026Compare

City of Seattle, WAPermit required

Does a water-heater replacement need a permit in Seattle?

Replacement water heaters require a plumbing permit starting July 1, 2026.

3 guide citations · Reviewed Aug 17, 2026Compare

Dallas, TXPermit required

Does a water-heater replacement need a permit in Dallas?

Dallas generally requires a plumbing permit for water-heater replacement; its leak-repair exemption does not cover replacement or rearrangement of valves, pipes or fixtures.

4 guide citations · Reviewed Oct 18, 2026Compare

District of Columbia, DCPermit required

Does a water-heater replacement need a permit in Washington, DC?

District DOB requires the applicable plumbing, gas and electrical trade permits for regulated residential water-heater installation or replacement.

5 guide citations · Reviewed Oct 18, 2026Compare

Metropolitan Government of Nashville and Davidson County, TNPermit required

Does a water-heater replacement need a permit in Nashville?

A residential water-heater replacement uses Metro Nashville's plumbing permit process, with gas-mechanical or electrical permits added when those systems are affected.

4 guide citations · Reviewed Oct 18, 2026Compare

Minneapolis, MNPermit required

Does a water-heater replacement need a permit in Minneapolis?

Minneapolis requires a plumbing permit to replace or install a water heater, with gas, mechanical or electrical approvals added when the installation changes those systems.

4 guide citations · Reviewed Oct 18, 2026Compare

Philadelphia, PAConfirm with authority

Does a water-heater replacement need a permit in Philadelphia?

A water-heater replacement is usually a plumbing, mechanical/fuel-gas, electrical, or combined permit scope in Philadelphia.

3 guide citations · Reviewed Sep 17, 2026Compare

San Diego, CAPermit required

Does a water-heater replacement need a permit in San Diego?

A standard residential water-heater replacement requires a permit and normally uses San Diego's Simple No-Plan combination permit; tankless and plan-required scopes follow a different path.

3 guide citations · Reviewed Oct 17, 2026Compare

San Francisco, CAPermit required

Does a water-heater replacement need a permit in San Francisco?

San Francisco requires plumbing/mechanical permitting and inspection for regulated residential water-heater installation or replacement.

4 guide citations · Reviewed Oct 18, 2026Compare