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Building Permit Guides by City and Project

Search the published guide library. Check the conditions, confirm the jurisdiction, then follow the official application path.

10 of 300 published guides

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, 2026
Philadelphia, PAConditional

What permits are needed for a residential deck or patio in Philadelphia?

Philadelphia offers a no-plans EZ permit for qualifying residential decks up to 216 square feet, while an on-grade patio and a deck no more than 12 inches above grade can be exempt from zoning review.

4 guide citations · Reviewed Oct 24, 2026
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, 2026
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, 2026
Philadelphia, PAConditional

What permit does an interior remodel need in Philadelphia?

Philadelphia allows an EZ permit for qualifying nonstructural interior alterations in a single-family residence; structural, occupancy, egress or broader work requires plans and related permits.

4 guide citations · Reviewed Oct 24, 2026
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, 2026
Philadelphia, PAConditional

Does window or exterior-door replacement need a permit in Philadelphia?

A one- or two-family dwelling usually does not need a building permit for non-fire-rated window or door replacement in the same opening without structural change, unless the property is historic.

4 guide citations · Reviewed Oct 24, 2026