Permit guides
Search the published guide library. Check the conditions, confirm the jurisdiction, then follow the official application path.
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.
Boston uses a Short-Form permit only for repair of an approved existing roof deck without structural changes; a new or expanded roof deck, structural work or missing approved plans uses a Long-Form permit.
An electrical panel or service upgrade requires electrical permit review and qualified electrical work in Boston.
Outdoor fences and land-use additions may require Boston permit or zoning review depending on location and scope.
Installed HVAC replacement is a trade and building scope that Boston Inspectional Services must classify before work begins.
Boston uses a Short-Form permit for minor renovation without structural or use changes and a Long-Form permit when walls, egress, structure or use changes; kitchens and bathrooms can also require licensed trade permits.
Boston routes roof additions and structural or major alterations through Inspectional Services; the exact permit depends on scope.
A building-connected solar project needs project-specific building, electrical, structural, and inspection review in Boston.
Water-heater replacement requires project-specific plumbing, electrical, mechanical, and inspection review in Boston.
Boston uses a Short-Form permit for replacing an existing window without structural change and a Long-Form permit for a new opening, enlarged opening or other structural work.