Portsmouth, NH · Deck or porch permit
Portsmouth, NH deck or porch permit checklist
6 required items. Read from the town's pages on 09/27/2026.
In the packet (3)
- Deck plan with footing, framing and ledger details RSA 155-A:1 Definitions (state building code editions)
- Plot plan showing the work and distances to the lot lines Inspection Department FAQ
- Structural details: framing, beams and headers Inspection Department FAQ
Filed on ViewPoint Cloud (OpenGov) - City of Portsmouth (1)
- Building permit application, completed, signed and dated RSA Chapter 155-A New Hampshire Building Code (full chapter)
Only when it applies (2)
- State permit for the site (driveway, shoreland or wetlands) (when Is any work within 100 feet of a wetland, stream or pond: yes) RSA Chapter 482-A Fill and Dredge in Wetlands
- Historic Commission or historic district sign-off (when Is the property in a historic district, or is the building 50 or more years old: yes) ViewPoint Cloud public API - Portsmouth record types and descriptions (JSON)