Town of Gilmanton

Building permits are required for ALL structures including (but not limited to) dwellings, garages, sheds, decks, and porches. Prior to a permit being granted, all zoning, codes, and regulations must be met.

Note: Not specifically listed in publicly accessible sources. Contact the Community Development Department at (603) 267-6700 for the current list of exempt work. Under NH State Building Code, typical exemptions include ordinary maintenance and repairs that do not affect structural, electrical, plumbing, or mechanical systems.

Building code

NH State Building Code (RSA 155-A); effective July 1, 2024, the state code uses 2021 IBC/IRC. Gilmanton applies NH State Building Code and references 2021 IRC Table R301.2 for design criteria.

Contractor requirements

State-licensed electricians (RSA 319-C) and plumbers (RSA 329-A) required. Residential electrical, mechanical, and plumbing permits are $50 each; solar electric permits are $200.

1. 01
   Contact Community Development staff at the town offices (603-267-6700) with preliminary questions about zoning, setbacks, and whether a permit is required.
2. 02
   Download or obtain the building permit application packet. All new structures (dwellings, garages, sheds, decks, porches, etc.) require a site plan showing the location of the structure on the lot with setback distances from property boundaries.
3. 03
   Prepare required documents: completed application; site plan (minimum 11x17 inches, to scale, clearly legible) showing structure location and setbacks; building plans (11x17 inches minimum); septic design (if applicable); site engineering (if applicable).
4. 04
   The application is received through the Community Development Department, verified by Zoning for compliance with all zoning, codes, and regulations, then processed through the Building Department.
5. 05
   Completed applications are reviewed within 3-5 business days.
6. 06
   Upon approval, post permit on site and proceed with construction.
7. 07
   Schedule inspections with a minimum 48 hours advance notice (call 603-794-8267).

Typical processing time: 3-5 business days for complete applications

Source: Building & Code Enforcement / Community Development Department ↗

Contact town offices for payment instructions.

Fees change periodically. Confirm at the official fee schedule ↗ (effective October 1, 2025) before budgeting.

• (603) 794-8267 (phone)

Scheduling deadline

Minimum 48 hours advance notice

Inspection hours

Community Development / Selectmen's Office: Monday-Thursday 8:30 AM-5:00 PM. Building Inspector is part-time; allow at least 48 hours for return calls and inspection scheduling. Same-day inspections are not available.