An independent guide to local permits & inspections

Belknap County building permits & inspections

New Hampshire · County directory

Find the office responsible for building permits, plan review, inspections, and zoning in Belknap County, New Hampshire.

We haven’t researched an office in Belknap County yet

Check whether your address is inside a city or town first; if it is unincorporated, the county government can tell you which office reviews building permits. These New Hampshire offices have full department guides:

All New Hampshire building departments

Finding the right permit office

  1. Identify the exact property address and municipality.
  2. Confirm whether the city, town, township, borough, parish, county, or regional authority serves that address.
  3. Ask which permits, zoning approvals, plan reviews, and inspections apply to the project.
  4. Keep the official portal, permit number, approved plans, and inspection instructions together.

Our guide City or county: who issues your building permit? explains how to check city limits and unincorporated areas using parcel maps and tax records.

What to check in New Hampshire

New Hampshire's State Building Code is based on the 2021 International Codes, with the 2018 energy code. Towns and cities that run enforcement programs issue permits and inspect.

State building code, local enforcement. An address inside an incorporated city or another local jurisdiction may be served by a separate building department.