New Hampshire
Find your town’s building department
Phone, address, hours, the inspector and the online permit portal for 234 New Hampshire cities and towns, with the state rules on which home projects need a permit and who pulls it.
Contact details for every town, each checked against the town’s own website (latest check 2026-09-18).
Do I need a permit in New Hampshire?
Every town, by county
Belknap County 11 towns
Carroll County 18 towns
Cheshire County 23 towns
Coos County 20 towns
Grafton County 39 towns
Hillsborough County 31 towns
Merrimack County 27 towns
Rockingham County 37 towns
- Atkinson
- Auburn
- Brentwood
- Candia
- Chester
- Danville
- Deerfield
- Derry
- East Kingston
- Epping
- Exeter1,345
- Fremont
- Greenland
- Hampstead
- Hampton2,798
- Hampton Falls
- Kensington
- Kingston
- Londonderry
- New Castle
- Newfields
- Newington
- Newmarket
- Newton
- North Hampton
- Northwood
- Nottingham
- Plaistow
- Portsmouth
- Raymond
- Rye
- Salem
- Sandown
- Seabrook1,016
- South Hampton
- Stratham
- Windham
Strafford County 13 towns
Sullivan County 15 towns
Contractor? The same towns with permit volumes and filings are under New Hampshire permits by town.