New Hampshire
Coos County, NH building departments and permits
- New Hampshire leaves building permits, inspections and fees to each municipality under RSA 155-A (RSA 155-A).
- Coos County also has 20 unincorporated places that belong to no town, among them Dixville, Success and Second College Grant (RSA 662:4). There the county issues the zoning permit, through the County Commissioners or their designee (Coos County zoning ordinance for the unincorporated places).
- 1 of the county's towns takes building permit applications online.
- 6 towns file on paper, with the forms on the town website.
- In 16 towns, permits go through the town office rather than a separate building department.
- The Coos County department records were checked against each town's official website on 2026-09-18.
Contractors: see New Hampshire permit alerts and data
20 cities and towns in CoosCounty, each with its building department’s contact details, permit portal or forms, the state rules on which home projects need a permit and who pulls it, and quotes from licensed contractors. No Coos County town publishes a permit feed permits.llc can index yet, so there are no filings to show here.
Which building department to call in Coos County
Find your town, then call its department or apply the way it takes applications. Each town’s page has the address, the hours where the town publishes them, and the permit rules.
| Town | Phone | How to apply |
|---|---|---|
| Berlin | 603-752-1630 | Town website |
| Carroll | 603-846-5494 ext. 2 | Paper forms |
| Clarksville | 603-246-7751 | Town office |
| Colebrook | 603-237-4070 | Town office |
| Columbia | 603-237-5255 | Paper forms |
| Dalton | 603-837-7027 | Town office |
| Dummer | 603-449-2468 | Town office |
| Errol | 603-482-3351 | Town office |
| Gorham | 603-466-3322 ext. 7 | Online: BS&A |
| Jefferson | 603-586-4553 | Town office |
| Lancaster | 603-788-3391 | Town office |
| Milan | 603-449-2484 | Paper forms |
| Northumberland | 603-636-1450 | Town office |
| Pittsburg | 603-538-6697 | Paper forms |
| Randolph | 603-466-5771 | Town office |
| Shelburne | 603-723-3777 | Paper forms |
| Stark | 603-636-2118 | Town office |
| Stewartstown | 603-246-3329 | Town office |
| Stratford | 603-922-5533 | Paper forms |
| Whitefield | 603-837-2551 | Town office |
Frequently asked questions
Which building department do I call in Coos County?
New Hampshire leaves building permits, inspections and fees to each municipality under RSA 155-A (RSA 155-A). Coos County also has 20 unincorporated places that belong to no town, among them Dixville, Success and Second College Grant (RSA 662:4). There the county issues the zoning permit, through the County Commissioners or their designee (Coos County zoning ordinance for the unincorporated places). The table on this page lists each town's department with its phone and how to apply.
Which Coos County towns does permits.llc cover?
All 20 cities and towns in Coos County, each with its building department's contact details, the state rules on which home projects need a permit, and a form for quotes from licensed contractors.
Does permits.llc list permits filed in Coos County?
Not yet. Coos County's towns do not publish a permit feed permits.llc can index, so the town pages carry department contact details and permit rules rather than filings. Ask the town building department how to look up a permit by address.
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