Building Permits in New Hampshire
New Hampshire statewide rules
These state rules apply everywhere in the state. Cities and counties may add stricter local rules — open your city below.
- Local changes allowed
- Limited source: gencourt.state.nh.us
- Building code
- 2024 IBC, 2024 IEBC, 2024 IPC, 2024 IMC, 2018 IECC, 2024 ISPSC, 2024 IRC, 2023 NEC source: gencourt.state.nh.us
Cities
- Manchester116,386 residents
- Nashua91,851 residents
- Concord44,674 residents
- Dover33,909 residents
- Rochester33,598 residents
- Keene23,036 residents
- Portsmouth22,938 residents
- Laconia17,310 residents
- Lebanon15,389 residents
- Claremont13,105 residents
- Somersworth12,218 residents
- Berlin9,248 residents
- Franklin8,823 residents
- Alton
- Amherst
- Antrim
- Ashland
- Bartlett
- Belmont
- Bennington
- Bethlehem
- Blodgett Landing
- Bradford
- Bristol
- Canaan
- Center Ossipee
- Center Sandwich
- Charlestown
- Colebrook
- Contoocook
- Conway
- Derry
- Durham
- East Merrimack
- Enfield
- Epping
- Exeter
- Farmington
- Francestown
- Goffstown
- Gorham
- Greenville
- Groveton
- Hampton
- Hampton Beach
- Hancock
- Hanover
- Henniker
- Hillsborough
- Hinsdale
- Hooksett
- Hudson
- Jaffrey
- Klondike Corner
- Lancaster
- Lincoln
- Lisbon
- Littleton
- Londonderry
- Loudon
- Marlborough
- Melvin Village
- Meredith
- Milford
- Milton
- Milton Mills
- Mountain Lakes
- New Boston
- Newfields
- New Hampton
- New London
- Newmarket
- Newport
- North Conway
- North Haverhill
- North Walpole
- North Woodstock
- Peterborough
- Pinardville
- Pittsfield
- Plainfield
- Plymouth
- Raymond
- Sanbornville
- Seabrook Beach
- South Hooksett
- Suissevale
- Suncook
- Tilton Northfield
- Troy
- Union
- Walpole
- Warner
- West Stewartstown
- West Swanzey
- Whitefield
- Wilton
- Winchester
- Wolfeboro
- Woodsville
Permit Categories
- Shed Permits
- Fence Permits
- Deck Permits
- Roof Permits
- Pool Permits
- Patio Permits
- Pergola Permits
- Garage Permits
- Carport Permits
- Tree Removal Permits
- Solar Panels Permits
- HVAC Permits
- Electrical Permits
- Plumbing Permits
- Driveway Permits
- ADU Permits
- Home Addition Permits
- Demolition Permits
- Windows Permits
- Water Heater Permits