New Hampshire Building Codes

Building Codes References

New Hampshire's building codes are mandatory minimums for all buildings unless otherwise indicated.
Effective April 1, 2010, the NH State Building Code has been amended with the 2009 I-codes. The requirements for automatic sprinkler systems in one- and two-family dwellings and townhouses will NOT take effect until April 1, 2012 (check local ordinances).
Code TypeCode ModelAmendment Contact
Building/Dwelling CodeIBC 2009 & IRC 2009 with amendmentsFire Marshal's Office, (603) 271-3294 and Department of Safety
Applies as a mandatory minimum to all buildings except one and two family dwellings
Structural CodeIBC 2009 & IRC 2009 with amendmentsFire Marshal's Office, (603) 271-3294 and Department of Safety
Applies as a mandatory minimum to all buildings except one and two family dwellings
Plumbing CodeIPC 2009 with amendmentsState Plumber's Board, (603) 271-3267 and Department of Safety
Local jurisdictions must get state approval to make code more stringent
Mechanical CodeIMC 2009 with amendmentsFire Marshal's Office, (603) 271-3294 and Department of Safety
Electrical CodeNEC 2009 with amendmentsFire Marshal's Office, (603) 271-3294 and Department of Safety
Fire/Life Safety CodeNFPA 1, UFC 2003 (State Fire Code)Fire Marshal's Office, (603) 271-3294 and Department of Safety
Accessibility CodeIBC 2006, ICC/ANSI A117.1-2003Online
Applies to publicly-funded buildings, government-owned buildings and public accommodations
Energy CodeIECC 2009 with amendmentsPublic Utilities Commission, (603) 271-2431 and Department of Safety
Applies to commerical and industrial buildings over 4,000 square feet
Elevator CodeASME A17.1Online
Gas CodeState Fire CodeFire Marshal's Office, (603) 271-3294
Boiler CodeASME Boiler & Pressure Vessel CodeOnline

Authorities Having Jurisdiction (AHJ)

Authorities Having Jurisdiction are those government officials who are the final authority on questions in a particular area (or jurisdiction).
Jurisdictional AreaContact
StructuralState Fire Marshal's Office
Phone: (603) 271-3294
PlumbingState Board for the Licensing and Regulation of Pl
Phone: (603) 271-3267
Fax: (603) 271-6656
ElectricalElectrician Board
Phone: (603) 271-3748
EnergyJon Osgood
Utility Analyst, Public Utilities Commission
Phone: (603) 271-6550
Fax: (603) 271-3878
Fire MarshalJ William Degnan
State Fire Marshal's Office, Division of Fire Safe
Phone: (603) 271-3294
Fax: (603) 271-1091
Boiler InspectorBoilers & Elevators, Dept. of Labor
Phone: (603) 271-2584
Elevator InspectorBoilers & Elevators, Dept. of Labor
Phone: (603) 271-2585
Building codes are also available for these other New Hampshire municipalities: