Residential Building Code – IRC 2015 and Appendix Q

Statewide, New Hampshire


Name Residential Building Code – IRC 2015 and Appendix Q
Municipality Statewide
Zoning Districts
Effective Date 01/10/2020
Municipal Code NH Building Code Amendment RE-15-46-20
Code Link
Authority Building Code Review Board (BCRB)


RE-15-46-20 – 2015 International Residential Code (IRC-15) Appendix Q – Tiny Houses – Approved by the Building Code Review Board January 10, 2020.

Key Contacts

Building Code Review Board (BCRB)
Commissioner’s Office
Department of Safety
33 Hazen Drive
Concord, NH 03305

Building Code Review Board Members



Updated:  Loran – August 2021

THIA will be constantly updating the legislation data. Check back often. Suggest A Correction if you are aware of any missing or incorrect information. AND keep scrolling to learn more about getting guidance.



Building Code — Legislation that speaks to how to construct a tiny house.

Zoning Code — Legislation that speaks to how the lot will be used.


ADU — Accessory Dwelling Unit

DMV — Division of Motor Vehicles

IB — Industrialized Buildings

IRC — International Residential Code

PUD — Planned Unit Development

RV — Recreational Vehicle

SF — Single Family Dwelling

T — Transitional Housing

UDO — Unified Development Ordinance

Please Suggest a Correction if you find broken links or misinformation.

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