2021 International Tiny House Provisions: Code, Commentary and Standards for Design, Construction and Compliance

International Tiny House Provisions

Tiny houses have garnered considerable attention, providing a unique lifestyle that addresses many of the challenges faced by new homeowners or those looking to downsize. The International Code Council, THIA, MBI and MHBA have compiled this document to assist tiny house designers and builders, policy makers and code officials in navigating the existing codes, standards and compliance mechanisms for tiny houses.

Codes and standards captured in whole or in part within this document include:

• Model Legislation to Enable the Use of Affordable, Safe, Sustainable and Efficient Tiny Houses
• 2021 International Residential Code (IRC) with provisions from Appendix AQ (including commentary) incorporated and nonapplicable provisions removed
• ICC/MBI Standard 1200–2021, Standard for Off-Site Construction: Planning, Design, Fabrication and Assembly
• ICC/MBI Standard 1205–2021, Standard for Off-Site Construction: Inspection and Regulatory Compliance
• HUD Manufactured Home Construction and Safety Standards

This document references, but does not reproduce, the following standards for temporary or seasonal recreational vehicles developed by other organizations:

• NFPA 1192, Standard on Recreational Vehicles
• ANSI A119.5, Standard for Park Model Recreational Vehicles