IRC Standardizes Building Code for Tiny Homes

Cities, towns and counties typically base their building codes on the International Residential Code (IRC), which is collaborating with the Tiny Home Industry Association (THIA) to standardize the codes related to tiny homes used for permanent occupancy, whether on a foundation or on wheels.

Tiny homes are increasingly being adopted as an affordable means of housing the homeless, but have also grown in popularity among those who choose to “live lightly.”  I have toured tiny homes in more than one “green homes tour” in Boulder and elsewhere.

The standards are included in the IRC as Appendix AQ. ICC/THIA Standard 1215 will complement existing tiny house resources developed by the Code Council, including the “International Tiny House Provisions,” “Model Legislation on Tiny Houses,” and a “Guide on Navigating Certification and Regulation of Tiny Houses.” All of these are available on the Code Council’s dedicated off-site construction webpage.

“This new standard will codify existing requirements for the design, construction, inspection, and certification of tiny houses into a single standard while also helping to address identified gaps in available requirements,” said Ryan Colker, Code Council vice president of innovation.

“This joint effort with the Code Council will go a long way in helping to clear the confusion within the regulatory and tiny home builder community,” said Brad Wiseman, CEO and Board Chairman of THIA.

Author: Golden Real Estate, Inc.

Golden Real Estate is a prominent member of the Denver/Jefferson County real estate scene. Based in Golden, we service both Denver and Jeffco, representing both buyers and sellers. We're well known for Broker Jim Smith's weekly "Real Estate Today" column published in the Denver and Jeffco editions of the Denver Post's YourHub section each Thursday. The column also appears in several weekly newspapers and is archived at We have nine agents, all of whom are Realtors and EcoBrokers. Our office is Net Zero Energy since December 2017, and several of us drive electrics cars. Known for our sustainable practices, we accept polystyrene (aka "Styrofoam") for recycling, keeping 200 cubic yards per year out of area landfills.

One thought on “IRC Standardizes Building Code for Tiny Homes”

  1. love this
    I found this blog post to be very informative. It’s great to hear that the International Residential Code is collaborating with the Tiny Home Industry Association to standardize codes related to tiny homes used for permanent occupancy. It seems that this partnership will bring clarity and guidance to both the regulatory and tiny home builder community. I’m curious to know if any other organizations or associations are involved in this effort? Great post! What other associations, if any, are involved in this collaboration to standardize codes related to tiny homes used for permanent occupancy?


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