Tiny home rules in Columbus, OH — covering tiny houses on wheels (THOWs), park model RVs, and tiny home on foundation builds — determine where they are legal and how they get permitted.
Columbus permits tiny homes on permanent foundations as standard single-family dwellings if they meet the Ohio Residential Code minimums, including Appendix Q small-dwelling provisions. Tiny homes on wheels are treated as recreational vehicles and are not allowed as permanent residences on residential lots.
Ohio has adopted Appendix Q of the IRC, which allows dwellings of 400 square feet or less to be built with reduced ceiling-height, loft, and egress standards. Columbus applies the full Residential Code including Appendix Q, so a permanent tiny home meeting code can be permitted on any lot where a detached single-family dwelling is allowed, subject to the underlying zoning's minimum lot size and setbacks.
Tiny homes on wheels - units built on a trailer chassis and certified as RVs - are not legal permanent dwellings in Columbus residential zones. They can be parked temporarily on a residential lot under the city's RV storage rules but cannot be hooked up to utilities as a primary residence. Accessory Dwelling Unit rules adopted in recent zoning reform allow smaller secondary dwellings on lots meeting size criteria, which is the closest path to a small detached structure as a secondary residence.
Subdividers proposing tiny-home communities must go through standard PUD or subdivision review. Utility connections must meet full building and plumbing code; cluster septic or shared wells in the Columbus service area are not typical.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Columbus code enforcement directly for current fines, enforcement procedures, and hearing options.
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Side-by-side rule comparisons with other cities in Franklin County.
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