Tiny home rules in Oklahoma City, OK — 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.
Oklahoma City allows tiny homes on foundations as single-family dwellings subject to standard residential code and zoning. Tiny houses on wheels (THOWs) are classified as RVs and cannot be used as permanent dwellings in residential zones. Accessory dwelling units provide a path for small secondary dwellings on existing single-family lots.
Oklahoma City treats tiny homes differently depending on construction type. Site-built tiny homes on permanent foundations that meet the International Residential Code — including minimum room size, ceiling height (7 feet), egress, insulation, plumbing, and electrical — can be permitted as single-family dwellings in residential zones. Appendix Q of the IRC, adopted by Oklahoma City, provides specific allowances for homes 400 square feet or less, reducing some space and loft requirements while maintaining life-safety standards. Manufactured homes (HUD-code) and modular homes meeting applicable codes are also permitted.
Tiny houses on wheels built to RV standards (RVIA-certified) are classified as recreational vehicles and cannot legally serve as permanent dwellings in residential zones — they may be parked up to 72 hours on the street and indefinitely on a private driveway, but occupancy as a dwelling is prohibited outside of licensed RV parks. Accessory dwelling units (ADUs) represent an alternative path: Oklahoma City has expanded ADU allowances in recent zoning updates, permitting ADUs up to 800 square feet on most single-family lots with conditions including owner-occupancy of the primary or secondary unit, one additional parking space, and connection to existing utilities. Permits, site plan review, and impact fees apply. Tornado shelter considerations apply to all residential construction.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Oklahoma City code enforcement directly for current fines, enforcement procedures, and hearing options.
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See how Oklahoma City's tiny homes rules stack up against other locations.
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