Tiny home rules in Orange County, FL — 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.
Tiny homes on foundations must meet Florida Building Code like any dwelling. Tiny homes on wheels are regulated as RVs and cannot be used as permanent residences in most Orange County zoning districts.
Orange County treats tiny homes on permanent foundations as site-built single-family dwellings. They must comply with the Florida Building Code Residential, including 139 mph wind design, minimum room size rules (habitable rooms 70 sq ft with one at least 120 sq ft unless applying Appendix Q for dwellings under 400 sq ft), egress, smoke alarms, and zoning minimum dwelling sizes which vary by district (often 800-1,200 sq ft minimum). Tiny homes on wheels (THOW) are regulated as recreational vehicles under FL §320 and Chapter 15C-1 FAC. They cannot be used as permanent residences outside a licensed RV park or campground in most Orange County zoning districts. Park model RVs (ANSI A119.5) have similar limitations. ADU rules may provide a legal path for tiny structures under 800 sq ft on eligible lots.
THOW used as dwelling outside park: $500/day code enforcement. Unpermitted site-built tiny home: Stop Work plus retroactive full permit process. Short-term occupancy of RV on residential lot: per zoning district rules.
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See how Orange County's tiny homes rules stack up against other locations.
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