Tiny home rules in Galveston County, TX — 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.
The county cannot zone tiny homes. In the City of Galveston, a tiny house on wheels counts as an RV or travel trailer and cannot be used as a dwelling or ADU; a permanent-foundation tiny house must meet full residential building code.
Texas counties lack zoning authority, so unincorporated Galveston County has no tiny-home ordinance; RV parks, floodplain elevation, and septic rules still apply. In the City of Galveston, LDR Sec. 2.303 bars manufactured homes, RVs, travel trailers, and campers from being used as an ADU, so a tiny house on wheels cannot serve as a permanent dwelling. A foundation-built tiny house is treated as a single-family dwelling and must meet the residential building code, minimum lot standards, and flood elevation.
Living in a tiny house on wheels outside a licensed RV park, or without required city approvals, is a code violation subject to abatement and daily fines set by the municipality.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Galveston County's tiny homes rules stack up against other locations.
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