Tiny home rules in Huntington Beach, CA — 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 in Huntington Beach are regulated through the ADU framework. The city offers a pre-approved ADU plan for a 1-story, 490 sq ft detached unit. Tiny homes on wheels cannot serve as permanent residences on residential lots.
Huntington Beach regulates tiny homes under its ADU provisions consistent with California Government Code Section 65852.2. The city offers a pre-approved ADU plan for a 1-story, detached 490 square foot ADU to expedite permitting. Custom detached ADUs up to 1,200 square feet are also permitted on single-family lots. Junior ADUs up to 500 square feet within existing structures are allowed. All ADUs require a building permit and address assignment. Tiny homes on wheels (THOWs) are classified as recreational vehicles and cannot serve as permanent residences. Habitable tiny homes must meet CBC requirements.
Building a tiny home without permits is subject to code enforcement. Living in an RV on a residential lot is a zoning violation.
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Side-by-side rule comparisons with other cities in Orange County.
See how other cities in Orange County handle tiny homes.
See how Huntington Beach's tiny homes rules stack up against other locations.
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