Tiny Homes: Fairfield vs Vallejo
How do tiny homes rules compare between Fairfield, CA and Vallejo, CA?
Fairfield and Vallejo have similar restriction levels.
Fairfield, CA
Solano County
California HCD guidance and Health and Safety Code 18007 classify many tiny homes on wheels as manufactured housing or ADUs, granting statewide siting protections.
View full Fairfield rules βVallejo, CA
Solano County
Vallejo regulates tiny homes differently based on whether they are on a permanent foundation or on wheels. Zoning and minimum square footage requirements apply.
View full Vallejo rules βKey Facts Comparison
| Fact | Fairfield | Vallejo |
|---|---|---|
| Statute | Health & Safety Code 18007 | - |
| ADU pathway | Gov Code 65852.2 | - |
| Standards | HUD or ANSI 119.5 | - |
| Regulator | HCD | - |
| Foundation | - | Treated as dwelling |
| On Wheels | - | RV classification typically |
| Min Size | - | 400 to 800 sq ft varies |
| ADU Path | - | May allow as secondary |
Highlighted rows indicate differences between cities.
Fairfield FAQ
Can I park a tiny home on wheels in my backyard full time?
Generally no, unless it qualifies as an ADU on a foundation or your city has a specific movable-tiny-house ordinance. RVs are limited to RV parks.
Are foundation-built tiny homes protected by ADU law?
Yes. A tiny home meeting ADU size and code requirements receives the full ministerial approval protections of Government Code 65852.2 statewide.
Vallejo FAQ
Can I put a tiny home in my backyard?
Possibly under Vallejo ADU rules if on a permanent foundation. Tiny homes on wheels face stricter zoning limitations.
What is the minimum house size?
Vallejo typically requires 400 to 800+ square feet for a primary dwelling. ADU rules may allow smaller secondary units.
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