Tiny Homes: Castaic vs Long Beach
How do tiny homes rules compare between Castaic, CA and Long Beach, CA?
Castaic and Long Beach have similar restriction levels.
Castaic, CA
Los Angeles County
Tiny homes on permanent foundations are treated as ADUs under CA Gov Code 65852.2 and LA County's ADU ordinance in unincorporated areas. Tiny homes on wheels are not recognized as permanent dwellings. LA County allows ADUs up to 1,200 sq ft detached with 4 ft side/rear setbacks.
View full Castaic rules βLong Beach, CA
Los Angeles County
Tiny homes on foundations are regulated as ADUs under CA Gov Code Β§65852.2. Tiny homes on wheels are not permitted as permanent dwellings in residential zones but may qualify as recreational vehicles subject to parking and storage rules.
View full Long Beach rules βKey Facts Comparison
| Fact | Castaic | Long Beach |
|---|---|---|
| On Foundation | Treated as ADU, permitted | Regulated as ADU |
| On Wheels | Not allowed as permanent dwelling | Not a permanent dwelling |
| Max ADU Size | 1,200 sq ft detached | - |
| State Law | CA Gov Code 65852.2 | CA Gov Code Β§65852.2 |
| Permit | - | Building permit required if on foundation |
Highlighted rows indicate differences between cities.
Castaic FAQ
Can I put a tiny home in my backyard in unincorporated LA County?
Yes, if it's on a permanent foundation and meets ADU requirements. Detached units up to 1,200 sq ft are allowed with 4-foot setbacks. You need a building permit from LA County Building & Safety.
Can I live in a tiny home on wheels in LA County?
No. Tiny homes on wheels are classified as recreational vehicles and cannot be used as permanent dwellings. They can be parked on your property subject to RV parking rules but cannot be connected to utilities as a residence.
What permits do I need for a tiny home ADU?
You need a building permit from LA County Building & Safety. Under state law, ADU permits must be approved ministerially (no discretionary review) within 60 days if plans comply with standards. Contact (626) 458-3171.
Long Beach FAQ
Can I put a tiny home in my backyard?
Possibly under Long Beach ADU rules if on a permanent foundation. Tiny homes on wheels face stricter zoning limitations.
What is the minimum house size?
Long Beach typically requires 400 to 800+ square feet for a primary dwelling. ADU rules may allow smaller secondary units.
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