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🏗️ Accessory Structures/Tiny Homes

Tiny Homes: Oxnard vs Simi Valley

How do tiny homes rules compare between Oxnard, CA and Simi Valley, CA?

Oxnard and Simi Valley have similar restriction levels.

Oxnard, CA

Ventura County

Some Restrictions

Tiny homes in Oxnard are regulated as either ADUs (if on a permanent foundation) or park model RVs. California ADU law (AB 68, SB 13) streamlines accessory dwelling unit approval. Tiny homes on wheels are classified as RVs and cannot be used as permanent residences on residential lots.

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Simi Valley, CA

Ventura County

Some Restrictions

Tiny homes on foundations in Simi Valley are regulated as ADUs or standard dwellings and must meet California Building Code requirements. Tiny homes on wheels are classified as RVs and may not be used as permanent residences on residential lots.

View full Simi Valley rules →

Key Facts Comparison

FactOxnardSimi Valley
On FoundationTreated as ADU, streamlined permitRegulated as ADU, permits required
On WheelsClassified as RV, no permanent useClassified as RV, no habitation
State LawGov. Code §65852.2 (ADU)-
Min StandardsMust meet CBC habitability-
HCD Certification-Required for factory-built units
Minimum Size-Must meet CBC habitable standards

Highlighted rows indicate differences between cities.

Oxnard FAQ

Can I put a tiny home in my Oxnard backyard?

Yes, if it is on a permanent foundation and meets ADU requirements. California ADU law streamlines approval for accessory dwelling units including tiny homes meeting building code standards.

Can I live in a tiny house on wheels in Oxnard?

No. Tiny homes on wheels are classified as recreational vehicles and cannot be used as permanent residences on residential lots in Oxnard. They may only be lived in at designated RV parks.

What size can a tiny home ADU be in Oxnard?

ADUs can be up to 800 square feet for detached units on single-family lots or up to 1,000 square feet for two-bedroom ADUs under California state law minimums that cities must allow.

Simi Valley FAQ

Can I live in a tiny home in Simi Valley?

Tiny homes on permanent foundations are allowed as ADUs with proper permits. Tiny homes on wheels cannot be used as permanent residences and are classified as RVs.

Do tiny homes need to meet building code?

Yes, tiny homes on foundations must meet all California Building Code requirements for habitable space including minimum ceiling heights, egress, plumbing, and electrical standards.

Can I park a tiny home on wheels in my yard?

You may store a THOW on your property subject to RV parking rules, but you cannot live in it or connect it to permanent utilities for habitation purposes.

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