Tiny Homes: Thousand Oaks vs Ventura
How do tiny homes rules compare between Thousand Oaks, CA and Ventura, CA?
Thousand Oaks and Ventura have similar restriction levels.
Thousand Oaks, CA
Ventura County
Tiny homes on permanent foundations are regulated as ADUs under California state law and TOMC Chapter 9. Tiny homes on wheels are classified as recreational vehicles and cannot be used as permanent dwellings in residential zones. Minimum dwelling size requirements apply.
View full Thousand Oaks rules →Ventura, CA
Ventura County
Ventura does not have a separate 'tiny home' ordinance. A tiny home on a permanent foundation is regulated as an Accessory Dwelling Unit (ADU) under SBMC Chapter 24.430 and Cal. Gov. Code §65852.2 — minimum 150 sq ft per Health & Safety Code §17958.1, maximum 18 ft height (detached). Movable tiny homes on wheels are RVs/park trailers under California HCD regulations and cannot be used as permanent dwellings on a residential lot.
View full Ventura rules →Key Facts Comparison
| Fact | Thousand Oaks | Ventura |
|---|---|---|
| On Foundation | Regulated as ADU, permitted | - |
| On Wheels | Classified as RV, no permanent dwelling | - |
| Min Size (JADU) | 150 sq ft | - |
| State Law | CA Gov Code 65852.2 | - |
| On-foundation tiny home | - | Regulated as ADU under SBMC Ch. 24.430 |
| Minimum size | - | 150 sq ft (Cal. HSC §17958.1) |
| Max height detached | - | 18 ft (20 ft for roof pitch) |
| Tiny home on wheels | - | RV/park trailer — not a permanent residence |
| JADU max | - | 500 sq ft attached, single-family lots |
Highlighted rows indicate differences between cities.
Thousand Oaks FAQ
Can I put a tiny home in my backyard in Thousand Oaks?
Yes, if it is on a permanent foundation and permitted as an ADU or JADU under California state law. Junior ADUs can be as small as 150 square feet.
Can I live in a tiny home on wheels in Thousand Oaks?
No, tiny homes on wheels are classified as recreational vehicles and cannot be used as permanent residences in residential zones. They can be stored on your property per RV parking rules.
What building codes apply to tiny homes?
Tiny homes on permanent foundations must meet California Building Code standards for habitable space, including minimum ceiling heights, ventilation, plumbing, electrical, and emergency egress requirements.
Ventura FAQ
Can I put a tiny home in my Ventura backyard?
Yes — if it is on a permanent foundation and built as an ADU under SBMC Chapter 24.430. It must be at least 150 sq ft, no more than 18 ft tall (detached), and obtain a ministerial ADU building permit.
Can I live in a tiny house on wheels on my Ventura property?
No. A tiny house on wheels is classified by California HCD as a recreational vehicle or park trailer and cannot be used as a permanent residence on a residential lot. Use is limited to licensed RV/mobile home parks.
What is the smallest legal ADU I can build?
150 square feet, per Cal. Health & Safety Code §17958.1, which SBMC 24.430.050 incorporates by reference. The ADU must still meet California Building Code habitability standards.
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