Tiny Homes: Jurupa Valley vs Riverside
How do tiny homes rules compare between Jurupa Valley, CA and Riverside, CA?
Jurupa Valley and Riverside have similar restriction levels.
Jurupa Valley, CA
Riverside County
California state law treats permanently-installed tiny homes on foundations as ADUs (Gov. Code §§66313 et seq., adopted locally as Title 9 §9.240.490 via Ord. 2025-22), while tiny homes on wheels are regulated as recreational vehicles under H&S Code §18010 and generally cannot be used as permanent dwellings outside of a licensed mobilehome/RV park.
View full Jurupa Valley rules →Riverside, CA
Riverside County
Riverside allows movable accessory dwelling units (MADUs) between 150 and 430 square feet on single-family lots under RMC Chapter 19.442. Tiny homes on wheels classified as RVs cannot be used as permanent dwellings on residential lots.
View full Riverside rules →Key Facts Comparison
| Fact | Jurupa Valley | Riverside |
|---|---|---|
| Permanent tiny home (foundation) | Allowed as ADU under Title 9 §9.240.490 + Gov. Code §66313 | - |
| CBC Appendix Q | Sets dwelling standards for tiny houses ≤400 sq ft | - |
| Tiny home on wheels | RV per H&S Code §18010 — NOT a permanent residence in R-1 | - |
| Local update | Ord. No. 2025-22 (Oct 2025) revised ADU code | - |
| MADU size range | - | 150-430 sq ft |
| Detached ADU max | - | 1,200 sq ft |
| JADU max | - | 500 sq ft |
| THOWs as permanent dwellings | - | Not allowed on residential lots |
| Code chapter | - | RMC Chapter 19.442 |
Highlighted rows indicate differences between cities.
Jurupa Valley FAQ
Can I put a tiny home in my Jurupa Valley backyard as a rental?
Yes — if it's a permanent foundation tiny house built to California Building Code (Appendix Q applies for ≤400 sq ft) and approved as an ADU under Title 9 §9.240.490. State law requires the city to approve it ministerially, with max 4 ft setbacks and no replacement parking.
What about a tiny home on wheels?
A movable tiny home on a chassis is regulated as a recreational vehicle under H&S Code §18010 and generally cannot be used as a permanent residence on a single-family lot in Jurupa Valley. It would have to be in a licensed RV park or mobilehome park.
Do I need to provide parking for a tiny-home ADU?
Under Gov. Code §66314, ADU parking requirements are limited (and waived entirely if within ½ mile of public transit or other listed conditions). Jurupa Valley implements these limits via Title 9 §9.240.490.
Riverside FAQ
Can I live in a tiny house on wheels in my Riverside backyard?
No. A tiny home on wheels is classified as a recreational vehicle under California law and cannot be used as a permanent residence on a single-family lot. You can, however, install a permitted MADU between 150-430 sq ft under RMC Chapter 19.442.
What is the smallest legal tiny home I can build?
Riverside's MADU floor is 150 sq ft, but the California Residential Code also requires at least a 70 sq ft sleeping room with a minimum horizontal dimension of 7 feet.
Do I need a foundation for a MADU?
A MADU does not require a permanent foundation (it is movable by definition), but it must connect to permanent water, sewer, and electrical service and be permitted by Building & Safety.
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