Tiny Homes: Menifee vs Riverside
How do tiny homes rules compare between Menifee, CA and Riverside, CA?
Menifee and Riverside have similar restriction levels.
Menifee, CA
Riverside County
Menifee allows tiny homes only as Accessory Dwelling Units (ADUs) under Development Code §9.295.020 implementing Gov. Code §65852.2 — they must be on a permanent foundation, meet California Residential Code, and conform to the 1,500 sq ft ADU maximum (no minimum). Tiny homes on wheels (THOWs) are treated as RVs under Health & Safety Code §18009.3 and cannot be used as permanent residences except in licensed RV parks.
View full Menifee 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 | Menifee | Riverside |
|---|---|---|
| ADU Pathway | Menifee Dev. Code §9.295.020 | - |
| Min Size (CRC §R304) | 150 sq ft efficiency unit | - |
| Max Size | 1,500 sq ft | - |
| THOWs on SFR Lot | Not permitted (HSC §18009.3) | - |
| 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.
Menifee FAQ
Can I live in a tiny home in my backyard in Menifee?
Yes, if it qualifies as an ADU under §9.295.020 — built to California Residential Code on a permanent foundation, between approximately 150 and 1,500 sq ft, with 4-foot setbacks and 18-foot max height for detached units.
Can I park a tiny home on wheels (THOW) as my residence?
No. Tiny homes on wheels are recreational vehicles under Cal. Health & Safety Code §18009.3 and cannot be used as permanent dwellings on residential lots in Menifee — they're only allowed in licensed RV parks.
Does Menifee have any tiny-home-specific ordinance?
No standalone tiny-home ordinance — Menifee uses the state ADU framework (§9.295.020 implementing Gov. Code §65852.2). The Permit Ready ADU program offers pre-approved tiny-style plans starting at 306 sq ft.
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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