ADU Rules: Corona vs Menifee
How do adu rules rules compare between Corona, CA and Menifee, CA?
Corona and Menifee have similar restriction levels.
Corona, CA
Riverside County
Corona permits ADUs in residential zones per CMC Chapter 17.85 and California state law. Detached ADUs up to 1,200 sq ft, JADUs up to 500 sq ft. Height 16 ft detached, 25 ft attached. Setbacks reduced to 4 feet. No short-term rental of ADUs.
View full Corona rules →Menifee, CA
Riverside County
Menifee Development Code Chapter 9.295 (Special Housing Types), §9.295.020, regulates accessory dwelling units (ADUs) and junior ADUs (JADUs) consistent with Cal. Gov. Code §65852.2. ADUs are allowed in all single-family and multifamily residential zones. Maximum attached/detached ADU floor area is 1,500 sq ft; JADUs are capped at 500 sq ft and must be carved from the existing single-family residence. Side and rear setbacks are reduced to 4 ft, and detached ADUs are capped at 18 ft tall (20 ft within ½ mile of a major transit stop). One off-street parking space is required unless waived (transit-proximity, historic district, conversion, etc.).
View full Menifee rules →Key Facts Comparison
| Fact | Corona | Menifee |
|---|---|---|
| Code Section | CMC Ch. 17.85 (Ord. 3410) | - |
| Detached Max | 1,200 sq ft / 16 ft tall | - |
| JADU | 500 sq ft, owner-occupy | - |
| Setbacks | 4 ft side/rear | - |
| Code section | - | Menifee Dev. Code §9.295.020 (Chapter 9.295 Special Housing Types) |
| Max ADU size | - | 1,500 sq ft (attached or detached) |
| Max JADU size | - | 500 sq ft (interior to primary dwelling) |
| Side/rear setback floor | - | 4 ft for new ADUs |
| Max detached height | - | 18 ft (20 ft within ½ mile of a major transit stop) |
| State framework | - | Cal. Gov. Code §65852.2 |
Highlighted rows indicate differences between cities.
Corona FAQ
Can I build an ADU on my property in Corona?
Corona permits ADUs in residential zones per CMC Chapter 17.85 and California state law. Detached ADUs up to 1,200 sq ft, JADUs up to 500 sq ft. Height 16 ft detached, 25 ft attached. Setbacks reduced to 4 feet. No short-term rental of ADUs.
What are the size limits for an accessory dwelling unit in Corona?
Code Section: CMC Ch. 17.85 (Ord. 3410). Detached Max: 1,200 sq ft / 16 ft tall. JADU: 500 sq ft, owner-occupy. Setbacks: 4 ft side/rear.
Menifee FAQ
How big can my ADU be in Menifee?
Up to 1,500 sq ft for attached or detached ADUs under §9.295.020.E.2.f. JADUs are capped at 500 sq ft and must sit inside the existing single-family residence (§9.295.020.E.4.g).
How close to the property line can I build?
§9.295.020.E.2.g.i.2 sets a 4-ft minimum side and rear setback for new ADUs. The City must allow an 800 sq ft ADU with 4-ft yards even if the underlying zone is more restrictive.
Can I have both an ADU and a JADU?
Yes — §9.295.020.E.3 allows one ADU plus one JADU per single-family lot, mirroring Gov. Code §65852.2(e).
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