ADU Rules: Corona vs Jurupa Valley
How do adu rules rules compare between Corona, CA and Jurupa Valley, CA?
Jurupa Valley has fewer restrictions than Corona.
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 →Jurupa Valley, CA
Riverside County
Jurupa Valley Municipal Code Section 9.240.290 (adopted via Ordinance No. 2025-22, effective November 2025) implements California Government Code Sections 66313 et seq. Detached new-construction ADUs are capped at 850 sq ft (or 1,000 sq ft if more than one bedroom), 16 ft height (18-20 ft near transit), with 4-foot side and rear setbacks. JADUs are limited to 500 sq ft within an existing single-family dwelling.
View full Jurupa Valley rules →Key Facts Comparison
| Fact | Corona | Jurupa Valley |
|---|---|---|
| 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 | - | Jurupa Valley Municipal Code Sec. 9.240.290 (Ord. 2025-22) |
| Max detached ADU size | - | 850 sq ft (1,000 sq ft if more than 1 bedroom) |
| Max detached ADU height | - | 16 ft (18 ft or 20 ft near transit/multifamily) |
| Side/rear setback | - | 4 ft minimum |
| JADU size | - | 220-500 sq ft within existing single-family dwelling |
| State authority | - | Cal. Gov. Code Sections 66313, 66314, 66317, 66323, 66333 |
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.
Jurupa Valley FAQ
Can Jurupa Valley deny an ADU permit?
No. Per Sec. 9.240.290(D)(4), the Community Development Director must ministerially approve any application that meets the standards, with no discretionary review or public hearing. State Gov. Code Sec. 66317 caps review at 60 days.
How big can my ADU be?
A detached ADU can be up to 850 sq ft, or 1,000 sq ft if it has more than one bedroom (Sec. 9.240.290(E)(3)(a)). An attached ADU is capped at 50 percent of the primary dwelling's gross floor area.
Do I need to live on the property to build an ADU?
No owner-occupancy is required for an ADU-only project. However, Sec. 9.240.290(G)(3) requires owner-occupancy of either the JADU or primary dwelling when a JADU exists.
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