ADU Permits: Corona vs Riverside
How do adu permits rules compare between Corona, CA and Riverside, CA?
Corona, CA
Riverside County
No data available yet for Corona.
Riverside, CA
Riverside County
Riverside processes ADU, MADU (movable ADU), and JADU applications ministerially under Riverside Municipal Code Chapter 19.442 and California Government Code §65852.2. The Community & Economic Development Department reviews permits with the state-mandated 60-day decision deadline. Detached ADUs may reach 1,200 sq ft and JADUs up to 500 sq ft, with a 4-foot side/rear setback for one-story units.
View full Riverside rules →Key Facts Comparison
| Fact | Corona | Riverside |
|---|---|---|
| Code Section | - | RMC Ch. 19.442; Gov. Code §65852.2 |
| Review | - | Ministerial, 60-day cap |
| Detached Max | - | 1,200 sq ft |
| JADU Max | - | 500 sq ft |
| Setback | - | 4 ft side/rear (one-story) |
| Height | - | 16 ft standard; 25 ft attached |
Highlighted rows indicate differences between cities.
Corona FAQ
No FAQs available.
Riverside FAQ
How long does ADU review take in Riverside?
California Gov. Code §65852.2(b) caps ministerial review at 60 days from a complete application. Riverside CEDD Planning issues permits over-the-counter when plans meet RMC Chapter 19.442 objective standards. No public hearing or discretionary findings are required.
Is there a minimum lot size for a Riverside ADU?
No. RMC 19.442.030 expressly states there is no minimum lot size to establish an ADU, MADU, or JADU. State law preempts any lot-size minimum for ADUs on single-family or multi-family lots.
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