ADU Rules: Palm Springs vs Riverside
How do adu rules rules compare between Palm Springs, CA and Riverside, CA?
Riverside has fewer restrictions than Palm Springs.
Palm Springs, CA
Riverside County
Palm Springs regulates ADUs under Zoning Code Section 93.23.14 per California Government Code §65852.2. Detached ADUs up to 1,200 sqft/16 ft; attached up to 25 ft. 4-foot minimum setbacks. No STR use (31+ day minimum).
View full Palm Springs rules →Riverside, CA
Riverside County
Riverside regulates ADUs and JADUs under Chapter 19.442 of the Riverside Municipal Code (Title 19 Zoning). Detached ADUs are capped at 1,200 sq ft, attached ADUs at 50% of the primary dwelling or 1,200 sq ft (whichever is less, with minimums of 850 sq ft for one bedroom and 1,000 sq ft for more), and JADUs at 500 sq ft.
View full Riverside rules →Key Facts Comparison
| Fact | Palm Springs | Riverside |
|---|---|---|
| Code Section | §93.23.14 | RMC 19.442 (Title 19 Zoning) |
| Detached | 1,200 sqft / 16 ft | - |
| Attached | Up to 25 ft | - |
| Setbacks | 4 ft min (state law) | - |
| Max Detached | - | 1,200 sq ft |
| Max JADU | - | 500 sq ft |
| Parking | - | Not required |
| Min Rental Term | - | 30 days |
Highlighted rows indicate differences between cities.
Palm Springs FAQ
Can I build an ADU on my property in Palm Springs?
Palm Springs regulates ADUs under Zoning Code Section 93.23.14 per California Government Code §65852.2. Detached ADUs up to 1,200 sqft/16 ft; attached up to 25 ft. 4-foot minimum setbacks. No STR use (31+ day minimum).
What are the size limits for an accessory dwelling unit in Palm Springs?
Code Section: §93.23.14. Detached: 1,200 sqft / 16 ft. Attached: Up to 25 ft. Setbacks: 4 ft min (state law).
Riverside FAQ
How big can my Riverside ADU be?
Detached ADUs are capped at 1,200 sq ft under RMC §19.442.030. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sq ft, with 850 sq ft minimum for one bedroom and 1,000 sq ft for more.
Do I need a parking space for my Riverside ADU?
No. RMC §19.442.030 expressly states that ADUs do not require any additional off-street parking, consistent with California Government Code §65852.2.
Can I list my Riverside ADU on Airbnb?
No. RMC §19.442.030 requires that ADU rentals be for terms longer than 30 days, which prohibits short-term vacation rental use.
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