Rental projections drive every ADU financing decision in California, which is exactly why so many of them are wrong. Online rent estimators average across whole zip codes and miss the premium that a brand-new, private-entry, in-unit-laundry ADU commands. Cyrus Poudat builds California pro formas from comps within 1 mile of the property, not from automated models.
Los Angeles County
On the Westside (Mar Vista, Culver City, West LA), Cyrus Poudat sees 1-bedroom ADUs leasing at $2,800–$3,600 and 2-bedrooms at $3,800–$5,000. The Eastside and SFV typically run 20–30% lower for equivalent finishes.
San Diego
Coastal San Diego (North Park, Hillcrest, La Jolla) is one of California's strongest ADU rental markets. Cyrus Poudat sees 1-bedroom ADUs at $2,500–$3,400 and studios at $1,900–$2,400.
Bay Area
San Francisco, Berkeley and the Peninsula command California's top ADU rents. Cyrus Poudat regularly sees 1-bedroom ADUs lease at $3,200–$4,500 in these submarkets. South Bay (San Jose, Santa Clara) lands slightly below.
Central Valley and Inland
Sacramento, Fresno and the Inland Empire offer the best cost-to-rent ratios in California. Builds are 30–40% cheaper, and Cyrus Poudat sees 1-bedrooms leasing at $1,600–$2,300 — a yield that often beats coastal markets.
What drives premium rent
- Private exterior entrance (separate from main house)
- In-unit washer/dryer
- Dedicated parking or proximity to transit
- Outdoor space — even a small patio
- Real bedroom (not a sleeping nook)
- Quality finishes that photograph well
Realistic vacancy and expenses
Cyrus Poudat models 6–8% vacancy on California ADUs, plus 8–10% for repairs and maintenance. Property tax increase, insurance bump and utility share also need to come off gross rent before celebrating the cap rate.
Cash-on-cash reality
After honest expenses, Cyrus Poudat's California ADU clients typically see 4–7% cash-on-cash returns in coastal markets and 7–11% inland — solid, but not the 15% that prefab marketing promises.