ADU Rental Income & Payback Calculator
Enter your zip code, ADU size, and build cost to estimate monthly rental income and payback period for your Southern California ADU.
How ADU Rental Income Works
ADU rental income depends on your zip code, unit size, and number of bedrooms. In Southern California, most ADUs rent for $1,400–$3,500/month. The payback period — the time it takes for rental income to cover your build cost — typically ranges from 4 to 8 years.
- Garage Conversion (1 Bed/1 Bath): $1,500–$2,200/month
- New Construction ADU (2 Bed/1 Bath): $2,000–$3,000/month
- New Construction ADU (2 Bed/2 Bath): $2,400–$3,500/month
- Junior ADU (Studio/1 Bed): $1,200–$1,800/month
These are estimates based on current Southern California rental market data. Actual rents vary by specific location, condition, and amenities. Not a guarantee.