Your ADU Project
Tell us about your planned ADU
OC typically allows up to 1,200 sqft
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Enter Your ADU Details
Fill in the information on the left to see ADU costs, rental income potential, and ROI
Disclaimer
This calculator provides rough estimates based on average ADU costs in Orange County. Actual costs vary significantly based on site conditions, design complexity, finishes, and contractor pricing. Rental income estimates are based on current market rates and may vary by location. Check with your city for specific ADU regulations and fees. Consult with licensed contractors, architects, and tax professionals for accurate information. This is not financial or legal advice.