Los Angeles ADU Cost & ROI Calculator
ADU Cost & ROI Calculator
Fill out the Costs tab and click “Calculate” to see ROI projections.
| Projection | Year 10 | Year 20 | Year 30 |
|---|---|---|---|
| Property Value Increase (ADU) | – | – | – |
| Rent Collected (cumulative) | – | – | – |
| Cumulative Net Income | – | – | – |
| Future Monthly Rent (est.) | – | – | – |
| Monthly Expenses (est.) | – | – | – |
| Annual Tax Increase | – | – | – |
| Avg. Annual ROI (excl. prop value) | – | – | – |
Disclaimer: This calculator provides rough estimates for informational purposes only and does not constitute a binding quote or guarantee. Actual costs may vary significantly. Learn more..
Calculate Your Accessory Dwelling Unit Investment Potential
ADU Construction Costs in Los Angeles County
ADU construction costs in LA County typically range from $250-$400 per square foot depending on location, finish level, and complexity. Most homeowners invest between $150,000-$400,000 for a complete ADU project, including:
- Detached ADUs: $200,000-$350,000 (highest privacy and rental income)
- Attached ADUs: $150,000-$275,000 (cost-effective with shared utilities)
- Garage Conversions: $100,000-$180,000 (fastest ROI with existing structure)
- Junior ADUs (JADUs): $75,000-$150,000 (highest percentage returns)
Geographic cost variations across LA County reflect local market conditions:
- West LA/Santa Monica: $350-$400 per sq ft
- Pasadena/Glendale/Burbank: $300-$350 per sq ft
- San Fernando Valley: $250-$300 per sq ft
- East LA County: $250-$275 per sq ft
ADU Rental Income Potential
- West Side (Santa Monica, Venice, Culver City): $3,500-$4,500/month
- Central LA (Hollywood, Silver Lake, Los Feliz): $2,800-$3,800/month
- Burbank/Glendale/Pasadena: $2,500-$3,500/month
- San Fernando Valley: $2,200-$3,200/month
- East LA County: $2,000-$2,800/month
Return on Investment (ROI)
- Property Value Increase: ADUs add $200,000-$500,000 to home equity
- Rental Income: Consistent cash flow averaging $30,000-$45,000 annually
- Tax Benefits: Depreciation deductions and expense write-offs
- Market Performance: Homes with ADUs sell 26% faster than comparable properties
Why Use Our ADU Calculator?
Our comprehensive calculator factors in LA County-specific costs, permit fees, utility connections, and local market rental rates. Whether you’re considering a detached unit in Beverly Hills or a garage conversion in Glendale, get accurate cost estimates and ROI projections tailored to your specific location and project requirements.
Ready to explore your ADU investment potential? Use our calculator above to discover how an accessory dwelling unit can transform your property into a dual-income asset while addressing Los Angeles County’s critical housing needs.
Looking for a Contractor for your ADU?
Give us a call (818) 418-1730!
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“Legal Disclaimer: This calculator provides rough cost estimates based on historical data and industry averages and does not constitute a binding quote, proposal, or contractual offer. Actual construction costs may vary significantly based on numerous factors including but not limited to: site-specific conditions, soil composition, utility accessibility, local permit requirements, material price fluctuations, labor availability, design complexity, building code compliance requirements, environmental conditions, inspection fees, unforeseen site complications, contractor selection, timeline constraints, and current market conditions. No warranty, express or implied, is made regarding the accuracy, completeness, or reliability of these estimates. Users should obtain professional quotes from licensed contractors and consult with qualified professionals before making any construction or financial decisions. This tool is provided for informational purposes only and should not be relied upon as a substitute for professional advice.“