Affordable ADU Builders in Downey
Find affordable granny flat contractors in Downey. Average rent: $2,569/month. Compare prices, get quotes, and start your ADU project.
3
Contractors
$3K
Average Rent /mo
$865K
Avg Home Value
Featured Builders
ADU builders serving Downey
ADU Company Downey-CA
Top Investment Neighborhoods
Highest rental yields in Downey by ZIP Code
ZIP 90240
Highest Return
ZIP 90241
ZIP 90242
Top ZIP Codes by Rent in Downey
Neighborhoods with the highest average rental rates
90240
90241
90242
Downey Real Estate Market
Easy to understand market data to help you make informed ADU investment decisions.
Based on aggregated market data from multiple housing platforms and public records
Average Rent
Monthly rental price
$3K
Average Home Value
Property valuation
$865K
Market Analysis
Downey shows strong rent growth of 1.7% over the past 12 months. Home values have changed by 0.3%, making ADU investment a strategic choice for homeowners.
Projected Property Value
Current market analysis for Downey indicates a 0.5% increase in property values over the next 12 months.
Similar Cities to Downey
Cities with similar market characteristics for comparison
California State ADU Standards
These are the guaranteed rights for homeowners in Downey under California State Law. Local agencies cannot enforce stricter standards than these baselines.
State law prohibits local agencies from setting limits below 850 sq. ft. (1 bd) or 1,000 sq. ft. (2 bd). Generally, up to 1,200 sq. ft. is allowed subject to setbacks.
Local agencies cannot require rear or side setbacks of more than 4 feet.
Minimum allowed height limit. Some areas allow up to 18-25ft depending on proximity to transit or main house.
No parking required if ADU is within 1/2 mile of public transit, historic district, or part of existing home footprint.
State law currently prohibits owner-occupancy requirements for ADUs permitted between 2020 and 2025.
Development impact fees are waived for ADUs smaller than 750 sq. ft. For larger units, fees must be proportional.
* While these state laws provide a baseline, always verify specific local overlay zones or fire safety regulations with the Downey planning department.
Building ADUs in Downey
Looking for affordable ADU construction in Downey? Our directory features 3 builders offering competitive pricing and quality workmanship.
With rental rates at $2,569/month and growth of +1.7%% over the past year, ADU investment in Downey provides excellent returns for homeowners.
Frequently Asked Questions about ADUs in Downey
Common questions from local homeowners
ADU construction costs in Downey typically range from $250-$400 per square foot for standard construction. For a 500 sq ft unit, this translates to $125,000-$200,000. Garage conversions are usually more affordable, often costing 30-50% less than new detached construction.
ROI Intelligence
Investment insights for Downey
Market Rent
$3K/mo
Est. Annual Income
$29K
Est. ROI
12.9%
Monthly Cash
$2K
Value Growth (12m)
-0.3%
*Estimates based on average ADU size (800 sqft) and construction costs ($200K). Actual results may vary. Use calculator for personalized analysis.