Affordable ADU Builders in Los Altos Hills
Find affordable granny flat contractors in Los Altos Hills. Compare prices, get quotes, and start your ADU project.
20
Contractors
$5.8M
Avg Home Value
Companies & Contractors serving close to Los Altos Hills
Top-rated professionals serving Los Altos Hills and neighboring areas in Santa Clara County
Room Addition & Adu Contractor San Jose
Los Altos Hills 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
Data not available
Average Home Value
Property valuation
$5.8M
Market Analysis
Los Altos Hills shows stable market conditions over the past 12 months. Home values have increased by 2.6%, making ADU investment a strategic choice for homeowners.
Similar Cities to Los Altos Hills
Cities with similar market characteristics for comparison
La Cresta - Altavista
Antelope
Stevenson Ranch
West Carson
Taft
California State ADU Standards
These are the guaranteed rights for homeowners in Los Altos Hills 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 Los Altos Hills planning department.
Building ADUs in Los Altos Hills
Looking for affordable ADU construction in Los Altos Hills? Our directory features 20 builders offering competitive pricing and quality workmanship.
With rental rates at /month, ADU investment in Los Altos Hills provides excellent returns for homeowners.
Frequently Asked Questions about ADUs in Los Altos Hills
Common questions from local homeowners
ADU construction costs in Los Altos Hills 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.