ADU Builders & Contractors in Los Angeles, CA
Building an ADU in Los Angeles costs $250–$400 per square foot, with total projects running $150,000 to $400,000+. LADBS must process permits within 60 days, and pre-approved plans under AB 1332 cut review time further. California's solar panel mandate applies to all new ADUs. Fire sprinklers are required, adding $3,000–$5,000. With LA rents for ADUs averaging $1,800–$2,500/month, finding the right ADU contractor in Los Angeles is a smart long-term investment.
📊 ADU Quick Facts for Los Angeles
Avg. Cost/sqft
$350-$600
Permit Timeline
6-16 weeks
Max Size
1200 sqft
Setbacks
4ft sides
Top 3215 ADU Contractors in Los Angeles
Los Angeles, CA
Jay Song — licensed ADU contractor in Los Angeles, CA. Detached ADU construction. 7+ years experience.
Los Angeles, CA
Raygoza Construction — licensed ADU contractor in Los Angeles, CA. Detached ADU construction. 21+ years experience.
Los Angeles, CA
K Urban Builders Inc — licensed ADU contractor in Los Angeles, CA. Detached ADU construction. 21+ years experience.
Los Angeles, CA
Rudimental Company — licensed ADU contractor in Los Angeles, CA. Detached ADU construction.
Los Angeles, CA
Ferman Saul Construction — licensed ADU contractor in Los Angeles, CA. Detached ADU construction. 6+ years experience.
Los Angeles, CA
Spiegel Wellman Construction — licensed ADU contractor in Los Angeles, CA. Detached ADU construction.
Los Angeles, CA
Sussman Joel Building Repair And Remodeling — licensed ADU contractor in Los Angeles, CA. Detached ADU construction. 37+ years experience.
Los Angeles, CA
Shulmen Inc — licensed ADU contractor in Los Angeles, CA. Detached ADU construction.
Los Angeles, CA
Shlomi Harush General Contractor — licensed ADU contractor in Los Angeles, CA. Detached ADU construction.
Los Angeles, CA
Abraham Builders Group — licensed ADU contractor in Los Angeles, CA. Detached ADU construction.
💰 How Much Does an ADU Cost in Los Angeles?
Garage Conversion
$80,000 - $200,000
Converting existing garage to living space
Detached ADU
$150,000 - $400,000
New standalone unit (600-1,200 sqft)
Permit & Fees
$3,000 - $15,000
Plan check, permits, utility connections
* Costs vary based on size, finishes, site conditions, and contractor. Get quotes from multiple Los Angeles contractors to compare pricing.
❓ Frequently Asked Questions About ADUs in Los Angeles
How much does it cost to build an ADU in Los Angeles?▼
How long does it take to get an ADU permit in Los Angeles?▼
What are the ADU size limits in Los Angeles?▼
What is the setback requirement for ADUs in Los Angeles?▼
Do I need to provide parking for my ADU in Los Angeles?▼
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