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ADU Builders & Contractors in City Of Commerce, CA

With 1 verified ADU contractors serving City Of Commerce, CA, homeowners have plenty of options for their accessory dwelling unit project. Local contractors ready to help specialize in everything from design-build to permit navigation.

📊 ADU Quick Facts for City Of Commerce

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 1 ADU Contractors in City Of Commerce

🏗️
#1A - CUSTOM CONSTRUCTION CO

City Of Commerce, CA

A - Custom Construction CO — licensed ADU contractor in City OF Commerce, CA. Detached ADU construction. 34+ years experience.

View Profile📞 (323) 722 6435

💰 How Much Does an ADU Cost in City Of Commerce?

Garage Conversion

$68,500 - $128,500

Converting existing garage to living space

Detached ADU

$147,000 - $322,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,105 - $5,105

Plan check, permits, utility connections

* Costs vary based on size, finishes, site conditions, and contractor. Get quotes from multiple City Of Commerce contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in City Of Commerce

How much does it cost to build an ADU in City Of Commerce?▼
The average cost to build an ADU in City Of Commerce ranges from $147,000 to $322,000, or approximately $197 to $372 per square foot. Garage conversions typically cost $68,500 to $128,500.
How long does it take to get an ADU permit in City Of Commerce?▼
The ADU permit process in City Of Commerce typically takes 60 to 120 weeks. California law requires cities to approve or deny ADU permits within 60 days of receiving a complete application.
What are the ADU size limits in City Of Commerce?▼
In City Of Commerce, detached ADUs can be up to 1200 square feet. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sqft, whichever is less. Junior ADUs (JADUs) are limited to 500 sqft and must be within the existing home.
What is the setback requirement for ADUs in City Of Commerce?▼
City Of Commerce requires 4-foot setbacks from side property lines and 4-foot setbacks from rear property lines for new ADU construction. Converted structures (like existing garages) may maintain their current setbacks.
Do I need to provide parking for my ADU in City Of Commerce?▼
No parking is required for ADUs in City Of Commerce if your property is within half a mile of public transit, in a historic district, part of an existing multi-family building, or if the ADU is a garage conversion. Otherwise, one space may be required.

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