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ADU Builders & Contractors in Monterey Park, CA

With 112 verified ADU contractors serving Monterey Park, 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 Monterey Park

Avg. Cost/sqft

$207-$382

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 112 ADU Contractors in Monterey Park

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#1T T L CONSTRUCTION INC

Monterey Park, CA

T T L Construction Inc — licensed ADU contractor in Monterey Park, CA. Detached ADU construction. 34+ years experience.

View Profile📞 (626) 780 1990
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#2CONSTRUCTION CREW INC

Monterey Park, CA

Construction Crew Inc — licensed ADU contractor in Monterey Park, CA. Detached ADU construction.

View Profile📞 (323) 610 3640
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#3HAOFENG SUN CONSTRUCTION

Monterey Park, CA

Haofeng Sun Construction — licensed ADU contractor in Monterey Park, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (626) 807 4468
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#4NEW CASTLE CONTRACTORS

Monterey Park, CA

New Castle Contractors — licensed ADU contractor in Monterey Park, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (323) 822 8261
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#5GYOTOKU CONSTRUCTION

Monterey Park, CA

Gyotoku Construction — licensed ADU contractor in Monterey Park, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (323) 726 7076
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#6CHEN EN YUEN

Monterey Park, CA

Chen EN Yuen — licensed ADU contractor in Monterey Park, CA. Detached ADU construction. 39+ years experience.

View Profile📞 (323) 263 6987
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#7GAMA BUILDING CORPORATION

Monterey Park, CA

Gama Building Corporation — licensed ADU contractor in Monterey Park, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (323) 553 0041
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#8LA ELECTRICAL & CONSTRUCTION INC

Monterey Park, CA

LA Electrical & Construction Inc — licensed ADU contractor in Monterey Park, CA. Detached ADU construction.

View Profile📞 (626) 678 3288
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#9TRAN THUONG

Monterey Park, CA

Tran Thuong — licensed ADU contractor in Monterey Park, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (626) 283 7223
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#10DAIKI CONSTRUCTION

Monterey Park, CA

Daiki Construction — licensed ADU contractor in Monterey Park, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (310) 387 8114
View All 112 Contractors →

💰 How Much Does an ADU Cost in Monterey Park?

Garage Conversion

$73,500 - $133,500

Converting existing garage to living space

Detached ADU

$157,000 - $332,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,111 - $5,111

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Monterey Park

How much does it cost to build an ADU in Monterey Park?▼
The average cost to build an ADU in Monterey Park ranges from $157,000 to $332,000, or approximately $207 to $382 per square foot. Garage conversions typically cost $73,500 to $133,500.
How long does it take to get an ADU permit in Monterey Park?▼
The ADU permit process in Monterey Park 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 Monterey Park?▼
In Monterey Park, 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 Monterey Park?▼
Monterey Park 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 Monterey Park?▼
No parking is required for ADUs in Monterey Park 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.

Also See ADU Contractors In

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