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ADU Builders & Contractors in Montebello, CA

With 79 verified ADU contractors serving Montebello, 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 Montebello

Avg. Cost/sqft

$207-$382

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 79 ADU Contractors in Montebello

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#1MR ROOTER PLUMBING

Montebello, CA

MR Rooter Plumbing — licensed ADU contractor in Montebello, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (323) 721 1243
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#2CALRQ CONSTRUCTION INC

Montebello, CA

Calrq Construction Inc — licensed ADU contractor in Montebello, CA. Detached ADU construction.

View Profile📞 (626) 456 4120
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#3ANJO CONSTRUCTION & BUILDING CONCEPTS LLC

Montebello, CA

Anjo Construction & Building Concepts Llc — licensed ADU contractor in Montebello, CA. Detached ADU construction.

View Profile📞 (909) 551 6554
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#4ANDY'S CONSTRUCTION SERVICES

Montebello, CA

Andy'S Construction Services — licensed ADU contractor in Montebello, CA. Detached ADU construction. 16+ years experience.

View Profile📞 (323) 237 0238
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#5J & S ELECTRICAL SERVICES INC

Montebello, CA

J & S Electrical Services Inc — licensed ADU contractor in Montebello, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (213) 700 6335
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#6CALI DESIGN AND CONSTRUCTION

Montebello, CA

Cali Design And Construction — licensed ADU contractor in Montebello, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (323) 229 4110
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#7SANTOS MARINEL

Montebello, CA

Santos Marinel — licensed ADU contractor in Montebello, CA. Detached ADU construction. 33+ years experience.

View Profile📞 (310) 749 5739
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#8KUCUKKOSEOGLU HAYRABET

Montebello, CA

Kucukkoseoglu Hayrabet — licensed ADU contractor in Montebello, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (323) 728 6484
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#9VICO DEVELOPMENT INC

Montebello, CA

Vico Development Inc — licensed ADU contractor in Montebello, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (626) 627 6265
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#10WU MICHAEL CONSTRUCTION

Montebello, CA

WU Michael Construction — licensed ADU contractor in Montebello, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (909) 497 0418
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💰 How Much Does an ADU Cost in Montebello?

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 Montebello contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Montebello

How much does it cost to build an ADU in Montebello?▼
The average cost to build an ADU in Montebello 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 Montebello?▼
The ADU permit process in Montebello 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 Montebello?▼
In Montebello, 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 Montebello?▼
Montebello 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 Montebello?▼
No parking is required for ADUs in Montebello 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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