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ADU Builders & Contractors in Bonita, CA

With 79 verified ADU contractors serving Bonita, 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 Bonita

Avg. Cost/sqft

$196-$371

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 79 ADU Contractors in Bonita

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#1ARRELOA AKBARH

Bonita, CA

Arreloa Akbarh — licensed ADU contractor in Bonita, CA. Detached ADU construction.

View Profile📞 (619) 507 9081
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#2GOHLKE GENERAL CONTRACTING

Bonita, CA

Gohlke General Contracting — licensed ADU contractor in Bonita, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (619) 206 3040
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#3COASTAL GENERAL CONTRACTING INC

Bonita, CA

Coastal General Contracting Inc — licensed ADU contractor in Bonita, CA. Detached ADU construction.

View Profile📞 (619) 779 2865
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#4MAXIMUS DOORS

Bonita, CA

Maximus Doors — licensed ADU contractor in Bonita, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (619) 840 7216
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#5PREMIER ROOTER & PLUMBING INC

Bonita, CA

Premier Rooter & Plumbing Inc — licensed ADU contractor in Bonita, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (619) 710 6228
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#6ARTFULL INSTALL PREFABRICATED EQUIPMENT

Bonita, CA

Artfull Install Prefabricated Equipment — licensed ADU contractor in Bonita, CA. Detached ADU construction.

View Profile📞 (619) 931 3916
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#7CHALFA COMPANY THE

Bonita, CA

Chalfa Company The — licensed ADU contractor in Bonita, CA. Detached ADU construction.

View Profile📞 (619) 559 7766
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#8ADVANCE CONSTRUCTION COMPANY

Bonita, CA

Advance Construction Company — licensed ADU contractor in Bonita, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (619) 995 6741
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#9DESIGNERS CONSTRUCTION DC INC

Bonita, CA

Designers Construction DC Inc — licensed ADU contractor in Bonita, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (619) 805 9633
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#10A B J CONTRACTORS INC

Bonita, CA

A B J Contractors Inc — licensed ADU contractor in Bonita, CA. Detached ADU construction. 16+ years experience.

View Profile📞 (858) 333 6765
View All 79 Contractors →

💰 How Much Does an ADU Cost in Bonita?

Garage Conversion

$68,000 - $128,000

Converting existing garage to living space

Detached ADU

$146,000 - $321,000

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 Bonita contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Bonita

How much does it cost to build an ADU in Bonita?▼
The average cost to build an ADU in Bonita ranges from $146,000 to $321,000, or approximately $196 to $371 per square foot. Garage conversions typically cost $68,000 to $128,000.
How long does it take to get an ADU permit in Bonita?▼
The ADU permit process in Bonita 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 Bonita?▼
In Bonita, 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 Bonita?▼
Bonita 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 Bonita?▼
No parking is required for ADUs in Bonita 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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