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ADU Builders & Contractors in Bloomington, CA

Bloomington, CA homeowners looking to build an ADU have 38 licensed contractors to choose from, ready to help. Whether you're planning a garage conversion, detached ADU, or junior ADU, finding the right contractor in Bloomington starts here.

📊 ADU Quick Facts for Bloomington

Avg. Cost/sqft

$196-$371

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 38 ADU Contractors in Bloomington

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#1G P GENERAL CONTRACTOR INC

Bloomington, CA

G P General Contractor Inc — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 23+ years experience.

View Profile📞 (951) 907 1049
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#2ALTAVISTA WALL SYSTEMS INC

Bloomington, CA

Altavista Wall Systems Inc — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (909) 471 9620
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#3ORTEGA CONSTRUCTION

Bloomington, CA

Ortega Construction — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 24+ years experience.

View Profile📞 (909) 873 1453
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#4LP GAS SYSTEMS INC

Bloomington, CA

LP Gas Systems Inc — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 51+ years experience.

View Profile📞 (909) 875 8758
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#5TAHOME AND INTERIOR

Bloomington, CA

Tahome And Interior — licensed ADU contractor in Bloomington, CA. Detached ADU construction.

View Profile📞 (775) 842 5827
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#6EMAAR ENTERPRISE

Bloomington, CA

Emaar Enterprise — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (909) 519 1355
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#7A - N - C COLD STORAGE CONSTRUCTION INC

Bloomington, CA

A - N - C Cold Storage Construction Inc — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (951) 634 3223
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#8GAL - ESPI CONSTRUCTION INC

Bloomington, CA

Gal - Espi Construction Inc — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (909) 762 6152
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#9BUBELLO RODRIGO

Bloomington, CA

Bubello Rodrigo — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (909) 549 0604
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#10PEREZ JORGE

Bloomington, CA

Perez Jorge — licensed ADU contractor in Bloomington, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (626) 590 8195
View All 38 Contractors →

💰 How Much Does an ADU Cost in Bloomington?

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

$1,108 - $5,108

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Bloomington

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