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ADU Builders & Contractors in Fair Oaks, CA

Fair Oaks, CA homeowners looking to build an ADU have 212 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 Fair Oaks starts here.

📊 ADU Quick Facts for Fair Oaks

Avg. Cost/sqft

$200-$375

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 212 ADU Contractors in Fair Oaks

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#1CALAFIA CONSTRUCTION COMPANY

Fair Oaks, CA

Calafia Construction Company — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (916) 804 6531
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#2WILLIAMS HAROLD QUALITY CONSTRUCTION

Fair Oaks, CA

Williams Harold Quality Construction — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 36+ years experience.

View Profile📞 (916) 622 2629
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#3KEVIN CAVANAGH

Fair Oaks, CA

Kevin Cavanagh — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 31+ years experience.

View Profile📞 (916) 997 1200
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#4J CONSTRUCTION GROUP

Fair Oaks, CA

J Construction Group — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (510) 586 1581
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#5CALIFORNIA CONCEPTS CUSTOM CONSTRUCTION

Fair Oaks, CA

California Concepts Custom Construction — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 39+ years experience.

View Profile📞 (916) 705 6999
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#6OLSEN SCHUMACHER HOMES INC

Fair Oaks, CA

Olsen Schumacher Homes Inc — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (916) 416 7048
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#7BEAM CONSTRUCTION

Fair Oaks, CA

Beam Construction — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (916) 207 7587
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#8AVOZ ELECTRIC LLC

Fair Oaks, CA

Avoz Electric Llc — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction.

View Profile📞 (916) 837 0937
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#9SMYCO

Fair Oaks, CA

Smyco — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 45+ years experience.

View Profile📞 (916) 769 4750
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#10CAPITAL BUILDING CONSTRUCTION

Fair Oaks, CA

Capital Building Construction — licensed ADU contractor in Fair Oaks, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (916) 609 2070
View All 212 Contractors →

💰 How Much Does an ADU Cost in Fair Oaks?

Garage Conversion

$70,000 - $130,000

Converting existing garage to living space

Detached ADU

$150,000 - $325,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,097 - $5,097

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Fair Oaks

How much does it cost to build an ADU in Fair Oaks?▼
The average cost to build an ADU in Fair Oaks ranges from $150,000 to $325,000, or approximately $200 to $375 per square foot. Garage conversions typically cost $70,000 to $130,000.
How long does it take to get an ADU permit in Fair Oaks?▼
The ADU permit process in Fair Oaks 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 Fair Oaks?▼
In Fair Oaks, 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 Fair Oaks?▼
Fair Oaks 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 Fair Oaks?▼
No parking is required for ADUs in Fair Oaks 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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