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ADU Builders & Contractors in Blue Jay, CA

Blue Jay, CA homeowners looking to build an ADU have 39 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 Blue Jay starts here.

📊 ADU Quick Facts for Blue Jay

Avg. Cost/sqft

$196-$371

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 39 ADU Contractors in Blue Jay

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#1M E S CO

Blue Jay, CA

M E S CO — licensed ADU contractor in Blue Jay, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (760) 956 2222
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#2G C CONSTRUCTION

Blue Jay, CA

G C Construction — licensed ADU contractor in Blue Jay, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (909) 337 1524
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#3GARLAND GENERAL CONTRACTING CORP

Blue Jay, CA

Garland General Contracting Corp — licensed ADU contractor in Blue Jay, CA. Detached ADU construction.

View Profile📞 (909) 240 1439
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#4C B H CONSTRUCTION

Blue Jay, CA

C B H Construction — licensed ADU contractor in Blue Jay, CA. Detached ADU construction. 33+ years experience.

View Profile📞 (909) 214 8521
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#5NATURAL DESIGN CONSTRUCTION

Blue Jay, CA

Natural Design Construction — licensed ADU contractor in Blue Jay, CA. Detached ADU construction. 20+ years experience.

View Profile📞 (909) 615 1953
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#6IRIE SMART HOME DESIGN

Blue Jay, CA

Irie Smart Home Design — licensed ADU contractor in Blue Jay, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (818) 403 7516
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#7WALLACE CHRISTOPHER GRAHAM

Blue Jay, CA

Wallace Christopher Graham — licensed ADU contractor in Blue Jay, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (949) 307 4146
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#8ARTISAN GENERAL CONSTRUCTION

Blue Jay, CA

Artisan General Construction — licensed ADU contractor in Blue Jay, CA. Detached ADU construction.

View Profile📞 (909) 436 8482
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#9NEW MONUMENT THE

Blue Jay, CA

New Monument The — licensed ADU contractor in Blue Jay, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (909) 366 9774
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#10KRATT JON W GENERAL CONTRACTING INC

Blue Jay, CA

Kratt Jon W General Contracting Inc — licensed ADU contractor in Blue Jay, CA. Detached ADU construction. 45+ years experience.

View Profile📞 (909) 844 9708
View All 39 Contractors →

💰 How Much Does an ADU Cost in Blue Jay?

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 Blue Jay contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Blue Jay

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

Los Angeles (3215)San Diego (2582)San Francisco (2170)Sacramento (1551)Riverside (925)Fresno (904)Anaheim (784)Irvine (760)

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