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ADU Builders & Contractors in Barstow, CA

Building an ADU in Barstow? You'll find 21 licensed contractors in the area, ready to help. Barstow's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Barstow

Avg. Cost/sqft

$196-$371

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 21 ADU Contractors in Barstow

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#1LINEBAUGH CONSTRUCTION

Barstow, CA

Linebaugh Construction — licensed ADU contractor in Barstow, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (760) 267 0069
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#2ROSS CONSTRUCTION

Barstow, CA

Ross Construction — licensed ADU contractor in Barstow, CA. Detached ADU construction. 23+ years experience.

View Profile📞 (760) 447 2562
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#3DENNIS CONSTRUCTION SERVICE

Barstow, CA

Dennis Construction Service — licensed ADU contractor in Barstow, CA. Detached ADU construction. 20+ years experience.

View Profile📞 (760) 490 3053
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#4WORX CONSTRUCTION

Barstow, CA

Worx Construction — licensed ADU contractor in Barstow, CA. Detached ADU construction. 20+ years experience.

View Profile📞 (760) 617 5288
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#5MACH CONSTRUCTION INC

Barstow, CA

Mach Construction Inc — licensed ADU contractor in Barstow, CA. Detached ADU construction. 44+ years experience.

View Profile📞 (760) 252 5824
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#6N L M'S ELITE CONSTRUCTION COMPANY

Barstow, CA

N L M'S Elite Construction Company — licensed ADU contractor in Barstow, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (626) 205 8417
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#7BP GENERAL CONTRACTING

Barstow, CA

BP General Contracting — licensed ADU contractor in Barstow, CA. Detached ADU construction.

View Profile📞 (714) 882 9170
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#8HOFFNER CONST

Barstow, CA

Hoffner Const — licensed ADU contractor in Barstow, CA. Detached ADU construction. 48+ years experience.

View Profile📞 (442) 235 2744
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#9VASQUEZ CONSTRUCTION COMPANY

Barstow, CA

Vasquez Construction Company — licensed ADU contractor in Barstow, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (760) 590 0749
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#10HARRIS W P CONSTRUCTION

Barstow, CA

Harris W P Construction — licensed ADU contractor in Barstow, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (760) 964 2285
View All 21 Contractors →

💰 How Much Does an ADU Cost in Barstow?

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

$1,097 - $5,097

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Barstow

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