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ADU Builders & Contractors in Crestline, CA

With 40 verified ADU contractors serving Crestline, 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 Crestline

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 40 ADU Contractors in Crestline

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#1JAGT T L

Crestline, CA

Jagt T L — licensed ADU contractor in Crestline, CA. Detached ADU construction. 38+ years experience.

View Profile📞 (909) 553 5531
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#2BOBENG STEVEN

Crestline, CA

Bobeng Steven — licensed ADU contractor in Crestline, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (909) 337 3372
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#3MICHAEL PAUL PLUMBING AND CONSTRUCTION

Crestline, CA

Michael Paul Plumbing And Construction — licensed ADU contractor in Crestline, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (909) 265 5719
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#4ALL QUALITY CONTRACTING

Crestline, CA

All Quality Contracting — licensed ADU contractor in Crestline, CA. Detached ADU construction.

View Profile📞 (757) 375 1878
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#5RIM CONSTRUCTION

Crestline, CA

Rim Construction — licensed ADU contractor in Crestline, CA. Detached ADU construction.

View Profile📞 (818) 455 2791
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#6LEADING EDGE CONSTRUCTION

Crestline, CA

Leading Edge Construction — licensed ADU contractor in Crestline, CA. Detached ADU construction. 13+ years experience.

View Profile📞 (909) 844 3506
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#7HOBSON CONSTRUCTION

Crestline, CA

Hobson Construction — licensed ADU contractor in Crestline, CA. Detached ADU construction.

View Profile📞 (530) 739 9646
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#8IN THE WOODS CONSTRUCTION

Crestline, CA

IN The Woods Construction — licensed ADU contractor in Crestline, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (909) 991 2804
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#9COBB JARED CONSTRUCTION

Crestline, CA

Cobb Jared Construction — licensed ADU contractor in Crestline, CA. Detached ADU construction.

View Profile📞 (909) 496 9118
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#10IEDISOR CONSTRUCTION CORP

Crestline, CA

Iedisor Construction Corp — licensed ADU contractor in Crestline, CA. Detached ADU construction.

View Profile📞 (954) 881 8151
View All 40 Contractors →

💰 How Much Does an ADU Cost in Crestline?

Garage Conversion

$68,500 - $128,500

Converting existing garage to living space

Detached ADU

$147,000 - $322,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,114 - $5,114

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Crestline

How much does it cost to build an ADU in Crestline?▼
The average cost to build an ADU in Crestline ranges from $147,000 to $322,000, or approximately $197 to $372 per square foot. Garage conversions typically cost $68,500 to $128,500.
How long does it take to get an ADU permit in Crestline?▼
The ADU permit process in Crestline 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 Crestline?▼
In Crestline, 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 Crestline?▼
Crestline 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 Crestline?▼
No parking is required for ADUs in Crestline 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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