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ADU Builders & Contractors in Warner Springs, CA

With 6 verified ADU contractors serving Warner Springs, 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 Warner Springs

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 6 ADU Contractors in Warner Springs

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#1MULLENIX JOSEPH ROBERT JR

Warner Springs, CA

Mullenix Joseph Robert JR — licensed ADU contractor in Warner Springs, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (310) 666 2987
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#2ALL TRIBES CONSTRUCTION

Warner Springs, CA

All Tribes Construction — licensed ADU contractor in Warner Springs, CA. Detached ADU construction.

View Profile📞 (951) 401 8059
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#3KNUTSON DEVELOPER

Warner Springs, CA

Knutson Developer — licensed ADU contractor in Warner Springs, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (714) 396 2385
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#4TUCK MICHAEL

Warner Springs, CA

Tuck Michael — licensed ADU contractor in Warner Springs, CA. Detached ADU construction. 36+ years experience.

View Profile📞 (626) 695 3604
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#5HUNTER CONSTRUCTION

Warner Springs, CA

Hunter Construction — licensed ADU contractor in Warner Springs, CA. Detached ADU construction. 13+ years experience.

View Profile📞 (951) 775 4400
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#6MORRIS DAVID WAYNE

Warner Springs, CA

Morris David Wayne — licensed ADU contractor in Warner Springs, CA. Detached ADU construction. 26+ years experience.

View Profile📞 (951) 906 3039

💰 How Much Does an ADU Cost in Warner Springs?

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

$1,097 - $5,097

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Warner Springs

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

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