ADU Builders & Contractors in Temecula, CA

Temecula's updated ADU ordinance aligns with state standards and the city's larger lot sizes in many neighborhoods make it particularly well-suited for detached ADU construction in the Inland Empire.

📊 ADU Quick Facts for Temecula

Avg. Cost/sqft

$225-$425

Permit Timeline

4-10 weeks

Max Size

1200 sqft

Setbacks

4ft sides

View Temecula Planning Department →

Top 471 ADU Contractors in Temecula

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Temecula, CA

Palmer Stephen — licensed ADU contractor in Temecula, CA. Detached ADU construction.

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Temecula, CA

Hammond Builders — licensed ADU contractor in Temecula, CA. Detached ADU construction. 35+ years experience.

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Temecula, CA

R T N Development — licensed ADU contractor in Temecula, CA. Detached ADU construction. 50+ years experience.

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Temecula, CA

Reed Family Enterprises Inc — licensed ADU contractor in Temecula, CA. Detached ADU construction. 31+ years experience.

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Temecula, CA

American General Contractor — licensed ADU contractor in Temecula, CA. Detached ADU construction. 19+ years experience.

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Temecula, CA

S T K Construction And Development Inc — licensed ADU contractor in Temecula, CA. Detached ADU construction. 26+ years experience.

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Temecula, CA

Maize Donald R Construction — licensed ADU contractor in Temecula, CA. Detached ADU construction. 25+ years experience.

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Temecula, CA

Fast And Flawless — licensed ADU contractor in Temecula, CA. Detached ADU construction. 31+ years experience.

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Temecula, CA

Purodyne Corporation — licensed ADU contractor in Temecula, CA. Detached ADU construction. 13+ years experience.

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Temecula, CA

Christopher Development — licensed ADU contractor in Temecula, CA. Detached ADU construction. 14+ years experience.

💰 How Much Does an ADU Cost in Temecula?

Garage Conversion

$55,000 - $150,000

Converting existing garage to living space

Detached ADU

$110,000 - $300,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$3,000 - $10,000

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Temecula

How much does it cost to build an ADU in Temecula?
The average cost to build an ADU in Temecula ranges from $110,000 to $300,000, or approximately $225 to $425 per square foot. Garage conversions typically cost $55,000 to $150,000.
How long does it take to get an ADU permit in Temecula?
The ADU permit process in Temecula typically takes 4 to 10 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 Temecula?
In Temecula, 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 Temecula?
Temecula 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 Temecula?
No parking is required for ADUs in Temecula 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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