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ADU Builders & Contractors in Anaheim, CA

Anaheim's Orange County location means ADU construction costs average $300–$400 per square foot for new builds. SB 1211 expanded multi-family ADU limits to eight units per property starting in 2025. Proximity to Disneyland drives strong rental demand, though vacation rental restrictions apply in many residential zones. An ADU contractor in Anaheim who understands OC's setback and lot coverage rules ensures a smooth permitting process.

📊 ADU Quick Facts for Anaheim

Avg. Cost/sqft

$300-$550

Permit Timeline

4-12 weeks

Max Size

1200 sqft

Setbacks

4ft sides

View Anaheim Planning Department →

Top 784 ADU Contractors in Anaheim

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#1AMENDED SPACES INC

Anaheim, CA

Amended Spaces Inc — licensed ADU contractor in Anaheim, CA. Detached ADU construction.

View Profile📞 (714) 423 9719
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#2MLIFE BUILDER INC

Anaheim, CA

Mlife Builder Inc — licensed ADU contractor in Anaheim, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (714) 596 9994
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#33J COMPANY

Anaheim, CA

3J Company — licensed ADU contractor in Anaheim, CA. Detached ADU construction. 33+ years experience.

View Profile📞 (951) 588 7277
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#4HVAC INSTALL PROS

Anaheim, CA

Hvac Install Pros — licensed ADU contractor in Anaheim, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (840) 444 6684
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#5HOLLY WOOD DESIGN

Anaheim, CA

Holly Wood Design — licensed ADU contractor in Anaheim, CA. Detached ADU construction. 16+ years experience.

View Profile📞 (714) 612 8703
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#6NNX CONSTRUCTION INC

Anaheim, CA

Nnx Construction Inc — licensed ADU contractor in Anaheim, CA. Detached ADU construction.

View Profile📞 (714) 249 0509
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#7SORCIAS BUILDERS OF PACIFIC

Anaheim, CA

Sorcias Builders OF Pacific — licensed ADU contractor in Anaheim, CA. Detached ADU construction.

View Profile📞 (714) 597 4711
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#8KAL DEVELOPMENT

Anaheim, CA

Kal Development — licensed ADU contractor in Anaheim, CA. Detached ADU construction. 26+ years experience.

View Profile📞 (714) 580 0668
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#9DSM

Anaheim, CA

Dsm — licensed ADU contractor in Anaheim, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (213) 613 1302
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#10KYRO CONSTRUCTION INC

Anaheim, CA

Kyro Construction Inc — licensed ADU contractor in Anaheim, CA. Detached ADU construction.

View Profile📞 (310) 701 0968
View All 784 Contractors →

💰 How Much Does an ADU Cost in Anaheim?

Garage Conversion

$75,000 - $180,000

Converting existing garage to living space

Detached ADU

$150,000 - $380,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$5,000 - $15,000

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Anaheim

How much does it cost to build an ADU in Anaheim?▼
The average cost to build an ADU in Anaheim ranges from $150,000 to $380,000, or approximately $300 to $550 per square foot. Garage conversions typically cost $75,000 to $180,000.
How long does it take to get an ADU permit in Anaheim?▼
The ADU permit process in Anaheim typically takes 4 to 12 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 Anaheim?▼
In Anaheim, 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 Anaheim?▼
Anaheim 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 Anaheim?▼
No parking is required for ADUs in Anaheim 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)Irvine (760)Huntington Beach (667)

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