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ADU Builders & Contractors in Laguna Hills, CA

Laguna Hills, CA homeowners looking to build an ADU have 154 licensed contractors to choose from, ready to help. Whether you're planning a garage conversion, detached ADU, or junior ADU, finding the right contractor in Laguna Hills starts here.

📊 ADU Quick Facts for Laguna Hills

Avg. Cost/sqft

$206-$381

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 154 ADU Contractors in Laguna Hills

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#1RENEWAL BY ANDERSEN GREATER LOS ANGELES

Laguna Hills, CA

Renewal BY Andersen Greater Los Angeles — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (714) 259 5120
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#2CW BUILDING

Laguna Hills, CA

CW Building — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (949) 307 6278
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#3SAPPO ROBERT

Laguna Hills, CA

Sappo Robert — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (949) 667 9000
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#4PEGASUS REMODELING INC

Laguna Hills, CA

Pegasus Remodeling Inc — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (949) 273 6044
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#5JAMEY CLARK INC

Laguna Hills, CA

Jamey Clark Inc — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 20+ years experience.

View Profile📞 (949) 588 9692
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#6ELLIOTT JOHN KARL

Laguna Hills, CA

Elliott John Karl — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 38+ years experience.

View Profile📞 (714) 381 4683
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#7R2B ENGINEERING

Laguna Hills, CA

R2b Engineering — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (949) 466 5543
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#8DOLPHIN GENERAL CONSTRUCTION INC

Laguna Hills, CA

Dolphin General Construction Inc — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (714) 235 7320
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#9HOMELIFE CONCEPTS

Laguna Hills, CA

Homelife Concepts — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (949) 540 9032
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#101ST STEP RESTORATION INC

Laguna Hills, CA

1st Step Restoration Inc — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction.

View Profile📞 (949) 600 8331
View All 154 Contractors →

💰 How Much Does an ADU Cost in Laguna Hills?

Garage Conversion

$73,000 - $133,000

Converting existing garage to living space

Detached ADU

$156,000 - $331,000

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 Laguna Hills contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Laguna Hills

How much does it cost to build an ADU in Laguna Hills?▼
The average cost to build an ADU in Laguna Hills ranges from $156,000 to $331,000, or approximately $206 to $381 per square foot. Garage conversions typically cost $73,000 to $133,000.
How long does it take to get an ADU permit in Laguna Hills?▼
The ADU permit process in Laguna Hills 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 Laguna Hills?▼
In Laguna Hills, 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 Laguna Hills?▼
Laguna Hills 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 Laguna Hills?▼
No parking is required for ADUs in Laguna Hills 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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