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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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#1QUIGLEY ROBERT JOSEPH

Laguna Hills, CA

Quigley Robert Joseph — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 38+ years experience.

View Profile📞 (949) 300 6339
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#2SCHUFF MORGAN CONSTRUCTION

Laguna Hills, CA

Schuff Morgan Construction — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction.

View Profile📞 (949) 520 2584
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#31ST SOLUTION CONSTRUCTION SERVICE

Laguna Hills, CA

1st Solution Construction Service — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (888) 988 8337
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#4BUILDING ENHANCEMENT NETWORK INC

Laguna Hills, CA

Building Enhancement Network Inc — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 20+ years experience.

View Profile📞 (949) 206 0099
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#5AMERICAL CONSTRUCTION MANAGEMENT GROUP CORP

Laguna Hills, CA

Americal Construction Management Group Corp — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (949) 297 4621
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#6BN DESIGN BUILD INC

Laguna Hills, CA

BN Design Build Inc — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (909) 257 7040
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#7ELGERSMA JOHN PETER

Laguna Hills, CA

Elgersma John Peter — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 13+ years experience.

View Profile📞 (949) 287 1615
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#8RAD PAYMAN

Laguna Hills, CA

Rad Payman — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (949) 228 4854
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#9WIEKAMP ROLAND E

Laguna Hills, CA

Wiekamp Roland E — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 48+ years experience.

View Profile📞 (949) 831 6709
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#10STONETOUCH

Laguna Hills, CA

Stonetouch — licensed ADU contractor in Laguna Hills, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (800) 333 9441
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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