ADU Contractors
Dashboard

ADU Builders & Contractors in Laguna Niguel, CA

Laguna Niguel, CA homeowners looking to build an ADU have 203 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 Niguel starts here.

📊 ADU Quick Facts for Laguna Niguel

Avg. Cost/sqft

$206-$381

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 203 ADU Contractors in Laguna Niguel

🏗️
#1BELLAGIOUSA CONSTRUCTION INC

Laguna Niguel, CA

Bellagiousa Construction Inc — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (949) 395 6227
🏗️
#2HARWER JOHN J

Laguna Niguel, CA

Harwer John J — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (949) 310 4442
🏗️
#3DAY NICOLAS

Laguna Niguel, CA

Day Nicolas — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 13+ years experience.

View Profile📞 (760) 580 8879
🏗️
#4VOSS CONSTRUCTION

Laguna Niguel, CA

Voss Construction — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction.

View Profile📞 (925) 400 3174
🏗️
#5CT CONSTRUCTION SERVICES INC

Laguna Niguel, CA

CT Construction Services Inc — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 7+ years experience.

View Profile📞 (949) 395 3693
🏗️
#6INLAND FLOORING CONTRACTORS INC

Laguna Niguel, CA

Inland Flooring Contractors Inc — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 28+ years experience.

View Profile📞 (951) 634 9150
🏗️
#7CUSTOM FRAMING SERVICES INC

Laguna Niguel, CA

Custom Framing Services Inc — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 16+ years experience.

View Profile📞 (714) 272 4173
🏗️
#8VARKEL BEN CONSTRUCTION

Laguna Niguel, CA

Varkel Ben Construction — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 28+ years experience.

View Profile📞 (949) 279 3159
🏗️
#9COASTAL WOODWORKS INC

Laguna Niguel, CA

Coastal Woodworks Inc — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (949) 295 0228
🏗️
#10GAUDINO GROUP INC

Laguna Niguel, CA

Gaudino Group Inc — licensed ADU contractor in Laguna Niguel, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (949) 232 5949
View All 203 Contractors →

💰 How Much Does an ADU Cost in Laguna Niguel?

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 Niguel contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Laguna Niguel

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

Ready to Build Your ADU in Laguna Niguel?

Get free quotes from top-rated local contractors

Find Contractors Now
← View all contractors in California