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ADU Builders & Contractors in Newport Beach, CA

Building an ADU in Newport Beach? You'll find 416 licensed contractors in the area, ready to help. Newport Beach's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Newport Beach

Avg. Cost/sqft

$208-$383

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 416 ADU Contractors in Newport Beach

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#1ALOHA PROPERTY DEVELOPMENT

Newport Beach, CA

Aloha Property Development — licensed ADU contractor in Newport Beach, CA. Detached ADU construction. 29+ years experience.

View Profile📞 (949) 842 1960
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#2BUILDLINER INC

Newport Beach, CA

Buildliner Inc — licensed ADU contractor in Newport Beach, CA. Detached ADU construction.

View Profile📞 (949) 743 4415
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#3EQUITY CONSTRUCTION CORP

Newport Beach, CA

Equity Construction Corp — licensed ADU contractor in Newport Beach, CA. Detached ADU construction.

View Profile📞 (310) 860 6010
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#4DURBOROW CONSTRUCTION

Newport Beach, CA

Durborow Construction — licensed ADU contractor in Newport Beach, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (949) 933 3221
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#5ROBLE CONSTRUCTION

Newport Beach, CA

Roble Construction — licensed ADU contractor in Newport Beach, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (949) 633 7617
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#6SOUDERS REX

Newport Beach, CA

Souders Rex — licensed ADU contractor in Newport Beach, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (714) 973 6233
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#7AMERICA PRO DESIGN INC

Newport Beach, CA

America Pro Design Inc — licensed ADU contractor in Newport Beach, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (714) 872 1958
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#8NEWPORT PROPERTY SERVICES INC

Newport Beach, CA

Newport Property Services Inc — licensed ADU contractor in Newport Beach, CA. Detached ADU construction.

View Profile📞 (949) 591 8778
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#9P C S - PIER CONTRACTING SERVICE

Newport Beach, CA

P C S - Pier Contracting Service — licensed ADU contractor in Newport Beach, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (949) 378 1241
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#10ECO GREEN 4 YOU INC

Newport Beach, CA

Eco Green 4 You Inc — licensed ADU contractor in Newport Beach, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (949) 771 1600
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💰 How Much Does an ADU Cost in Newport Beach?

Garage Conversion

$74,000 - $134,000

Converting existing garage to living space

Detached ADU

$158,000 - $333,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,101 - $5,101

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Newport Beach

How much does it cost to build an ADU in Newport Beach?▼
The average cost to build an ADU in Newport Beach ranges from $158,000 to $333,000, or approximately $208 to $383 per square foot. Garage conversions typically cost $74,000 to $134,000.
How long does it take to get an ADU permit in Newport Beach?▼
The ADU permit process in Newport Beach 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 Newport Beach?▼
In Newport Beach, 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 Newport Beach?▼
Newport Beach 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 Newport Beach?▼
No parking is required for ADUs in Newport Beach 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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