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ADU Builders & Contractors in Garden Grove, CA

Garden Grove, CA homeowners looking to build an ADU have 364 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 Garden Grove starts here.

📊 ADU Quick Facts for Garden Grove

Avg. Cost/sqft

$201-$376

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 364 ADU Contractors in Garden Grove

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#1T L CONSTRUCTION AND DESIGN GROUP INC

Garden Grove, CA

T L Construction And Design Group Inc — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (657) 666 1789
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#2HUGHES R B CONST

Garden Grove, CA

Hughes R B Const — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 34+ years experience.

View Profile📞 (714) 658 1953
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#3NGUYEN TRAN

Garden Grove, CA

Nguyen Tran — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (626) 628 6836
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#4J M SUPERIOR CONSTRUCTION

Garden Grove, CA

J M Superior Construction — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (714) 866 1669
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#5TITAN CONSTRUCTION & DESIGN

Garden Grove, CA

Titan Construction & Design — licensed ADU contractor in Garden Grove, CA. Detached ADU construction.

View Profile📞 (714) 561 3017
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#6K H DESIGN CONSTRUCTION AND PAINTING COMPANY

Garden Grove, CA

K H Design Construction And Painting Company — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (714) 537 8989
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#7RSF CONSTRUCTION INC

Garden Grove, CA

Rsf Construction Inc — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (747) 334 7715
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#8GINGY'S GENERAL CONSTRUCTION INC

Garden Grove, CA

Gingy'S General Construction Inc — licensed ADU contractor in Garden Grove, CA. Detached ADU construction.

View Profile📞 (714) 655 8488
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#9BRITO DRYWALL

Garden Grove, CA

Brito Drywall — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (714) 719 9469
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#10A & F ENTERPRISES INC

Garden Grove, CA

A & F Enterprises Inc — licensed ADU contractor in Garden Grove, CA. Detached ADU construction.

View Profile📞 (714) 313 8904
View All 364 Contractors →

💰 How Much Does an ADU Cost in Garden Grove?

Garage Conversion

$70,500 - $130,500

Converting existing garage to living space

Detached ADU

$151,000 - $326,000

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 Garden Grove contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Garden Grove

How much does it cost to build an ADU in Garden Grove?▼
The average cost to build an ADU in Garden Grove ranges from $151,000 to $326,000, or approximately $201 to $376 per square foot. Garage conversions typically cost $70,500 to $130,500.
How long does it take to get an ADU permit in Garden Grove?▼
The ADU permit process in Garden Grove 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 Garden Grove?▼
In Garden Grove, 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 Garden Grove?▼
Garden Grove 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 Garden Grove?▼
No parking is required for ADUs in Garden Grove 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

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