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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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#1NAY REMODELING & CONSTRUCTION

Garden Grove, CA

Nay Remodeling & Construction — licensed ADU contractor in Garden Grove, CA. Detached ADU construction.

View Profile📞 (714) 944 7893
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#2HOMESTONE BUILDERS INC

Garden Grove, CA

Homestone Builders Inc — licensed ADU contractor in Garden Grove, CA. Detached ADU construction.

View Profile📞 (949) 740 4025
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#3JS BETTER BUILDERS CO

Garden Grove, CA

JS Better Builders CO — licensed ADU contractor in Garden Grove, CA. Detached ADU construction.

View Profile📞 (714) 653 2309
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#4PALENGA CONSTRUCTION CORPORATION

Garden Grove, CA

Palenga Construction Corporation — licensed ADU contractor in Garden Grove, CA. Detached ADU construction.

View Profile📞 (949) 302 9573
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#5ALEMAN CONSTRUCTION

Garden Grove, CA

Aleman Construction — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 20+ years experience.

View Profile📞 (714) 539 2334
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#6MENDIOLA CONSTRUCTION

Garden Grove, CA

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

View Profile📞 (714) 472 1683
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#7VIRGA PETER

Garden Grove, CA

Virga Peter — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (714) 350 3256
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#8DV CONSTRUCTION INC

Garden Grove, CA

DV Construction Inc — licensed ADU contractor in Garden Grove, CA. Detached ADU construction.

View Profile📞 (714) 467 5393
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#9DOAN CONSTRUCTION SERVICES

Garden Grove, CA

Doan Construction Services — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (714) 837 3027
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#10AMERICAN RENAVATU BUILDERS CORP

Garden Grove, CA

American Renavatu Builders Corp — licensed ADU contractor in Garden Grove, CA. Detached ADU construction. 7+ years experience.

View Profile📞 (714) 486 9818
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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