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ADU Builders & Contractors in Balboa Island, CA

Balboa Island, CA homeowners looking to build an ADU have 5 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 Balboa Island starts here.

📊 ADU Quick Facts for Balboa Island

Avg. Cost/sqft

$196-$371

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 5 ADU Contractors in Balboa Island

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#1HALEY CONSTRUCTION

Balboa Island, CA

Haley Construction — licensed ADU contractor in Balboa Island, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (949) 292 1962
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#2G N S CONSTRUCTION

Balboa Island, CA

G N S Construction — licensed ADU contractor in Balboa Island, CA. Detached ADU construction. 40+ years experience.

View Profile📞 (949) 370 7200
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#3HALEY JOHN CONSTRUCTION INC

Balboa Island, CA

Haley John Construction Inc — licensed ADU contractor in Balboa Island, CA. Detached ADU construction. 13+ years experience.

View Profile📞 (949) 262 1962
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#4VITARELLI CONSTRUCTION INC

Balboa Island, CA

Vitarelli Construction Inc — licensed ADU contractor in Balboa Island, CA. Detached ADU construction. 40+ years experience.

View Profile📞 (949) 673 7611
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#5VAIL DEVELOPMENT COMPANY INC

Balboa Island, CA

Vail Development Company Inc — licensed ADU contractor in Balboa Island, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (714) 390 1485

💰 How Much Does an ADU Cost in Balboa Island?

Garage Conversion

$68,000 - $128,000

Converting existing garage to living space

Detached ADU

$146,000 - $321,000

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 Balboa Island contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Balboa Island

How much does it cost to build an ADU in Balboa Island?▼
The average cost to build an ADU in Balboa Island ranges from $146,000 to $321,000, or approximately $196 to $371 per square foot. Garage conversions typically cost $68,000 to $128,000.
How long does it take to get an ADU permit in Balboa Island?▼
The ADU permit process in Balboa Island 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 Balboa Island?▼
In Balboa Island, 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 Balboa Island?▼
Balboa Island 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 Balboa Island?▼
No parking is required for ADUs in Balboa Island 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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