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ADU Builders & Contractors in Coronado, CA

With 55 verified ADU contractors serving Coronado, CA, homeowners have plenty of options for their accessory dwelling unit project. Local contractors ready to help specialize in everything from design-build to permit navigation.

📊 ADU Quick Facts for Coronado

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 55 ADU Contractors in Coronado

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#1CROSHIER CONSTRUCTION CO

Coronado, CA

Croshier Construction CO — licensed ADU contractor in Coronado, CA. Detached ADU construction. 38+ years experience.

View Profile📞 (619) 507 2641
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#2M D N BUILDERS

Coronado, CA

M D N Builders — licensed ADU contractor in Coronado, CA. Detached ADU construction. 26+ years experience.

View Profile📞 (619) 606 3875
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#3EMERALD CITY HOMES INC

Coronado, CA

Emerald City Homes Inc — licensed ADU contractor in Coronado, CA. Detached ADU construction.

View Profile📞 (619) 944 9101
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#4BALLARD DEVELOPMENT

Coronado, CA

Ballard Development — licensed ADU contractor in Coronado, CA. Detached ADU construction.

View Profile📞 (619) 370 6133
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#5SAGA CONSTRUCTION

Coronado, CA

Saga Construction — licensed ADU contractor in Coronado, CA. Detached ADU construction.

View Profile📞 (213) 321 4844
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#6NAVET GLOBAL

Coronado, CA

Navet Global — licensed ADU contractor in Coronado, CA. Detached ADU construction. 42+ years experience.

View Profile📞 (619) 985 8835
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#7JONES SETH M

Coronado, CA

Jones Seth M — licensed ADU contractor in Coronado, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (619) 519 6017
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#8PERKINS JOE T CONSTRUCTION

Coronado, CA

Perkins Joe T Construction — licensed ADU contractor in Coronado, CA. Detached ADU construction. 46+ years experience.

View Profile📞 (619) 618 9026
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#9STANGL MARK CONSTRUCTION INC

Coronado, CA

Stangl Mark Construction Inc — licensed ADU contractor in Coronado, CA. Detached ADU construction. 25+ years experience.

View Profile📞 (619) 250 2706
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#10CERTIFIED PROPERTY MAINTENANCE

Coronado, CA

Certified Property Maintenance — licensed ADU contractor in Coronado, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (619) 435 7780
View All 55 Contractors →

💰 How Much Does an ADU Cost in Coronado?

Garage Conversion

$68,500 - $128,500

Converting existing garage to living space

Detached ADU

$147,000 - $322,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,111 - $5,111

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Coronado

How much does it cost to build an ADU in Coronado?▼
The average cost to build an ADU in Coronado ranges from $147,000 to $322,000, or approximately $197 to $372 per square foot. Garage conversions typically cost $68,500 to $128,500.
How long does it take to get an ADU permit in Coronado?▼
The ADU permit process in Coronado 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 Coronado?▼
In Coronado, 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 Coronado?▼
Coronado 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 Coronado?▼
No parking is required for ADUs in Coronado 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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