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ADU Builders & Contractors in San Ysidro, CA

San Ysidro, CA homeowners looking to build an ADU have 34 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 San Ysidro starts here.

📊 ADU Quick Facts for San Ysidro

Avg. Cost/sqft

$193-$368

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 34 ADU Contractors in San Ysidro

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#1TRUJILLO JOSE LUIS

San Ysidro, CA

Trujillo Jose Luis — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (619) 410 3501
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#2RUIZ RAY CONSTRUCTION INC

San Ysidro, CA

Ruiz Ray Construction Inc — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 18+ years experience.

View Profile📞 (619) 646 1988
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#3ALL SOLAR TECH & ELECTRICAL

San Ysidro, CA

All Solar Tech & Electrical — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (818) 658 4894
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#4SOLIS ABEL CONSTRUCTION

San Ysidro, CA

Solis Abel Construction — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (619) 571 6875
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#5MRS SERVICES

San Ysidro, CA

Mrs Services — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (619) 305 4896
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#6ON POINT CABINETS INC

San Ysidro, CA

ON Point Cabinets Inc — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 26+ years experience.

View Profile📞 (619) 343 8266
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#7ELITE BUILDERS SAN DIEGO

San Ysidro, CA

Elite Builders San Diego — licensed ADU contractor in San Ysidro, CA. Detached ADU construction.

View Profile📞 (619) 646 3700
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#8ROBERT'S CONSTRUCTION CO

San Ysidro, CA

Robert'S Construction CO — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (619) 252 7934
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#9MENDEZ SALVADOR JUAN

San Ysidro, CA

Mendez Salvador Juan — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (619) 250 7781
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#10ROYAL MAINTENANCE & REMODELING

San Ysidro, CA

Royal Maintenance & Remodeling — licensed ADU contractor in San Ysidro, CA. Detached ADU construction.

View Profile📞 (619) 247 8433
View All 34 Contractors →

💰 How Much Does an ADU Cost in San Ysidro?

Garage Conversion

$66,500 - $126,500

Converting existing garage to living space

Detached ADU

$143,000 - $318,000

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 San Ysidro contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in San Ysidro

How much does it cost to build an ADU in San Ysidro?▼
The average cost to build an ADU in San Ysidro ranges from $143,000 to $318,000, or approximately $193 to $368 per square foot. Garage conversions typically cost $66,500 to $126,500.
How long does it take to get an ADU permit in San Ysidro?▼
The ADU permit process in San Ysidro 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 San Ysidro?▼
In San Ysidro, 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 San Ysidro?▼
San Ysidro 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 San Ysidro?▼
No parking is required for ADUs in San Ysidro 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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