What is the maximum ADU size allowed in San Ysidro?

Detached ADUs in San Ysidro can be up to 1200 square feet.

ADU Builders & Contractors in San Ysidro, CA

Q: How much does it cost to build an ADU in San Ysidro?

The average cost ranges from $143,000 to $318,000, or $193-368 per square foot.

Q: How long does it take to get an ADU permit in San Ysidro?

The permit process typically takes 60 to 120 weeks in San Ysidro.

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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#1MALFAVON CORPORATION

San Ysidro, CA

Malfavon Corporation — licensed ADU contractor in San Ysidro, CA. Detached ADU construction.

View Profile 📞 (619) 806 0214

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#2HIGH QUALITY DRYWALL

San Ysidro, CA

High Quality Drywall — licensed ADU contractor in San Ysidro, CA. Detached ADU construction.

View Profile 📞 (619) 622 8394

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#3MGA RESTORATION INC

San Ysidro, CA

Mga Restoration Inc — licensed ADU contractor in San Ysidro, CA. Detached ADU construction.

View Profile 📞 (619) 552 7788

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#4M-STAR CONSTRUCTION INC

San Ysidro, CA

M-Star Construction Inc — licensed ADU contractor in San Ysidro, CA. Detached ADU construction.

View Profile 📞 (619) 227 4890

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#5TOPETE FLORENTINO

San Ysidro, CA

Topete Florentino — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 16+ years experience.

View Profile 📞 (619) 587 1496

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#6GUTIERREZ HECTOR F

San Ysidro, CA

Gutierrez Hector F — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 33+ years experience.

View Profile 📞 (619) 572 4357

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#7CONTOUR DESIGN BUILD INC

San Ysidro, CA

Contour Design Build Inc — licensed ADU contractor in San Ysidro, CA. Detached ADU construction.

View Profile 📞 (619) 454 1610

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#8ROKA CABINETS

San Ysidro, CA

Roka Cabinets — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 15+ years experience.

View Profile 📞 (619) 726 2084

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#9CORDOVA CONSTRUCTION

San Ysidro, CA

Cordova Construction — licensed ADU contractor in San Ysidro, CA. Detached ADU construction. 46+ years experience.

View Profile 📞 (619) 777 3946

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#10SODE GENERAL CONSTRUCTION

San Ysidro, CA

Sode General Construction — licensed ADU contractor in San Ysidro, CA. Detached ADU construction.

View Profile 📞 (619) 565 6814

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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