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ADU Builders & Contractors in San Jacinto, CA

Building an ADU in San Jacinto? You'll find 60 licensed contractors in the area, ready to help. San Jacinto's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for San Jacinto

Avg. Cost/sqft

$193-$368

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 60 ADU Contractors in San Jacinto

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#1AVINA'S BUILDER INC

San Jacinto, CA

Avina'S Builder Inc — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (909) 809 7282
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#2ALL PURPOSE CONSTRUCTION SERVICES INC

San Jacinto, CA

All Purpose Construction Services Inc — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (951) 390 5003
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#3F H CONSTRUCTION

San Jacinto, CA

F H Construction — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (951) 229 5708
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#4JUST DOORS

San Jacinto, CA

Just Doors — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (951) 201 3988
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#5POWELL CHARLES ANDREW

San Jacinto, CA

Powell Charles Andrew — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 22+ years experience.

View Profile📞 (951) 487 1726
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#6COOPER ROBERT A

San Jacinto, CA

Cooper Robert A — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 46+ years experience.

View Profile📞 (951) 492 9306
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#7QUICKSET CONSTRUCTION

San Jacinto, CA

Quickset Construction — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 25+ years experience.

View Profile📞 (951) 543 3175
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#8A D CONSTRUCTION AND MAINTENANCE

San Jacinto, CA

A D Construction And Maintenance — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (951) 665 9949
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#9KEN CAMPBELL

San Jacinto, CA

Ken Campbell — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (951) 654 5434
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#10SUPERIOR FLOOD AND FIRE RESTORATION INC

San Jacinto, CA

Superior Flood And Fire Restoration Inc — licensed ADU contractor in San Jacinto, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (951) 719 7313
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💰 How Much Does an ADU Cost in San Jacinto?

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 Jacinto contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in San Jacinto

How much does it cost to build an ADU in San Jacinto?▼
The average cost to build an ADU in San Jacinto 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 Jacinto?▼
The ADU permit process in San Jacinto 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 Jacinto?▼
In San Jacinto, 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 Jacinto?▼
San Jacinto 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 Jacinto?▼
No parking is required for ADUs in San Jacinto 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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