ADU Builders & Contractors in Sun Valley, CA

Sun Valley, CA is home to 157 ADU contractors ready to help. From initial permits to final inspection, these local professionals know Sun Valley's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for Sun Valley

Avg. Cost/sqft

$193-$368

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 157 ADU Contractors in Sun Valley

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Sun Valley, CA

Nine One Construction Inc — licensed ADU contractor in Sun Valley, CA. Detached ADU construction.

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Sun Valley, CA

M&M Construction Group — licensed ADU contractor in Sun Valley, CA. Detached ADU construction.

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Sun Valley, CA

Bolder Builders Inc — licensed ADU contractor in Sun Valley, CA. Detached ADU construction.

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Sun Valley, CA

David Badalyan — licensed ADU contractor in Sun Valley, CA. Detached ADU construction.

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Sun Valley, CA

Luminous 911 Inc — licensed ADU contractor in Sun Valley, CA. Detached ADU construction.

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Sun Valley, CA

G Gonzalez Construction — licensed ADU contractor in Sun Valley, CA. Detached ADU construction. 7+ years experience.

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Sun Valley, CA

Pinnow Tom Construction — licensed ADU contractor in Sun Valley, CA. Detached ADU construction. 38+ years experience.

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Sun Valley, CA

Bakmazian Gevorg — licensed ADU contractor in Sun Valley, CA. Detached ADU construction. 26+ years experience.

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Sun Valley, CA

Armtech CO Inc — licensed ADU contractor in Sun Valley, CA. Detached ADU construction. 26+ years experience.

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Sun Valley, CA

JT Construction Group Inc — licensed ADU contractor in Sun Valley, CA. Detached ADU construction. 9+ years experience.

💰 How Much Does an ADU Cost in Sun Valley?

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

$1,117 - $5,117

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Sun Valley

How much does it cost to build an ADU in Sun Valley?
The average cost to build an ADU in Sun Valley 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 Sun Valley?
The ADU permit process in Sun Valley 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 Sun Valley?
In Sun Valley, 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 Sun Valley?
Sun Valley 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 Sun Valley?
No parking is required for ADUs in Sun Valley 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.

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