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ADU Builders & Contractors in Sunset, CA

Building an ADU in Sunset? You'll find 1 licensed contractors in the area, ready to help. Sunset's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Sunset

Avg. Cost/sqft

$193-$368

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 1 ADU Contractors in Sunset

🏗️
#1MTO CONSTRUCTION SERVICES LLC

Sunset, CA

Mto Construction Services Llc — licensed ADU contractor in Sunset, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (909) 376 8186

💰 How Much Does an ADU Cost in Sunset?

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 Sunset contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Sunset

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