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ADU Builders & Contractors in Yountville, CA

Yountville, CA is home to 11 ADU contractors ready to help. From initial permits to final inspection, these local professionals know Yountville's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for Yountville

Avg. Cost/sqft

$199-$374

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 11 ADU Contractors in Yountville

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#1WFR DEVELOPMENT

Yountville, CA

Wfr Development — licensed ADU contractor in Yountville, CA. Detached ADU construction. 26+ years experience.

View Profile📞 (707) 363 5105
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#2S G M CONSTRUCTION INCORPORATED

Yountville, CA

S G M Construction Incorporated — licensed ADU contractor in Yountville, CA. Detached ADU construction. 35+ years experience.

View Profile📞 (916) 807 4540
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#3MR FIX

Yountville, CA

MR Fix — licensed ADU contractor in Yountville, CA. Detached ADU construction. 44+ years experience.

View Profile📞 (707) 246 5770
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#4TRICE JOHN W JR

Yountville, CA

Trice John W JR — licensed ADU contractor in Yountville, CA. Detached ADU construction. 41+ years experience.

View Profile📞 (661) 345 4847
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#5VINE HOMES CONSTRUCTION CORP

Yountville, CA

Vine Homes Construction Corp — licensed ADU contractor in Yountville, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (707) 531 8009
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#6GRIFFIN MOLINARI BUILDING CONSTRUCTION INC

Yountville, CA

Griffin Molinari Building Construction Inc — licensed ADU contractor in Yountville, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (707) 738 8200
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#7HAMILTON PETER CONSTRUCTION

Yountville, CA

Hamilton Peter Construction — licensed ADU contractor in Yountville, CA. Detached ADU construction.

View Profile📞 (707) 531 8009
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#8DK MCNABB INC

Yountville, CA

DK Mcnabb Inc — licensed ADU contractor in Yountville, CA. Detached ADU construction.

View Profile📞 (925) 935 3700
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#9TODD HARDY CONSTRUCTION INC

Yountville, CA

Todd Hardy Construction Inc — licensed ADU contractor in Yountville, CA. Detached ADU construction. 19+ years experience.

View Profile📞 (707) 738 7900
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#10SCHMITT E C & CO

Yountville, CA

Schmitt E C & CO — licensed ADU contractor in Yountville, CA. Detached ADU construction. 29+ years experience.

View Profile📞 (707) 224 7086
View All 11 Contractors →

💰 How Much Does an ADU Cost in Yountville?

Garage Conversion

$69,500 - $129,500

Converting existing garage to living space

Detached ADU

$149,000 - $324,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,111 - $5,111

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Yountville

How much does it cost to build an ADU in Yountville?▼
The average cost to build an ADU in Yountville ranges from $149,000 to $324,000, or approximately $199 to $374 per square foot. Garage conversions typically cost $69,500 to $129,500.
How long does it take to get an ADU permit in Yountville?▼
The ADU permit process in Yountville 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 Yountville?▼
In Yountville, 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 Yountville?▼
Yountville 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 Yountville?▼
No parking is required for ADUs in Yountville 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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