ADU Contractors
Dashboard

ADU Builders & Contractors in Folsom, CA

Folsom, CA homeowners looking to build an ADU have 236 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 Folsom starts here.

📊 ADU Quick Facts for Folsom

Avg. Cost/sqft

$200-$375

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 236 ADU Contractors in Folsom

🏗️
#1BOROICA BUILDER

Folsom, CA

Boroica Builder — licensed ADU contractor in Folsom, CA. Detached ADU construction.

View Profile📞 (916) 223 9007
🏗️
#2ENCORE CONSTRUCTION AND MANAGEMENT, INC

Folsom, CA

Encore Construction And Management, Inc — licensed ADU contractor in Folsom, CA. Detached ADU construction. 8+ years experience.

View Profile📞 (916) 597 0263
🏗️
#3GILEVICH CONSTRUCTION INC

Folsom, CA

Gilevich Construction Inc — licensed ADU contractor in Folsom, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (916) 803 3769
🏗️
#4MODERN REMODELING AND CONSTRUCTION

Folsom, CA

Modern Remodeling And Construction — licensed ADU contractor in Folsom, CA. Detached ADU construction.

View Profile📞 (916) 420 5485
🏗️
#5UNIQUE 5 CONSTRUCTION

Folsom, CA

Unique 5 Construction — licensed ADU contractor in Folsom, CA. Detached ADU construction.

View Profile📞 (916) 897 1050
🏗️
#6NOMAD CONSTRUCTION

Folsom, CA

Nomad Construction — licensed ADU contractor in Folsom, CA. Detached ADU construction.

View Profile📞 (916) 337 6093
🏗️
#7ALPINE BLUE LOG HOMES INC

Folsom, CA

Alpine Blue Log Homes Inc — licensed ADU contractor in Folsom, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (916) 761 4167
🏗️
#8WOODSIDE HOMES OF NORTHERN CALIFORNIA LP

Folsom, CA

Woodside Homes OF Northern California LP — licensed ADU contractor in Folsom, CA. Detached ADU construction. 13+ years experience.

View Profile📞 (916) 608 9600
🏗️
#9CONSTRUCTION MANAGEMENT SOLUTIONS

Folsom, CA

Construction Management Solutions — licensed ADU contractor in Folsom, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (916) 216 6742
🏗️
#10J P CONSTRUCTION

Folsom, CA

J P Construction — licensed ADU contractor in Folsom, CA. Detached ADU construction. 28+ years experience.

View Profile📞 (916) 451 5450
View All 236 Contractors →

💰 How Much Does an ADU Cost in Folsom?

Garage Conversion

$70,000 - $130,000

Converting existing garage to living space

Detached ADU

$150,000 - $325,000

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 Folsom contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Folsom

How much does it cost to build an ADU in Folsom?▼
The average cost to build an ADU in Folsom ranges from $150,000 to $325,000, or approximately $200 to $375 per square foot. Garage conversions typically cost $70,000 to $130,000.
How long does it take to get an ADU permit in Folsom?▼
The ADU permit process in Folsom 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 Folsom?▼
In Folsom, 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 Folsom?▼
Folsom 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 Folsom?▼
No parking is required for ADUs in Folsom 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)

Ready to Build Your ADU in Folsom?

Get free quotes from top-rated local contractors

Find Contractors Now
← View all contractors in California