Sacramento County·Population 82,000+

ADU Builders in Folsom, CA

Folsom combines strong tech employment, excellent schools, and scenic surroundings to create consistent demand for quality rental housing. ADUs here attract long-term tenants from the local tech and healthcare sectors.

$680,000

Median Home Price

7,000–12,000 sq ft

Avg. Lot Size

$1,600–$2,400/mo

Est. ADU Rent

60 days (state-mandated)

Permit Timeline

$7,000–$20,000

Permit Cost

1,200 sq ft (detached)

Max ADU Size

Why Build an ADU in Folsom?

Folsom's tech employment base and excellent schools create stable, long-term rental demand. ADUs here tend to attract professional tenants who stay for multiple years.

Market Highlights

  • Intel, Oracle, and tech sector employment drives rental demand
  • Excellent school district attracts families seeking long-term rentals
  • Scenic location near Folsom Lake adds lifestyle appeal
  • Lower crime rates and high quality of life

Folsom ADU Regulations & Permits

Key rules and requirements for building an ADU in Folsom, Sacramento County.

ADUs permitted on all residential lots per California state law.

Local Tips for Folsom ADU Projects

1

Newer neighborhoods may have HOA restrictions

2

Folsom has design compatibility requirements that can affect architectural costs

3

The city offers good online resources for ADU permit applicants

ADU Builders Serving Folsom

33 builders found

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General Contractor Licensed Yelp Guaranteed

Solid Construction & Design

Sacramento, CA(916) 456-7890
ADU Design-BuildKitchen RemodelsBathroom RemodelsHome Additions
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rancho Cordova
479 projects on BuildZoomBuildZoom verified projects · Updated Jul 2026
4.9
62 reviews
General Contractor Licensed

Muradu Construction Inc

North Highlands, CA(916) 292-1326
Design-Build ADUADU General ContractingADU Permits & PlansSite Preparation+2 more
Serves:Sacramento, Orangevale, Lincoln, Penryn, Roseville +9 more

Sacramento-based general contractor specializing in ADU construction and exterior renovation. James Hardie Preferred Certified installer for fire-resistant siding. CSLB License #1067361.

4.7
43 reviews
Dedicated ADU Builder Licensed

Cronuservice

Sacramento, CA(916) 550-3378
Turnkey ADUFinancing GuidanceIncentives Guidance
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin +5 more

Offers ADU financing and incentives guidance.

Dedicated ADU Builder Licensed

Snap ADU

Sacramento, CA
DesignPermittingConstructionFinancing
Serves:Sacramento, Elk Grove, Folsom, Roseville, Rocklin +1 more
19 ADU permit recordsCity of Sacramento permit records · Updated Jul 2026

Known for streamlined process and fast timelines.

Dedicated ADU Builder Licensed

Maxable Space

Sacramento, CA
ADU PlanningDesignPermittingBuilder Matching
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin
21 projects on BuildZoomBuildZoom verified projects · Updated Jul 2026

Helps homeowners plan ADUs and matches them with builders.

Dedicated ADU Builder Licensed

Dwellito

Sacramento, CA
Prefab ADUModular ADUSite Prep
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin +2 more

Online marketplace connecting homeowners with prefab ADU manufacturers.

Dedicated ADU Builder Licensed

Villa Homes

Sacramento, CA
ADU DesignPermittingConstruction
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin

Uses technology to streamline the ADU process.

Dedicated ADU Builder Licensed

Abodu

Sacramento, CA
Prefab ADUSite PrepInstallation
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin

High-quality prefab ADUs with fast installation.

Dedicated ADU Builder Licensed

Mighty Buildings

Sacramento, CA
3D-Printed ADUPrefab ADU
Serves:Sacramento, Elk Grove, Roseville, Folsom

Uses 3D printing technology for faster, more sustainable construction.

Dedicated ADU Builder Licensed

Cover

Sacramento, CA
ADU DesignPermittingConstruction
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin

Architect-designed ADUs with a focus on quality and design.

Dedicated ADU Builder Licensed

Eco ADU

Sacramento, CA
Sustainable ADU DesignGreen BuildingSolar Integration
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin

Specializes in sustainable, energy-efficient ADU construction.

Dedicated ADU Builder Licensed

ADU Geeks

Sacramento, CA
ADU ConsultingDesignPermitting Assistance
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin +1 more

Consulting-focused company that helps homeowners navigate the ADU process.

Dedicated ADU Builder Licensed

Build My ADU

Sacramento, CA
ADU DesignPermittingConstructionFinancing
Serves:Sacramento, Elk Grove, Roseville, Folsom, Rocklin
Dedicated ADU Builder Licensed

HomeADU

Sacramento, CA
ADU DesignPermittingConstruction
Serves:Sacramento, Elk Grove, Roseville, Folsom
Dedicated ADU Builder Licensed

A1 Building Contractors LLC

Granite Bay, CA(916) 847-1671
Design-Build ADUADU General ContractingGarage ConversionJADU Construction+6 more
Serves:Sacramento, Elk Grove, Roseville, Folsom, Auburn +15 more
3 projects on BuildZoomBuildZoom verified projects · Updated Jul 2026

Veteran-owned design-build ADU contractor. CSLB #1094366. 1-year labor warranty, 10-year structural warranty. Serves Sacramento and Placer County. Email: andrew@a1buildingcontractors.com

General Contractor Licensed

Riverland Homes Inc

Roseville, CA(916) 850-0536
New Home ConstructionADU ConstructionCustom Homes
Serves:Sacramento, Roseville, Granite Bay, Elk Grove, Rancho Cordova +1 more
129 projects on BuildZoomBuildZoom verified projects · Updated Jul 2026

Established Sacramento-region home builder since 2001. 76 total permits and 11 ADU-specific permits in city records. Serves greater Sacramento including Roseville and Granite Bay.

Dedicated ADU Builder Licensed

prefabADU

Sacramento, CA
Prefab ADUsModular ADUs
Serves:Sacramento, Elk Grove, Folsom, Rancho Cordova

Focused on affordable housing solutions.

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About ADU Construction in Folsom, CA

Folsom is located in Sacramento County with a population of 82,000+ and a median home price of $680,000. The average lot size of 7,000–12,000 sq ft provides good space for ADU construction, with estimated rental income of $1,600–$2,400/mo for completed units.

ADU permits in Folsom are processed through Sacramento County with a state-mandated maximum timeline of 60 days. Permit costs typically range from $7,000–$20,000, and the maximum allowed ADU size is 1,200 sq ft (detached). Our directory helps you find experienced builders who know the local regulations and can guide you through the entire process.