Detached ADU near Grass Valley, CA

Granny Homes, founded by Jason Lewis, is a Sacramento-based ADU contractor specializing in attached ADUs, detached backyard cottages, and garage conversions. They offer full-service design, permitting, and construction for functional, affordable accessory dwelling units.

Condor Builders offers custom ADU design & construction in Sacramento & Northern California. Services include permitting, energy-efficient builds, garage conversions & two-story ADUs. Serving Roseville, Folsom, Granite Bay & more. Free estimates available.

California offers ADU funding via CalHome, LEAP, LHTF, REAP, SB 2 grants & CDBG. Local programs in San Diego, San Jose & more aid homeowners. GLAD Construction ADU Builders guides projects from permits to completion.

Backyard Unlimited, founded 2009 in Rocklin, CA, specializes in Amish-crafted sheds, gazebos, pergolas, and ADUs for Greater Sacramento homeowners. They handle full ADU design, permitting, and installation in-house, with no subcontractors.

Risecon North America is a Sacramento ADU builder and home renovation contractor with 25+ years of experience. They offer on-site ADU construction, home remodeling, permits, in-house design, financing, and a workmanship warranty across California.

KGA Construction Inc offers turnkey ADU construction in Sacramento, including garage conversions, detached ADUs, and backyard cottages. Services cover design, permits, and build management for accessory dwelling units that add lasting property value.

Green Bee Construction Inc builds high-end ADUs, custom homes, additions, and renovations for Nevada County homeowners who want quality they can trust. Based in Grass Valley, we bring twenty years of local permitting expertise — including septic systems, setback rules, and zoning requirements specific to the foothills — and a contractor who puts your interests first, every time. No runaround. No surprises. Just exceptional craftsmanship and straight communication from start to finish.

Revitalize Construction (CA License #1099913) is a licensed general contractor in Sacramento offering residential & commercial construction, ADU builds, garage conversions, JADUs & renovations across Roseville, Folsom, Sacramento & surrounding Northern California communities.

ADU4Life is a California-based ADU construction company founded in 2016, offering design, permit, and build services for backyard cottages, granny flats, and in-law suites, with 80+ ADUs completed statewide.

Built Environment Inc. is a licensed Northern California ADU contractor with 20+ years of experience. They build detached, attached, internal, JADU, and garage conversion ADUs, guiding homeowners from consultation to completion per California building codes.

America's Dream HomeWorks is a California-based design-build contractor specializing in ADU construction, including detached units, garage conversions & room additions. EPA Lead-Safe certified, A+ BBB rated, handling permits, design & build.

Golden State ADUs is a full-service ADU contractor in Sacramento, CA. With 10+ years of experience and 100+ projects, they offer design, permitting, and construction for detached ADUs, in-law suites, and backyard cottages across California.

Nico Pro Construction offers expert ADU construction in Sacramento, including detached units, garage conversions, in-law suites, and backyard cottages. Their quality-focused approach ensures functional, durable spaces that add long-term value to your property.

ADU Builders California is a tech-driven ADU contractor offering detached ADUs, granny flats & garage conversions statewide. Costs range $30K–$300K+, with builds taking 4–6 months. Free consultations available.