Detached ADU near Granite Bay, CA

A1 Building Contractors LLC offers general contracting, renovation, and ADU construction services. Specializing in detached ADUs, garage conversions, JADUs, and in-law suites, they manage permits, trades, and timelines for residential and commercial projects.

Belz Construction is a Sacramento ADU contractor building custom accessory dwelling units, in-law suites, garage conversions, and ADA-compliant granny flats. They manage design, permits, and construction end-to-end, boosting property value by up to 30%.

Cal ADU Builders Inc. is a licensed, family-owned ADU contractor in Westminster, CA, with 20+ years of experience. They offer custom ADU design, full construction, and consultation for Southern California homeowners.

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.

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.

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.

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.

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.

ADU Builders Placer is a trusted ADU contractor in Roseville, CA, specializing in custom accessory dwelling unit design, construction, permitting, and financing. They offer sustainable, affordable ADU solutions including granny flats, in-law suites, and backyard cottages.

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.

Cozy ADU is a full-service ADU contractor in Greater Sacramento, CA, building detached ADUs, garage conversions, guest houses & more. Turnkey process from permits to construction. Free consultation available.

ADUs by Avatar is a Southern California ADU builder offering a transparent Plan, Design & Build process. They handle feasibility studies, permits, 3D design, and construction, delivering detached ADUs, granny flats & in-law suites on time.

Sacramento's Summit Building Group offers full-service ADU construction, including custom design, permitting, garage conversions, and detached units. They serve homeowners seeking rental income, multigenerational living, or guest suites, backed by a lifetime workmanship warranty.

Spark Studio Design completed a 375 sq ft minimalist ADU in Oakland, CA. California allows two ADUs per lot, including a JADU up to 500 sq ft. They specialize in detached ADUs, garage conversions, and small-scale residential design.