Attached ADU near Rocklin, CA

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.

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.

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.

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.

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.

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.

Lee & Co Contractors builds custom ADUs and home additions in Sacramento, Auburn, and Northern California. Services include detached ADUs, in-law suites, garage conversions, and home expansions, with a planning-first approach for smooth construction.

Coastal ADU Construction is a Bay Area design/build contractor specializing in accessory dwelling units. They handle detached ADUs, garage conversions, in-law suites, and granny flats, managing both design and construction while navigating local zoning regulations.

An ADU (accessory dwelling unit) is a self-contained living space on the same property as a primary home. G.J. Gardner Homes Sacramento offers expert ADU construction in California, guiding clients through a 7-step process from consultation to handover.

Leon's Construction Inc. offers ADU construction services in Escondido, Encinitas, and San Marcos, CA. They build backyard cottages, basement apartments, tiny homes, and more using durable, energy-efficient materials.

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.

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.

Experienced ADU builder offering a streamlined 4-phase process: free consultation, pre-construction & permitting, construction, and final handover. Covers granny flats, Casitas, detached ADUs & in-law suites with full transparency.

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.

Alpha1 Builders in Elk Grove, CA specializes in ADU construction, including garage conversions, attached, detached, junior, and multi-tenant ADUs. They manage design, permitting, and build, helping homeowners add value and rental income.