Attached ADU in California
Bourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651
Bourke Construction builds custom ADUs in Orange County, including detached units, garage conversions, and JADUs. They manage design, permits, and construction, helping homeowners add rental income, multi-generational living space, or property val... read more
ADUXprt IE General Builders
4534 Carter Court, Chino, CA 91710
Our Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our custom... read more
JDB Builders - Riverside
11801 Pierce Street, Riverside, CA 92505
Building an ADU in Riverside takes 8–16 months. JDB Builders guides homeowners through design (1–3 months), permitting (2–4 months), construction (4–8 months), and final inspections (1–2 months) for granny flats, garage conversions, and ... read more
South Land Remodeling
15021 Ventura Boulevard, Los Angeles, CA 91403
South Land Remodeling is an LA-based ADU contractor with 20+ years of experience. They offer full-service ADU construction, garage conversions, room additions, and permit management across Los Angeles and the San Fernando Valley.
read more
Geico Builders
1901 Harrison Street, Oakland, CA 94612
Geico Builders offers ADU services including detached ADUs, attached ADUs, Junior ADUs, garage conversions, and home additions. Ideal for rental income, family housing, or maximizing space on your existing property.
read more
Jackson Design & Remodeling
4797 Mercury Street, San Diego, CA 92111
New Dawn Construction
14900 Ventura Blvd Unit #330, Sherman Oaks, CA 91403
New Dawn Construction is an ADU contractor specializing in detached ADUs, garage conversions, in-law suites, granny flats, JADUs, and backyard cottages. They guide homeowners through design, permitting, and construction for flexible housing soluti... read more
Vino Design Build
2405 Laurel Street, Napa, CA 94558
Are you considering adding an Accessory Dwelling Unit (ADU) to your property in Napa Valley, California? At Vino Design Build, we specialize in helping homeowners like you design, plan, and construct ADUs that enhance your property’s value and f... read more
Epic Modulars
157 North 4th Street, San Jose, CA 95112
Epic Modulars delivers fast, flexible, and customizable solutions for homes and ADUs. Their manufactured homes and ADUs are built in controlled factory environments, ensuring superior quality, faster timelines, and predictable costs.
read more
Bobcat Builders
East Palo Alto, CA 94303
Bobcat Builders is a Bay Area ADU contractor specializing in accessory dwelling units in Palo Alto. They offer attached & detached ADUs, garage conversions, granny flats & in-law suites, backed by a Two Year Satisfaction Guarantee.
read more
Urban Shore Builders
226 Delfino Avenue, Point Richmond, CA 94801
Urban Shore Builders offers full-service ADU design & construction, including garage conversions, detached units & additions. As a turnkey ADU contractor, they handle permits, design & build. Services include plumbing, electrical, HVAC... read more
SE Builders Inc
13006 Philadelphia Street, Whittier, CA 90601
SE Builders Inc completed an ADU project in Fullerton, CA, transforming a structure into a modern living space. Features include updated framing, durable finishes, eco-friendly materials, energy-efficient systems, and low-maintenance landscaping.<... read more
La Tour Builders
23362-G Via Fabricante, Mission Viejo, CA 92691
La Tour Builders offers expert ADU construction in Laguna Niguel, CA, including garage conversions, detached units & attached additions. Licensed, insured & code-compliant, they help homeowners add rental income or multigenerational living... read more
Dwelling Lab
21 El Caminito, Walnut Creek, CA 94598
Dwelling Lab is an Oakland-based ADU design firm offering full-service planning, schematic design, construction drawings, permitting, and construction oversight for detached ADUs, attached additions, and garage conversions.
read more
Landmark Building Inc
Los Angeles, CA 90027
Landmark Building Inc is a Los Feliz-based general contractor serving Los Angeles neighborhoods including Hollywood Hills, Silverlake & Echo Park. They offer residential & light commercial remodeling, ADUs, garage conversions & free es... read more
Other cities in California
What you need to know
Searching for top Attached ADU ADU Contractors in California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Attached ADU ADU Contractor in California ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Attached ADU professionals can guide you through every step.
California homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in California, and get started today.