Detached ADU in California
ADU Builders Placer
1390 Lead Hill Blvd, Roseville, CA 95661
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.
read more
Perfect ADU & Remodeling Inc
21700 Golden Triangle Road, Santa Clarita, CA 91350
Perfect ADU & Remodeling Inc specializes in ADU construction, including detached ADUs and garage conversions. Services cover design, permitting, and build. ADUs boost property value, enable rental income, and support multi-generational living.
read more
Hardt Construction Services
2900 East Belle Terrace, Bakersfield, CA 93307
In addition to remodeling projects, the team at HCS specializes in the new construction of Accessory Dwelling Units (ADUs) in Bakersfield as well. From the ground up, we will work with you every step of the way – bringing your blueprint to fruition.
read more
North Bay ADU & Additions
1475 North Street, Santa Rosa, CA 95404
North Bay ADU & Additions is a trusted ADU builder serving the North Bay area, specializing in accessory dwelling units and home additions. They offer planning, construction, and permit consultation to help homeowners boost property value and rental income.
read more
ENE Smarthome, Inc.
690 Saratoga Avenue, San Jose, CA 95129
ENE Smarthome, Inc. is a Bay Area contractor offering home remodeling, ADU construction, smart home upgrades, and accessibility improvements. Services include garage conversions, granny flats, aging-in-place remodels, and SB9-compliant ADU projects.
read more
My Space Remodeling Inc.
24313 Main Street, Newhall, CA 91321
My Space Remodeling Inc. is a licensed ADU contractor in Westlake Village, CA, specializing in ADU design, construction, and garage conversions. They offer free estimates, financing, and hold an A+ BBB rating.
read more
Victory Home Remodeling
505 S Vermont Unit B # 229, Los Angeles, CA 90020
Victory Home Remodeling builds detached, attached, garage conversion, Junior, and above-garage ADUs in Los Angeles. Benefits include added property value, rental income, and multi-generational living. Timelines range from 2–10 months depending on ADU type.
read more
PCI Construction Inc
2682 Middlefield Road, Redwood City, CA 94063
PCI Construction Inc is a trusted ADU contractor offering custom accessory dwelling units, garage conversions, granny flats, and in-law suites. Licensed, bonded, and insured, they handle permitting, design, and construction efficiently.
read more
BNO Builders
445 Tyler Street, Monterey, CA 93940
BNO Builders is a Bay Area general contractor with 15+ years of experience in ADU construction, home remodeling, kitchen and bathroom renovations, room additions, and pool building. Fully licensed under California License #1107971.
read more
Bastion Structures
3111 Camino Del Rio North, San Diego, CA 92108
Bastion Structures offers modular concrete masonry homes, ADUs, and tiny houses that are fire-, mold-, and termite-resistant. Models range from 305 SF studios to 3,955 SF homes, ideal for California properties seeking durable, weatherproof living solutions.
read more
Dan Boyle Construction
Boulder Lane, Santa Rosa, CA 95405
Dan Boyle Construction offers expert ADU construction in Santa Rosa & Sonoma County. With 30+ years experience, they handle site evaluation, permits, design & full builds for detached ADUs, granny flats & backyard cottages.
read more
BuildShure
401 Corporate Pointe, Culver City, CA 90230
BuildShure specializes in ADUs and tiny homes, offering models like Studio Pod, Casita, and 2-bed Residence built with SIP Panels. They guarantee fixed pricing and pay $500/day for delays, ensuring reliable, energy-efficient backyard cottages.
read more
Loona Construction Inc.
8407 Central Avenue, Newark, CA 94560
Loona Construction Inc. is a San Francisco ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They handle design, permitting, and construction, helping homeowners add rental income or family housing.
read more
DREC Construction Services
15338 Central Avenue, Chino, CA 91710
DREC Construction Services is a licensed ADU builder in Glendale, CA, with 10+ years of experience. They handle design, permitting, and construction of ADUs for rental income, family housing, and home offices, offering a transferable lifetime warranty.
read more
Lars Remodeling & Design
5925 Kearny Villa Road, San Diego, CA 92123
Lars Remodeling & Design is a San Diego design-build firm with nearly 40 years of experience. Services include whole home remodels, room additions, second-story additions, and in-law suites, managed by an integrated team of architects, designers, and builders.
read more
Other cities in California
What you need to know
Searching for top Detached 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 Detached 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 Detached 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 Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in California, and get started today.