Detached ADU near Los Altos, CA
DSA Architects
1107 Virginia Street, Berkeley, CA 94702
36.4 miles
DSA Architects designed an 850 sq. ft. second-floor ADU in Berkeley Hills for multi-generational living. Features 2 beds, 1 bath, open layout, Tilden Park views, roof deck, solar PV, heat pumps, and gray-water system.
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Manzanita Design Build
408 48th Street, Oakland, CA 94609
33.4 miles
Manzanita Design Build is an East Bay ADU contractor specializing in accessory dwelling units. Serving Berkeley, Oakland, Alameda & more. New ADU construction starts ~$300K, 5–8 month build time. Licensed (#1034108) & insured.
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Haus+
Corte Madera, CA 94925
45.1 miles
Haus+ is a Bay Area ADU builder offering turnkey accessory dwelling units for California homeowners. They handle design, permitting, and construction using a panelized hybrid method, with all-inclusive upfront pricing and in-house financing available.
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Larson Shores Architects
1295 Alabama Street, San Francisco, CA 94110
33.7 miles
Larson Shores Architects is a San Francisco-based firm offering residential, ADU, and commercial design services. Founded in 2007 by Josh Larson, they specialize in new builds, garage conversions, in-law suites, and full permit navigation across the Bay Area.
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Home WiP Construction Concierge
171 Main St 261, Los Altos, CA
1.3 miles
Vitalize Build
3120 Scott Blvd, Suite 130, Santa Clara, CA 95054
7.3 miles
Vitalize Build is a Bay Area ADU contractor offering design and construction services for detached ADUs, garage conversions, and in-law suites. They provide preapproved, predesigned, and custom layouts ranging from 238 to 1,200 sq ft.
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Northbay Home Solutions
47 Paul Drive, San Rafael, CA 94903
47 miles
Northbay Home Solutions offers full-service ADU construction in San Rafael, San Francisco & North Bay. Services include detached ADUs, garage conversions & JADUs, covering design, permits & build.
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ADORE Homes
180 East Sunnyoaks Avenue, Campbell, CA 95008
10.4 miles
ADORE Homes is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs & in-law suites. They manage design, permitting & construction, helping homeowners add value & living space.
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Edri Construction, Inc. Berkeley
2120 University Ave, Berkeley, CA 94704
36 miles
Edri Construction, Inc. is a Berkeley-based general contractor specializing in ADU construction across the Bay Area. Services include garage conversions, detached ADUs, attached additions, granny flats, and custom interiors, with full project management from permits to finishing.
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Hamilton Exteriors
21634 Redwood Road, Castro Valley, CA 94546
24.9 miles
Hamilton Exteriors builds detached ADUs, garage conversions, and JADUs across 6 Bay Area counties. Licensed (CSLB #1078806), insured, and bonded. Projects run 5–9 months with fixed-price contracts. CalHFA grants and $0-down financing available.
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Eano
42514 Albrae St, Fremont, CA 94583
14.1 miles
Eano offers custom on-site ADU design and build services, handling permits, construction, and financing. Their app tracks progress in real time. Licensed pros average 10+ years experience. Flexible 0% interest financing options available.
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ADU Builders Bay Area
111 N Market St Suite 1150, San Jose, CA 95113
10.5 miles
ADU Builders Bay Area specializes in detached ADUs, garage conversions, in-law suites & more. Expert ADU contractors offering transparent pricing, full permitting & quality construction throughout the Bay Area.
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GR Innovative Builders Inc.
12488 San Pablo Avenue, Richmond, CA 94805
41.5 miles
GR Innovative Builders Inc. is a Bay Area ADU contractor specializing in accessory dwelling units, granny flats, and in-law suites. Completed projects in Richmond, Oakland, Lafayette & Pinole. Featured in Sunset Magazine.
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Barcci Builders
16185 Los Gatos Boulevard, Los Gatos, CA 95032
11.8 miles
Barcci Builders specializes in ADU construction across the Bay Area, offering design, permitting, and build services. With 40+ completed units, they handle JADUs, garage conversions, attached, and detached ADUs, with costs ranging from $60K to $400K+.
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Reno Revive Remodeling
2655 Stanwell Drive, Concord, CA 94520
42.6 miles
Whether you’re planning a rental unit, a guest house, or a private suite for family, RenoRevive will help you design and build a fully functional ADU that fits your needs, your lot, and your long-term goals.
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What you need to know
Searching for top Detached ADU ADU Contractors in Los Altos, 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 Los Altos 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.
Los Altos 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 Los Altos, California, and get started today.