Deharo Construction is a trusted ADU builder serving Livermore, Pleasanton, and Dublin. Specializing in accessory dwelling units, new construction, and home additions, they deliver custom granny flats, detached ADUs, and in-law suites across the Tri-Valley area.
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Alon Design & Remodeling is a leading ADU contractor offering detached, attached, garage conversion, basement, and JADU options. ADUs boost property value, generate rental income, and provide independent living spaces with full amenities.
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Elite Construction builds ADUs in Santa Cruz County, offering detached units, garage conversions & addition ADUs. Projects range 250–1,200 sq ft, cost $115K–$450K, and take 6–9 months. Free estimates available.
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Anura Design specializes in ADU design, offering styles from modern farmhouse and contemporary steel to Mediterranean stucco. Their interiors feature open-concept layouts, natural wood tones, and refined finishes tailored to compact, functional living spaces.
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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.
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OCA Builders offers ADU design & construction in Santa Cruz County, including detached, attached, garage conversion, internal & junior ADUs. They use county-approved floor plans to streamline permitting and reduce timelines.
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Inspired ADUs is an architect-led ADU design firm serving the Bay Area and Southern California. With 20+ years of experience and 250+ ADUs permitted, they offer custom, panelized, and modular ADU solutions, plus interior design and SB9 lot split services.
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Sightline Construction is a Santa Cruz general contractor specializing in ADUs, new home builds, renovations, remodels, and custom additions. They manage projects from planning to completion, ensuring code compliance and quality craftsmanship.
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Bay Area general contractor Design and Construction by M&M specializes in ADUs, remodeling, room additions, and custom builds. Serving Burlingame, Los Altos, and Campbell, they manage design, permitting, and construction. Free consultations available.
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ADU Builders Group is a Bay Area family-owned ADU contractor with 21+ years of experience. They build attached, detached, converted, and junior ADUs, offering full design-build services, permitting support, a 3-year warranty, and a 10-year structural guarantee.
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Apex ADU Builders is a Los Angeles-based contractor specializing in accessory dwelling unit construction. Services include new builds, garage conversions, permitting, and design. Costs range from $80K–$400K, with potential ROI 35% higher than homes without ADUs.
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Metricon Homes offers ADU construction and garage conversion services. Choose from 5 sizes: Marigold, Camellia, Magnolia, Dahlia, and Sunflower. Their Design to Doorstep process covers custom design to completion. Licensed contractor: Tobin Brinker, License #1128717.
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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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ResCom ADU is a full-service ADU builder in Walnut Creek, CA, offering design, permits, engineering, construction & hookups. With 100+ years of combined experience, they deliver custom, cost-effective accessory dwelling units using SIPs & Net-Zero technology.
read moreLos Altos, California, is one of the most affluent and sought-after communities in Santa Clara County, consistently ranking among the wealthiest cities in the United States. With median home values well above $3 million and a strong demand for housing in the heart of Silicon Valley, ADU contractors in Los Altos are experiencing a significant surge in project requests. Homeowners are increasingly turning to Accessory Dwelling Units (ADUs) as a smart way to add rental income, house family members, or increase overall property value in this competitive real estate market.
Working with an experienced ADU contractor in Los Altos is essential because the city follows California state ADU law while also maintaining its own local guidelines under the jurisdiction of Santa Clara County planning regulations. Los Altos is a predominantly single-family residential community, and most properties fall under R1 zoning. Key regulations that ADU contractors must navigate include:
Skilled ADU builders in Los Altos work on a variety of project types to suit the unique needs of local homeowners. Given the large lot sizes common in Los Altos, detached ADUs are particularly popular. Common ADU types include:
Choosing a licensed and experienced ADU contractor familiar with Los Altos can make a significant difference in your project's success. Local contractors understand the nuances of working with the City of Los Altos Community Development Department, navigating permit timelines, and meeting the high design standards expected in this upscale community. They also have established relationships with local inspectors and subcontractors, helping to keep your project on schedule and within budget.
Whether you're looking to create a multigenerational living space, generate passive rental income, or simply maximize your property's potential, partnering with a qualified ADU contractor in Los Altos, CA is the first step toward a successful build in one of California's most desirable cities.