Bay Area design-build ADU specialists. One project, one point of contact — design, engineering, permitting, and construction from start to finish. CSLB #1130783.
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Tucan Builder is a family-owned general contractor in Redwood City, CA, serving San Mateo County. Specializing in ADU construction, room additions, kitchen remodeling, and home renovations, they bring 30+ years of combined experience.
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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 li... read more
Mola Construction is a trusted ADU builder in San Jose with 20+ years of experience. They offer custom ADUs, kitchen remodels, home additions, and full remodeling services across the Bay Area, ensuring California code compliance.
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ADU Premium builds eco-friendly, RVIA-certified tiny homes and ADA-accessible ADUs. Models range from 90–360 sq ft, starting at $49,200. Includes permits, delivery, and installation. Financing available via RV loans, HELOC, and more.
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Element Home Remodeling is a Mountain View ADU contractor offering full design-build services in Silicon Valley. They specialize in garage conversions, backyard cottages, in-law suites & rental units, serving Palo Alto, Sunnyvale & San Jos... read more
ADU For You is a Bay Area ADU builder based in Redwood City, offering end-to-end services including design, permits, and construction. Serving 1,000+ clients, they specialize in custom detached ADUs, granny flats, and in-law suites at competitive ... read more
NorCal ADU Builders is a California-based full-service ADU contractor handling planning, permits, Title 24 compliance, and construction—including foundation, framing, roofing, plumbing, and interior finishes—for detached ADUs, garage conversio... read more
Regency Construction & Remodeling BA is a San Francisco ADU contractor offering new builds, space conversions, and prefab ADU solutions. They handle design to completion, manage permits, and ensure compliance with local zoning laws.
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HDR Remodeling is a Bay Area Design Build firm since 1987, specializing in kitchen remodels, bathroom renovations, and home improvements across Oakland, Berkeley, Alameda, and the East Bay, backed by an experienced team of architects and designers... read more
Home Quality Remodeling Inc. is a licensed Bay Area general contractor (CSLB #838832) with 20+ years of experience. Services include kitchen & bathroom remodeling, room additions, ADUs, and outdoor living across California and New Jersey.
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The ADU Dudes is a Bay Area & Northern California ADU contractor offering ADU construction, JADUs, garage conversions, home additions & new builds. Licensed under San Andres Construction (#1081083), serving San Jose, Oakland, Fremont &... read more
Gordon Reese Design Build is a licensed ADU contractor in Walnut Creek, CA, with 41+ years of experience. They offer custom ADU design and construction, 3D renderings, transparent pricing, serving the Bay Area including Danville, Lafayette & C... read more
San Lorenzo is a census-designated place (CDP) in Alameda County, California, meaning it is an unincorporated community without its own city government. This is a critical distinction for homeowners seeking ADU contractors in San Lorenzo, as all permitting, zoning, and building regulations fall under Alameda County's jurisdiction rather than a standalone city authority. Working with experienced ADU contractors who understand Alameda County's specific rules is essential for a smooth and compliant construction process.
Because San Lorenzo falls under Alameda County's unincorporated zoning codes, ADU contractors must navigate the county's Planning Department and Building Services Division. Key regulations that your ADU contractor must be familiar with include:
San Lorenzo's neighborhoods consist largely of post-World War II single-family homes, many built in the late 1940s and 1950s as part of planned suburban development. This means ADU contractors frequently encounter older infrastructure, including aging electrical panels, outdated plumbing, and foundations that may require upgrades before an ADU can be permitted. Hiring a knowledgeable local ADU contractor ensures these challenges are identified early, keeping your project on budget and on schedule.
Given the typical lot sizes and home layouts found throughout San Lorenzo, the most common ADU types constructed by local contractors include:
Whether you're looking to add rental income, house extended family, or increase your property value, working with a qualified ADU contractor in San Lorenzo, CA is the first step. Make sure your contractor has direct experience with Alameda County permitting processes to ensure your project meets all local requirements efficiently and effectively.