Eco Scale Construction builds ADUs in Sunnyvale, Los Altos & Palo Alto, CA. Services include detached ADUs, garage conversions & JADUs. Costs range from $80K–$400K+. Fully compliant with California ADU regulations.
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J.A. Mejia Construction is a licensed ADU builder & home addition contractor in Sonoma County & the Bay Area. Services include detached ADUs, garage conversions, in-law suites & second-story additions in Santa Rosa, Petaluma & beyond.
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prefabADU is a Bay Area ADU builder with 16+ years of experience offering affordable kits and plans from under $45K. With 12 state-approved plans valid across California, they simplify permits, design, and installation for homeowners.
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Wellmade is a California prefab ADU builder specializing in panelized accessory dwelling units. Founded in 2020, they've completed 200+ projects, reducing construction waste by 85%. Serving CA, OR, and WA with all-inclusive pricing.
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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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Bay Area Home Remodelers builds ADUs in Daly City, San Francisco & San Jose. Services include garage conversions, granny flats, JADUs & detached units. Full project support from permits to completion.
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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.
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Mendez and Son's Construction is a Bay Area ADU contractor offering design-build services in Palo Alto, Mountain View, San Mateo & Walnut Creek. They handle detached ADUs, garage conversions & JADUs, managing permits to final inspection.
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Your Prefab ADU will be delivered and installed to your site. All ready to enjoy a sustainable home to last for generations.
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New Avenue, Inc is a full-service design-build company serving the San Francisco Bay Area and Portland, OR since 2011. They specialize in ADUs, custom homes, renovations, additions, and Enclaves, managing design, permitting, and construction under one roof.
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Custom ADU builders in Palo Alto, CA, specializing in granny flats, detached ADUs & backyard cottages. Personalized design, permitting, and full construction management for quality accessory dwelling units.
read moreLafayette, California, nestled in the scenic hills of Contra Costa County, is part of the prestigious Lamorinda area — a region known for its top-rated schools, upscale neighborhoods, and strong community identity. As housing demand continues to surge across the Bay Area, Lafayette homeowners are increasingly turning to ADU contractors in Lafayette, CA to add accessory dwelling units to their properties. With median home values well above $1 million, adding an ADU is a smart investment strategy that can generate rental income or provide multigenerational living solutions.
Working with an experienced ADU contractor in Lafayette is essential because local regulations can be complex. Lafayette falls under Contra Costa County planning guidelines in some areas, but the City of Lafayette has its own Planning Division that oversees ADU permits. Key regulations homeowners and contractors must be aware of include:
Hiring a local ADU contractor familiar with Lafayette's building department can save homeowners significant time and money. Lafayette's hilly terrain presents unique construction challenges, including grading, soil stability assessments, and compliance with Wildland-Urban Interface (WUI) fire codes — a critical consideration given the city's proximity to fire-prone hillside areas. A knowledgeable contractor will handle slope-related engineering requirements and ensure your ADU meets all fire-resistant construction standards.
Lafayette's diverse property landscape supports several ADU types that skilled contractors regularly build:
Whether you're looking to increase your property value, create a rental income stream, or house family members, working with a qualified ADU contractor in Lafayette, California is the first step. Look for contractors who are licensed with the California Contractors State License Board (CSLB), carry proper insurance, and have demonstrated experience navigating Lafayette's specific permitting process for a smooth, successful ADU build.