Attached ADU near Hayward, CA

ADU Home Addition is a leading Bay Area ADU contractor with 12+ years of experience. They specialize in custom ADU construction, in-law suites, garage conversions, home additions, and rental-optimized ADUs, handling design, permits, and full construction.

At Michael Marini Construction, we know that the journey starts with understanding both the potential and the requirements involved. With years of experience guiding clients through everything from design ideas to local building rules, we’re here to help make your ADU dreams become a reality while enhancing your property value.

9 Builders is a Bay Area ADU contractor offering full-service design, permits & construction. Specializing in detached ADUs, garage conversions & additions, costs range $150K–$350K, taking 8–14 months to complete.

SOD Home Group builds attached & detached ADUs, including granny flats, in-law suites, garage conversions & backyard cottages. Licensed ADU contractor (Lic. 942085) helping homeowners expand living space efficiently.

Remodeling Heroes is a licensed ADU contractor in the SF Bay Area offering garage conversions, detached ADUs, in-law suites, permits, and full project management for code-compliant, lot-smart accessory dwelling unit construction.

Apex Homes is a full-service ADU builder in the South Bay Area, serving Campbell, Palo Alto & South San Jose. They offer detached ADUs, granny flats & in-law suites, with pre-designed floor plans from $185,000.

ADUs (accessory dwelling units) are self-contained homes on existing properties. California's 2020 laws simplified ADU permits statewide. Alpha ADU Solutions, a San Francisco-based ADU builder with 100+ team members, specializes in granny flats, garage conversions & in-law suites.

Intelligent Choice Builders is a licensed Bay Area ADU contractor serving Palo Alto, Cupertino, San Jose & Sunnyvale. They build detached ADUs, garage conversions, granny flats & more, managing permits, design & construction end-to-end.

Golden View Renovation offers ADU design, room additions & full construction services in San Jose & the Bay Area. Services include permits, JADUs, remodeling & free consultations for homeowners seeking to expand living space.

Edri Construction, Inc. in Burlingame offers full-service ADU construction across the Bay Area, including garage conversions, detached ADUs, attached additions, and custom interiors, with energy-efficient builds and multi-generational living solutions.

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 Jose.

Mountain Top Construction is a Bay Area ADU builder serving San Rafael, San Francisco, and Las Vegas. They specialize in detached ADUs, backyard cottages, granny flats, and in-law suites, managing design, permitting, and construction.

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.

Valley Boutique Builders is a licensed Bay Area ADU contractor offering full-service accessory dwelling unit construction, custom home additions, kitchen and bathroom remodeling, and new construction with free initial consultations.