Attached ADU in California

Productive Home Renovation Inc offers full-service room additions, including porches, upper stories & interior expansions. They handle permits, planning & construction, ensuring code compliance & durable results tailored to each homeow... read more

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

An accessory dwelling unit (ADU) is a secondary home on a single-family lot with kitchen, bath, and sleeping space. Xavier Design Group helps Southern California homeowners build ADUs with trusted contractors and transparent pricing.

Edri Construction, Inc. is a Mill Valley-based Bay Area ADU contractor offering full-service accessory dwelling unit construction, including garage conversions, detached ADUs, JADUs, and in-law suites, with permit handling and energy-efficient bui... read more

Kitchenfer is a residential remodeling contractor specializing in kitchen renovation and home improvement. They may also support ADU projects, garage conversions, and in-law suites. Contact them to confirm services and licensing.

Buildoly is an ADU contractor offering full-service construction for detached ADUs, garage conversions, granny flats, JADUs, and backyard cottages. They manage design, permitting, and building, helping homeowners add rental income or family housin... read more

Build ADU Home Remodel is a trusted, licensed general contractor serving homeowners throughout the Inland Empire with full-service ADU construction. Whether you're looking to add rental income, house extended family, or increase your property valu... read more

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

ADU San Diego is a licensed contractor specializing in accessory dwelling unit design and construction across San Diego County. Services include garage conversions, detached ADUs, and JADUs, with costs ranging from $100,000–$400,000.

Santa Cruz Construction Experts builds ADUs in Scotts Valley, CA, including detached units, granny flats & in-law suites. They also construct pool houses, garages & outdoor spaces, ensuring local code compliance.

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

8A-Concrete & Construction builds ADUs, garage conversions, and room additions in Fresno, Clovis & Visalia. Services cover foundation, framing, electrical, plumbing & interior finishes. Projects managed from permit to final inspection.... read more

High Touch Remodeling is a Los Angeles ADU contractor specializing in garage conversions. They offer full garage-to-ADU buildouts, design planning, space optimization, and code compliance, with free estimates available.

AP Remodeling is an ADU contractor offering garage conversions, ground-up ADU builds, and home additions. Projects range from 400 to 1,200+ sq ft with budgets from $20,000 to $300,000+, serving homeowners seeking rental income, in-law suites, or e... read more

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.