Detached ADU near Costa Mesa, CA

Next Level ADU Builders, serving Los Angeles, Riverside & Pico Rivera since 1997, specializes in ADU construction—detached units, granny flats & casitas—plus HVAC, remodeling & roofing, with financing options available.

ADU Cities is a California design-build firm specializing in ADUs, JADUs, garage conversions, and remodels. They manage design, permitting, and construction, helping homeowners add living space, boost property value, or generate rental income.

Huntington Beach Pro ADU Builder specializes in ADU construction, garage conversions, and detached ADUs. With 20 years of experience and 500+ projects, they offer full design-build services, permit handling, energy-efficient features, and transparent pricing.

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.

K&S Design Build specializes in ADU construction and garage conversions, offering full design-build services from concept to completion. They handle permits, city regulations, and create granny flats, in-law suites, backyard cottages, and rental units.

Trusted ADU builder in Los Angeles County specializing in granny flats, in-law suites & garage conversions. Boost property value, earn rental income & add living space with expert, code-compliant ADU construction.

Licensed Long Beach general contractor Urban Construction & Design Solutions (CA #1030683) specializes in ADU construction, garage conversions, kitchen remodels, bathroom renovations & home additions across Greater LA and Orange County.

Coastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.

Sierra Construction & Design builds custom ADUs, including guest houses, in-law suites, garage conversions & JADUs. Services cover design, permits & inspections. Boost property value & rental income with an experienced ADU contractor.

Plan your ADU project with expert guidance. Rost Architects covers key factors like setbacks, height limits, floor area, utilities, and local guidelines to help homeowners avoid costly mistakes and build compliant, well-designed accessory dwelling units.

Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.

Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.

CarbonShack Design offers expert ADU design services in Los Angeles, specializing in accessory dwelling units, detached ADUs, granny flats & in-law suites. Carbon-conscious building practices & design-first approach set them apart.

Horizon Remodeling Inc. is a full-service residential remodeling company offering kitchen, bathroom, roofing, flooring, painting, and ADU conversions. Dedicated project managers coordinate all trades, keeping projects on schedule and within budget.

Orange Innovation Inc is an ADU builder offering full-service design, engineering, and construction. Specializing in detached ADUs, granny flats, and in-law suites, they manage projects from concept to completion with a focus on budget and timeline.