Detached ADU near Whittier, CA

En Builders Inc. is an ADU contractor offering granny flats, garage conversions, JADUs, and 2nd story ADUs. They also provide kitchen remodeling, bathroom remodeling, room additions, roofing, solar solutions, and more.

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 rent... read more

Angelus Construction is a Los Angeles ADU contractor with 30+ years of experience. They offer full-service ADU design, permitting, and construction, plus residential remodeling across Los Angeles and Ventura Counties.

OC Builders Group specializes in ADU construction in California, offering detached ADUs, garage conversions, granny flats & in-law suites. They help homeowners navigate permits, zoning & state regulations to add rental income or housing va... read more

Bela Development is an LA-based design-build firm with 15+ years specializing in ADU construction, garage conversions, detached ADUs, and JADUs. They manage design, permitting, and build under one roof, delivering legal living spaces that boost pr... read more

Rockwood Homes Inc., based in Torrance, CA, specializes in ADU construction, garage conversions, and home remodeling across Los Angeles County, serving cities like Long Beach, Downey, and Whittier.

Oasis Builders is a trusted ADU contractor serving Greater Los Angeles, specializing in detached ADUs, attached ADUs, and garage conversions. Costs range from $100K–$300K, with timelines of 6–12 months. Full-service: permits, blueprints & ... read more

USA Builders Pro offers 20+ years of ADU construction and home addition services. Specializing in detached & attached ADUs, room additions, permits, and zoning compliance, they help homeowners boost property value and living space.

Long Beach Elite ADU Solutions specializes in ADU construction and garage conversions in Long Beach, CA. Services include detached ADUs, JADUs, basement and above-garage units. 15+ years experience, 150+ completed projects.

Joseph Construction Builders LLC is a licensed detached ADU builder in Newport Beach & Costa Mesa, CA, with 30+ years of experience. Services include detached ADUs, garage conversions, JADUs, and home additions across Orange County.

A2Z ADUs, a Riverside, CA-based ADU contractor, builds detached and attached accessory dwelling units, in-law suites, and granny flats, managing design, permitting, and zoning compliance for homeowners seeking rental, guest, or family living space... read more

RnD Builders is a top-rated ADU builder and design-build firm serving Ventura County and Los Angeles County, specializing in ADU construction, home additions, remodels, and outdoor projects with a client-focused approach.

Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.

California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.