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 & turnkey construction.
read more
Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
read more
ADU Designers & Builders is a full-service ADU contractor in Fullerton, CA, offering detached ADUs, garage conversions, attached ADUs & JADUs across Southern California, with expert design, permitting, solar integration & 0% financing options.
read more
LADU is a full-service ADU builder in Los Angeles managing design, permits, and construction end-to-end. Serving LA, Orange, San Diego & more counties, they offer custom and prefab ADUs with transparent pricing and free on-site evaluations.
read more
Kirmina Construction (License #1124572) is a licensed general contractor in Riverside, CA, offering home additions, ADUs, garage conversions, room extensions, and outdoor living spaces across Riverside, San Bernardino, and Orange County.
read more
MDM General Contractors offers full-service ADU construction in San Bernardino, including garage conversions, granny flats & detached ADUs. Licensed & insured, they handle design, permits, and build from start to finish.
read more
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.
read more
Waconah Construction builds custom ADUs in West Los Angeles, including backyard cottages, garage conversions, above-garage units, and granny flats. Serving Santa Monica, Venice, Brentwood & Beverly Hills, they guide homeowners through design, permitting, and construction.
read more
ADU Custom Home Source, based in Riverside, CA, specializes in custom manufactured homes and ADUs. Serving Southern California, they handle design, permitting, financing, and installation, offering granny flats, casitas, and detached ADUs.
read more
California ADU Center INC specializes in ADU planning, design, and construction across California. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites. They manage permitting and navigate California's ADU regulations for homeowners.
read more
Infinity ADU is a top ADU contractor in Long Beach, CA, specializing in attached, detached ADUs, granny flats & garage conversions. They handle design, permitting & construction, ensuring full local code compliance for a stress-free build.
read more
WM Construction is a licensed ADU contractor in Los Angeles offering full-service builds, from site assessment and design to permitting and post-construction support, helping homeowners add granny flats, garage conversions, and in-law suites compliantly.
read more
Legacy Builders LA is a trusted ADU contractor in Los Angeles with 20+ years of experience. They offer ground-up ADUs, JADUs, garage conversions & additions, delivering custom, high-quality accessory dwelling units tailored to each homeowner.
read more
ADU Hotline offers affordable ADU design and permitting in Southern California. From granny flats to garage conversions, they handle the full process in 3–4 weeks, helping homeowners add rental income or family housing efficiently.
read moreWhittier, California, famously known as the birthplace of President Richard Nixon, is a vibrant city in Los Angeles County with a rich architectural heritage and a growing demand for housing. As housing costs continue to rise across Southern California, many Whittier homeowners are turning to Accessory Dwelling Units (ADUs) as a smart solution to add living space, generate rental income, or house extended family members. Working with experienced ADU contractors in Whittier, CA is essential to navigating the city's specific building requirements and maximizing your property's potential.
Whittier follows California state ADU laws while also enforcing its own local guidelines through the City of Whittier Community Development Department. Homeowners and contractors must be familiar with these rules before breaking ground. Key regulations include:
Whittier's diverse mix of single-family homes, bungalows, and larger lots makes it well-suited for a variety of ADU types. Skilled ADU contractors in Whittier commonly build:
Choosing a licensed and experienced ADU contractor in Whittier, CA ensures your project complies with both state and local codes, passes inspections, and is completed on time and within budget. Local contractors understand the nuances of Whittier's permit process through the Community Development Department, are familiar with the city's soil conditions and neighborhood aesthetics, and can help streamline approvals. Whether you're in the Uptown Whittier area or a quieter residential neighborhood, a knowledgeable contractor will guide you from design through final inspection, making your ADU investment a success.