SouthStar USA offers ADU construction in Riverside & Orange County, CA. Services include detached ADUs, attached ADUs, garage conversions & JADUs. Quality builds, permit-compliant, with transparent pricing for every project stage.
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John Christopher Construction is a Southern California general contractor specializing in ADU design and building. Serving Huntington Beach, Newport Beach, Costa Mesa & more, they offer custom and pre-engineered ADU plans for rental units, in-... read more
Giani Construction ADU & Remodel is a California-based contractor specializing in ADUs, garage conversions, JADUs, granny flats, and home remodeling, managing design, permitting, and construction from start to finish.
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Garage converted to pool house ADU by Tracy A. Stone Architect, featuring a north-south roof ridge for Tesla Solar Roof optimization, backyard visual connectivity, and a dramatic overhang for summer shading and energy efficiency.
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ADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
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A1 ADU Contractor specializes in garage conversions and custom ADU construction throughout Los Angeles and the San Fernando Valley. With over 15 years of experience, our team provides complete design, permitting, and construction services to trans... read more
Venture Tiny Home Builders, based in Camarillo, CA, builds ADUs and tiny homes with pre-designed models and custom options starting at $100,000. ANSI+ certified construction, financing options, and local permitting resources for Ojai and Los Angel... read more
Golden ADU, serving Southern California since 2021, specializes in custom ADU construction including garage conversions and detached backyard cottages. They offer flexible financing with no upfront costs, completing most projects in 6–12 months.... read more
Cornejos Builders offers ADU construction, garage conversions & home additions in LA & Orange County. 24 ADUs completed in 4 years. Costs range $80K–$250K. Licensed, insured, bonded. 1-year warranty included.
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Eureka Modular builds steel frame modular ADUs and single family homes. Steel framing offers durability, design flexibility, and sustainability. Ideal for detached ADUs, backyard cottages, granny flats, and casitas with efficient, precise construc... read more
New Dawn Construction is an ADU contractor specializing in detached ADUs, garage conversions, in-law suites, granny flats, JADUs, and backyard cottages. They guide homeowners through design, permitting, and construction for flexible housing soluti... read more
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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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
Landmark Building Inc is a Los Feliz-based general contractor serving Los Angeles neighborhoods including Hollywood Hills, Silverlake & Echo Park. They offer residential & light commercial remodeling, ADUs, garage conversions & free es... read more
Beverly Hills is one of the most exclusive and tightly regulated cities in California, and building an Accessory Dwelling Unit (ADU) here comes with a unique set of challenges and opportunities. Unlike many surrounding Los Angeles County cities, Beverly Hills operates as an independent municipality, meaning it has its own planning department, building codes, and zoning ordinances that ADU contractors must carefully navigate. The city's commitment to preserving its architectural character and high property values means that ADU projects are held to exceptionally high design and construction standards.
ADU contractors working in Beverly Hills must comply with both California state ADU law and the city's local ordinances. Beverly Hills has adopted state law provisions that allow ADUs on single-family and multifamily residential properties, but local design guidelines add additional layers of review. Key regulations include:
Given the complexity of building in Beverly Hills, hiring licensed and experienced ADU contractors who are familiar with the city's specific permitting process is essential. The Beverly Hills Building and Safety Division requires detailed plan submissions, and projects in certain hillside areas — such as those near Trousdale Estates or Benedict Canyon — may require additional geological and grading reports. Contractors must also be prepared to work with the city's Design Review process for projects that fall within specific overlay zones.
Adding an ADU to a Beverly Hills property can significantly increase its market value and rental income potential. With median home prices well above $3 million, even a modest ADU can generate substantial rental revenue, particularly given the city's proximity to major entertainment studios, Rodeo Drive, and Cedars-Sinai Medical Center. Many homeowners are converting existing guest houses, pool houses, or garages into fully permitted ADUs to maximize their property's potential.
Working with professional ADU contractors in Beverly Hills who understand local zoning laws, design standards, and the permitting process will save you time, money, and stress. Whether you're planning a detached ADU, a garage conversion, or a junior ADU (JADU), partnering with the right contractor ensures your project meets all city requirements while delivering a high-quality result worthy of one of California's most prestigious communities.