J.A. Mejia Construction is a licensed ADU builder & home addition contractor in Sonoma County & the Bay Area. Services include detached ADUs, garage conversions, in-law suites & second-story additions in Santa Rosa, Petaluma & beyond.
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SFBay ADU is a Bay Area ADU contractor offering full-service design, permitting, and construction. Specializing in 600–1,200 sq ft units, they offer studio, 2-bed, garden cottage, and in-law suite options, with projects completed in as little as 6 months.
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UDA ADU is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs, and in-law suites. They handle design, permitting, and construction, offering homeowners a streamlined, full-service ADU building experience.
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We are a family-first, boutique residential design & build firm serving the Orinda and East Bay community. We’re not just service providers — we’re your neighbors. We understand the local permitting process, the hillside terrain, the fire-hazard restrictions, and the thoughtful planning needed to create homes that truly work for East Bay families.
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Karl Kardel Company offers home remodeling, additions, and ADU construction in Oakland, Pasadena, and the Bay Area. Services include detached ADUs, garage conversions, granny flats, kitchen and bathroom renovations for residential properties.
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ASL Remodeling is a California licensed ADU contractor (CSLB #1060310) with 20+ years experience and 300+ completed projects. Services include detached ADUs, garage conversions, granny flats, JADUs, and in-law suites with full design-build support.
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King David Construction is a Palo Alto ADU contractor offering full-service design, permitting & construction across the Bay Area. Specializing in detached ADUs, garage conversions & in-law suites.
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Loona Construction Inc. is a San Francisco ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They handle design, permitting, and construction, helping homeowners add rental income or family housing.
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Green Living Builders LLC is a licensed, bonded Berkeley CA general contractor specializing in ADU construction, garage conversions, home remodels, and new builds across the East Bay. Diamond Certified with deep local expertise.
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Bay Villa Builders brings over 50 years of combined experience in crafting expertly designed ADUs that enhance both your home's functionality and its value. An Accessory Dwelling Unit, or ADU, serves as an additional living space on your property.
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RWB Construction is a Lafayette, CA-based ADU contractor serving the Bay Area. They build detached ADUs, garage conversions, granny flats & in-law suites, managing design, permitting, and construction from start to finish.
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At ADU San Mateo, we combine architectural insight, construction experience, and deep knowledge of Bay Area zoning laws to deliver high quality accessory dwelling units from design through move in. Our mission is simple: to make building your ADU clear, fast, and stress free.
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PCI Construction Inc is a trusted ADU contractor offering custom accessory dwelling units, garage conversions, granny flats, and in-law suites. Licensed, bonded, and insured, they handle permitting, design, and construction efficiently.
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Todd Jersey Architecture (TJA) is a Berkeley-based sustainable design firm serving the SF Bay Area. Specializing in ADUs, remodels, new homes & historic preservation, TJA combines 30+ years of experience with a performance-driven, eco-conscious approach.
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ADORE Homes is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs & in-law suites. They manage design, permitting & construction, helping homeowners add value & living space.
read moreNewhall is one of the oldest and most historically rich communities within the City of Santa Clarita, California. Known for its charming Old Town district and its roots in the early California oil industry, Newhall presents a unique backdrop for Accessory Dwelling Unit (ADU) construction. Homeowners in Newhall looking to add an ADU must work with experienced ADU contractors familiar with Santa Clarita's specific building codes and the character-sensitive nature of this historic neighborhood.
Since Newhall falls under the jurisdiction of the City of Santa Clarita, all ADU projects must comply with Santa Clarita's ADU ordinance, which aligns with California state law (AB 68, SB 9, and related legislation). Key regulatory considerations include:
Working with a licensed ADU contractor experienced in Newhall and the greater Santa Clarita Valley is essential for a smooth permitting and construction process. The City of Santa Clarita's Building and Safety Division oversees all permit applications, inspections, and approvals. A knowledgeable contractor will handle:
Newhall's mix of older single-family homes and newer developments makes it suitable for a variety of ADU types. Garage conversion ADUs are particularly popular given the existing structures on many properties. Detached backyard cottages and Junior ADUs (JADUs) converted from existing interior spaces are also common choices for homeowners looking to add rental income or multigenerational living space.
Whether you're looking to generate rental income, house family members, or increase your property value, hiring a qualified ADU contractor in Newhall, CA is the first step. Make sure your contractor is licensed by the California Contractors State License Board (CSLB) and has verifiable experience with local Santa Clarita permitting processes.