DECLA Inc. is a multidisciplinary architecture, engineering, real estate, and construction firm developing ADU services, including detached ADUs, garage conversions, granny flats, in-law suites, JADUs, and backyard cottages. Coming soon.
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ADU1 helps multifamily property owners add ADUs to boost income. Add up to 25% more units plus 2 detached ADUs. Services include a $250 feasibility report, full design-build, and free weekly Q&A sessions every Wednesday.
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Zieba Builders, a Southern California design-build firm, was named one of the top 7 ADU contractors in Long Beach by Home Builder Digest. They specialize in custom homes, garage conversions, granny flats & detached ADUs.
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Our turn-key design and construction process connects your directly with our talented team of designers and engineers and puts the control of customizing your project directly at your fingertips. We’ll develop awesome designs and work with you e... read more
Royalty Builders is a full-service ADU builder in Los Angeles offering in-house design, engineering & construction. They provide competitive pricing, permit management & turnkey delivery for detached ADUs from 500–750 SF.
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Thousand Oaks Elite ADU Builder specializes in detached ADUs, attached ADUs, and garage conversions. Services include design, permitting, and full construction, built to California Title 24 standards for rental, multigenerational living, or home o... read more
Saunders Construction Renovation Inc offers ADU construction in Torrance, Redondo Beach & Palos Verdes Peninsula. Services include detached ADUs, garage conversions & granny flats. BBB A+ rated South Bay contractor.
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Joel & Co. Construction, serving Los Angeles since 1983, offers expert residential & commercial construction, including custom homes, kitchen & bathroom remodels, ADUs, room additions, and general contracting across Beverly Hills, Sant... read more
Raudes Construction builds ADUs including garage conversions, granny flats & detached units. They handle permits, zoning compliance & full construction. Costs range from $50K to $300K+, with timelines of 3–6 months.
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Pomona General Contractors offers ADU construction in Pomona, including detached ADUs, attached ADUs, and garage conversions. Services cover permitting, 3D design, energy-efficient builds, and full construction management for granny flats, in-law ... read more
ADUs (granny flats/backyard cottages) boost property value & rental income. Bunch Design, LA, offers custom & pre-designed ADUs: Garage Studio ($300K+), Cottage ($400K+), Stop Making Sense ($425K+), and Step ADU ($425K+).
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My Space Remodeling Inc. is a licensed ADU contractor in Westlake Village, CA, specializing in ADU design, construction, and garage conversions. They offer free estimates, financing, and hold an A+ BBB rating.
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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
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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Ofir Construction Inc. is a Los Angeles ADU contractor with nearly 20 years of experience. They specialize in ADU builds, garage conversions, and in-law suites, managing permits, planning, and construction while following California building codes... read more
Porter Ranch is one of Los Angeles' most prestigious master-planned communities, nestled in the northwestern San Fernando Valley foothills. Known for its upscale homes, gated neighborhoods, and proximity to the Santa Susana Mountains, Porter Ranch presents both exciting opportunities and specific challenges for ADU contractors. The community's hillside terrain, HOA-governed streets, and high property values make accessory dwelling units a particularly attractive investment for homeowners looking to maximize their real estate assets.
Since Porter Ranch falls within the City of Los Angeles jurisdiction, ADU contractors must comply with the LA Department of Building and Safety (LADBS) regulations. Key rules include:
Many Porter Ranch properties fall within homeowners associations, which can impose architectural review requirements and design standards. While California law (AB 670) prohibits HOAs from outright banning ADUs, they can still enforce reasonable design standards. Experienced ADU contractors in Porter Ranch understand how to navigate these HOA approval processes while keeping projects compliant. Additionally, the hillside and sloped terrain common in Porter Ranch often requires specialized grading, foundation work, and geological assessments, which can add complexity and cost to ADU construction projects.
With median home values in Porter Ranch consistently among the highest in the San Fernando Valley, adding an ADU is a smart financial strategy. Homeowners are building ADUs for several reasons:
Selecting a qualified ADU contractor in Porter Ranch, CA is critical to a successful project. Look for contractors who are licensed by the California Contractors State License Board (CSLB), have direct experience with LADBS permitting processes, and understand the specific geological and architectural demands of hillside construction. A reputable contractor will handle everything from design and permitting to construction and final inspection, ensuring your ADU is built efficiently, legally, and to the highest standards expected in this premier Los Angeles community.