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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ABODU offers factory-built, fire-resistant ADUs installed in a single day. HCD-approved and AB 462-compliant, their prefab units help wildfire rebuild families return home faster, with Certificates of Occupancy issued before primary dwelling completion.
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New Era Home Services LLC is a full-service ADU builder specializing in custom accessory dwelling units, including granny flats, rental units, and garage conversions, guiding homeowners through design, permitting, and construction.
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Silver Hammer Builders is a licensed ADU contractor in Los Angeles with 15+ years of experience. Services include garage conversions, detached ADUs, JADUs & in-law suites. Full project management, permits, and free consultations offered.
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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.
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Our Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our customer’s needs, by going the extra mile, especially when it comes to meeting those critical deadlines.
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Alto Builders specializes in ADU construction in Los Angeles & Ventura County. Services include detached ADUs, garage conversions & JADUs. Costs range $300–$600/sq ft, with timelines of 5–12 months.
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Vision ADU is a California ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They offer full-service design, permitting, and construction to help homeowners add value or rental income.
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Ghousetechnologies is a California ADU contractor offering steel frame accessory dwelling units. Models range from 360–1,200 sq ft. Builds are fire, flood, earthquake, and hurricane-resistant, eco-friendly, and completed faster than traditional construction.
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The ADU Pro® is a licensed ADU contractor in Chino, CA, serving Fontana and Southern California. Specializing exclusively in ADU construction, they offer detached ADUs, garage conversions, and granny flats with a lifetime transferable warranty.
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Concept Renovations Inc. is a Southern California design-build company with 20+ years in residential remodeling, ADU construction, and garage conversions. They manage design, permitting, and build phases, serving Los Angeles homeowners.
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UNI Construction builds detached and attached ADUs, handling site planning, structural engineering, and permit-ready drawings. Options include backyard cottages, granny flats, and in-law suites, all code-compliant and tailored to your property.
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i Arch Studios specializes in building ADUs above existing garages, handling structural assessment, permits, zoning compliance, utility installation, and interior finishes to deliver functional, code-compliant living spaces that add property value.
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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 property value by 20–30%.
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Velmor Construction offers full-scope ADU construction in Reseda, covering custom design, permitting, and build. Services include detached ADUs, garage conversions, and in-law suites using quality materials and local code compliance.
read moreSeal Beach, California is one of Orange County's most unique cities — a small, tight-knit coastal community with a significant senior population, largely due to the neighboring Leisure World retirement community (now known as Seal Beach Leisure World). This demographic reality makes ADU construction in Seal Beach particularly relevant, as many homeowners are looking to house aging family members or generate rental income to offset the high cost of coastal living. Working with experienced ADU contractors in Seal Beach who understand the city's specific character and regulations is essential for a successful project.
Seal Beach falls under Orange County jurisdiction for some services but maintains its own municipal code through the City of Seal Beach. ADU projects here must comply with both California state ADU law (AB 68, SB 13, AB 881, and subsequent legislation) and local zoning ordinances. Key regulatory considerations include:
The Coastal Zone overlay is one of the most important factors that sets Seal Beach apart from inland cities. Contractors unfamiliar with California Coastal Commission requirements may cause costly delays. A qualified Seal Beach ADU contractor will know how to navigate the permit process efficiently, coordinate with the city's Community Development Department, and ensure your project meets all environmental and building code standards.
Whether you're in the Old Town neighborhood, near the Seal Beach Pier, or in a surrounding residential area, hiring a knowledgeable ADU contractor in Seal Beach, CA is the first step toward maximizing your property's potential. Look for contractors with proven experience in coastal California ADU projects, strong local permit knowledge, and a transparent design-build process to ensure your investment is protected from start to finish.