Avorino specializes in ADU construction, offering detached, attached, garage conversion, and above-garage units. Projects range from $250K–$400K, covering design, permitting, and build phases over 10–14 months.
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Ataman Studio is a trusted ADU contractor in Los Angeles, serving all of California. Full-service design, permitting, and construction for detached ADUs, garage conversions, and in-law units, with compliance to local zoning and state regulations.
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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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USModular Inc. is a Temecula, CA ADU builder specializing in modular, prefabricated construction. Units are up to 90% factory-built, completed in ~120 days, and comply with IRC and local codes. Services include feasibility studies, design, engineering, permitting, and installation.
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ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate of Occupancy.
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Pasadena Master ADU Builder is a top ADU contractor in San Gabriel Valley, offering detached ADUs, garage conversions, and JADUs. With 20+ years experience, 150+ projects, and 98% satisfaction, they deliver compliant, high-quality builds boosting property value by 20–30%.
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Accessory Dwelling Units (ADUs) offer California property owners passive income, elderly care solutions, and property value growth. Since 2020 legislation, ADU permits are easier to obtain. Construction costs range $350–$450/sq ft, with rental income potential up to $4,000/month.
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Horizon Remodeling Inc. is a full-service residential remodeling company offering kitchen, bathroom, roofing, flooring, painting, and ADU conversions. Dedicated project managers coordinate all trades, keeping projects on schedule and within budget.
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Huntington Beach Pro ADU Builder specializes in ADU construction, garage conversions, and detached ADUs. With 20 years of experience and 500+ projects, they offer full design-build services, permit handling, energy-efficient features, and transparent pricing.
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ADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage conversions, or backyard cottages.
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AMG Construction INC offers residential & commercial remodeling, new builds, ADU construction, room additions, and roofing services. Licensed and insured, they handle full projects from design to completion.
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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.
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Team All Star Construction (CSLB #1009760) is a California-licensed design-build contractor specializing in Accessory Dwelling Units (ADUs) for homeowners across Southern California. The company serves San Bernardino County, Riverside County, Orange County, Los Angeles County, San Diego County, and Ventura County.
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Solana Beach is a beautiful coastal community in the City of San Diego, where property values and flexible living are priced at a premium. An accessory dwelling unit (ADU) provides you with the opportunity to take advantage of this by increasing your home’s square footage, generating rental income, and increasing the value of your property.
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Calpacific Contracting builds ADUs, casitas & garage conversions across Riverside, Orange, LA & San Bernardino Counties. 80+ years experience. Full-service: permits, design, construction & inspections handled end-to-end.
read moreLaguna Hills, California, is a well-established master-planned city in southern Orange County, incorporated in 1991. Known for its carefully designed residential neighborhoods, hillside terrain, and proximity to major corridors like the I-5 and El Toro Road, Laguna Hills presents unique opportunities and challenges for ADU contractors. The city's hilly topography often means that grading, foundation work, and site preparation require additional expertise compared to flat-terrain cities. Homeowners looking to add an Accessory Dwelling Unit (ADU) in Laguna Hills need experienced local contractors who understand both the physical landscape and the regulatory environment.
ADU construction in Laguna Hills is governed by both California state ADU law and the City of Laguna Hills Municipal Code. Since California's landmark ADU legislation took effect, cities like Laguna Hills have been required to streamline their approval processes. However, local nuances still apply. Key regulatory considerations include:
Experienced ADU contractors in Laguna Hills work on a variety of unit types suited to the city's residential character. The most common projects include:
Choosing a licensed ADU contractor familiar with Laguna Hills is essential for a smooth building process. Local contractors understand the city's planning department requirements, are familiar with the hillside grading challenges common to the area, and have established relationships with local inspectors. This local expertise can significantly reduce delays and unexpected costs. When evaluating contractors, always verify their California Contractors State License Board (CSLB) license, request references from completed ADU projects in Orange County, and ensure they carry proper liability and workers' compensation insurance.