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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La Tour Builders offers expert ADU construction in Laguna Niguel, CA, including garage conversions, detached units & attached additions. Licensed, insured & code-compliant, they help homeowners add rental income or multigenerational living... read more
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.read more
Coastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.
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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, enginee... read more
The Springfield by Superior ADUs is a 2-bed, 2-bath detached ADU with open-concept living, vaulted ceilings, mini-split HVAC, kitchen island, ample storage, and optional ethanol fireplace—ideal as a granny flat or in-law suite.
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Build ADU Home Remodel is a trusted, licensed general contractor serving homeowners throughout the Inland Empire with full-service ADU construction. Whether you're looking to add rental income, house extended family, or increase your property valu... read more
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.read more
ADU Cities is a California design-build firm specializing in ADUs, JADUs, garage conversions, and remodels. They manage design, permitting, and construction, helping homeowners add living space, boost property value, or generate rental income.
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Avica Construction & Development Inc is a licensed LA-based ADU contractor building detached ADUs, garage conversions, attached ADUs & JADUs across Los Angeles, Orange County & San Bernardino County, managing design, permits & cons... read more
NAMA Construction is a family-owned Los Angeles remodeling company with 75 years of experience. Services include ADU construction, kitchen & bathroom remodeling, whole house renovations, flooring, and painting across Greater LA.
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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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B&A Construction Inc. is a licensed general contractor in Manteca, CA, with 35 years of experience. Services include ADU construction, garage conversions, kitchen & bathroom remodeling, and room additions across San Joaquin and Central Val... read more
Peck General Construction builds ADUs in Orange County, Los Angeles & Inland Empire. Services include garage conversions, detached backyard cottages & granny flats. Full-service from permits to final inspection under a Design-Build model.<... read more
Aspace Studios is an LA-based design-build firm specializing in ADUs and residential expansions. They handle detached, attached, garage conversion, and JADU projects, guiding homeowners through design, permitting, and construction.
read moreCalimesa is a small, charming city nestled in the San Gorgonio Pass area of Riverside County, California. Known for its semi-rural character, scenic hillside terrain, and proximity to both the San Bernardino Mountains and Palm Springs, Calimesa presents unique opportunities and challenges for ADU (Accessory Dwelling Unit) contractors. The city's relatively low-density residential neighborhoods and larger lot sizes make it an attractive location for homeowners looking to add ADUs, whether for rental income, multigenerational living, or increased property value.
ADU contractors working in Calimesa must navigate both California state ADU laws and the City of Calimesa's local zoning and building codes. California's statewide ADU legislation, including AB 68 and SB 9, has streamlined the approval process significantly, but local requirements still apply. In Calimesa, ADU projects must comply with the city's zoning ordinances, which are administered through the Calimesa Community Development Department. Key considerations include:
Given the city's landscape and lot configurations, experienced ADU contractors in Calimesa frequently work on a variety of ADU types. The most popular options include:
Hiring a licensed ADU contractor familiar with Calimesa is essential for a smooth construction process. Local contractors understand the specific soil conditions, grading challenges posed by the hilly terrain, and the fire hazard severity zones that affect parts of the city. They are also well-versed in working with local utility providers and the Calimesa Building and Safety Division to ensure timely permit approvals.
Whether you're looking to build a new detached ADU, convert your garage, or add a junior ADU to your Calimesa home, working with a knowledgeable local contractor can save you time, money, and stress. Always verify that your contractor holds a valid California contractor's license (CSLB) and carries proper insurance before beginning any ADU project.