Building an ADU in Riverside takes 8–16 months. JDB Builders guides homeowners through design (1–3 months), permitting (2–4 months), construction (4–8 months), and final inspections (1–2 months) for granny flats, garage conversions, and more.
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ADU Builder LA is a full-service ADU contractor in Los Angeles, managing every phase of accessory dwelling unit projects. They offer transparent pricing, expert guidance, and handle all permitting. Services include detached ADUs, attached ADUs, garage conversions, and JADUs.
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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.
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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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Ground Up Builders helps Alhambra homeowners build fully permitted ADUs, including garage conversions, detached units, and backyard cottages. As a design-build ADU contractor, they manage design, permitting, and construction.
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J&I Construction is a trusted ADU contractor offering full-scope accessory dwelling unit services, including detached ADUs, garage conversions, granny flats, in-law suites, JADUs, and backyard cottages. Free consultations available.
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Sterling-Watson Collective is a full-service ADU contractor in Los Angeles offering design, permitting, structural engineering & construction management for accessory dwelling units, helping homeowners add rental units, guest suites & more.
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Beach Builders Custom Homes offers full-service ADU and garage conversion services in Los Angeles and Orange County. From permits to construction, they build granny flats, backyard cottages, and JADUs with smart home tech, earning homeowners $1,200–$1,600/month.
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Aligcus is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, in-law suites, and backyard cottages. They guide homeowners through permitting and construction for all accessory dwelling unit projects.
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Create Construction is a licensed, family-owned ADU contractor serving Los Angeles, Orange, and Ventura Counties. They specialize in garage conversions, granny flats, and attached ADUs, managing design, permits, and construction from start to finish.
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Delcoi is an ADU contractor specializing in granny flats, casitas, in-law suites, detached ADUs, garage conversions, and backyard cottages. They handle permits, regulatory compliance, and quality construction to maximize living space and rental income potential.
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Arrowhead Remodeling & Design is a licensed California ADU contractor specializing in detached ADUs, garage conversions, and in-law suites. They offer free in-home consultations and manage projects from planning to completion.
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Rockwood Homes Inc., based in Torrance, CA, specializes in ADU construction, garage conversions, and home remodeling across Los Angeles County, serving cities like Long Beach, Downey, and Whittier.
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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.
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Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.
read moreLong Beach, California, is one of the most densely populated cities in Los Angeles County, with a rich mix of historic bungalows, craftsman homes, and mid-century properties. This urban density, combined with the city's proximity to the coast, makes ADU contractors in Long Beach particularly valuable for homeowners looking to maximize their property's potential. Whether you're near Belmont Shore, Bixby Knolls, or the East Village Arts District, adding an Accessory Dwelling Unit can significantly increase your property value and provide rental income in one of Southern California's most competitive housing markets.
Working with an experienced ADU contractor in Long Beach, CA is essential because the city follows both California state ADU laws and its own local zoning ordinances. Long Beach falls under the jurisdiction of the Los Angeles County building codes in some areas, but the City of Long Beach Development Services Department handles most permitting. Key regulations homeowners and contractors must be aware of include:
Hiring the right ADU builder in Long Beach means finding a licensed contractor who understands the city's specific permitting process through the Long Beach Development Services Department. The permit review process in Long Beach can take several weeks, so contractors with established relationships and experience submitting plans locally can help streamline your project timeline. Look for contractors who offer:
With a median home value well above $700,000 and strong rental demand driven by proximity to the Port of Long Beach, Cal State Long Beach, and major employment centers, ADUs offer an exceptional return on investment. A well-built ADU in Long Beach can generate between $1,500 and $3,000 per month in rental income depending on size and location. Partnering with a qualified Long Beach ADU contractor ensures your project is completed on time, within budget, and fully compliant with all local and state regulations.