Attached ADU near Simi Valley, CA
DB Construction
4555 Valley Boulevard, Los Angeles, CA 90032
27.2 miles
DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion.
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Homeplex
421 West Broadway, Long Beach, CA 90802
46.6 miles
Prefab vs. stick-built ADUs explained. Homeplex offers the Clever ADU, an HCD-certified modular unit built all-electric in a factory, saving 5–6 months vs. traditional construction. Costs vary based on site conditions.
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Productive Home Renovation Inc
7241 Lankershim Boulevard, North Hollywood, CA 91605
22.3 miles
Productive Home Renovation Inc offers full-service room additions, including porches, upper stories & interior expansions. They handle permits, planning & construction, ensuring code compliance & durable results tailored to each homeowner's needs.
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Progressive Builders LA
7445 Topanga Canyon Boulevard, Canoga Park, CA 91303
9.5 miles
Progressive Builders LA offers full-service ADU construction in Los Angeles, handling detached ADUs, garage conversions, granny flats & in-law suites. Custom design, quality materials, on-time delivery & accessible pricing for all project sizes.
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Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
48.1 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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ADU Los Angeles
3744 Flower St, Los Angeles, CA 90007
31.6 miles
ADU Los Angeles (ADLA) is a specialized ADU contractor serving LA County. They offer consulting, custom design, construction, garage conversions, basement ADUs, attached and detached units, helping homeowners maximize property value.
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Bonny Builders Group
P.O. Box 2723 Oxnard, CA, Oxnard, CA 93034
24.8 miles
Bonny Builders Group specializes in Accessory Dwelling Units (ADUs), including garage conversions, granny flats & detached units. With 39 years of experience, they handle permits, design, and construction to code.
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Ofir Construction
20641 Schoolcraft Street, Winnetka, CA 91306
11.6 miles
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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Kitchenfer
7500 Mason Avenue, Winnetka, CA 91306
7.6 miles
Kitchenfer is a residential remodeling contractor specializing in kitchen renovation and home improvement. They may also support ADU projects, garage conversions, and in-law suites. Contact them to confirm services and licensing.
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Bevyhouse
2215 Palma Dr, Ventura, CA 93023
25.7 miles
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 every step of the way until your custom project comes to completion.
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IBA Builders
13743 Ventura Boulevard, Sherman Oaks, CA 91423
19.1 miles
Garage conversion to ADU in Los Angeles requires structural upgrades, permits, and utility connections. IBA Builders evaluates ceiling height, slab condition, setbacks, and utility access before design begins, ensuring code compliance and accurate project scoping.
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Esco Builders Inc
Downey, CA 90242
42.2 miles
California ADU Center INC
7542 Laurel Canyon Boulevard, Los Angeles, CA 91605
23.7 miles
California ADU Center INC specializes in ADU planning, design, and construction across California. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites. They manage permitting and navigate California's ADU regulations for homeowners.
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New Birth Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
23.6 miles
New Birth Builders believes that a room addition or Garage Conversion is a great way to increase your home’s value and this new space can be used in a variety of ways. For most homeowners adding a room is less cost efficient and stressful than having to sell their home and move to a bigger home.
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Urbane Design
8619 Reseda Boulevard, Northridge, CA 91324
12.7 miles
Urbane Design is a Los Angeles ADU contractor offering design, planning, and permitting for attached and detached ADUs. Services include 3D floor plans, engineering plans, and permit processing with transparent pricing and free consultations.
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What you need to know
Searching for top Attached ADU ADU Contractors in Simi Valley, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Attached ADU ADU Contractor in Simi Valley ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Attached ADU professionals can guide you through every step.
Simi Valley homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in Simi Valley, California, and get started today.