ADU Contractors near Thousand Oaks, CA
Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
34.5 miles
Lux Builders offers room additions & ADU services in Los Angeles, including detached ADUs, garage conversions & second-story additions. With 20+ years experience, they manage design, permits & construction across LA County.
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J&I Construction
10054 Alondra Boulevard, Bellflower, CA 90706
47.8 miles
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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LADU
127 Broadway, Santa Monica, CA 90401
26.1 miles
LADU is a full-service ADU builder in Los Angeles managing design, permits, and construction end-to-end. Serving LA, Orange, San Diego & more counties, they offer custom and prefab ADUs with transparent pricing and free on-site evaluations.
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Alto Builders
5450 Lake Lindero Dr., Agoura Hills, CA 91301
5.9 miles
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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Safeway Construction
67 West Easy Street, Simi Valley, CA 93065
7.5 miles
Convert your garage into a legal ADU in Ventura County. Costs range $53K–$103K, with rental income of $1,700–$2,600/month and a 4–5 year payback. Safeway Construction handles design, permits & build.
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Vertebrae
725 South Los Angeles Street, Los Angeles, CA 90014
37.2 miles
Vertebrae is an LA-based, woman-owned architecture studio founded in 2012, specializing in ADU design and small-space living. Award-winning projects include the 2025 Architizer A+ Award and 2023 AIA LA Honor Award winners.
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Kitchenfer
7500 Mason Avenue, Winnetka, CA 91306
13.8 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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Cavalier Builders Inc
20121 Ventura Boulevard, Woodland Hills, CA 91364
16.9 miles
Cavalier Builders offers professional and affordable services for homeowners looking to build an ADU. ADUs can add significant value to your property, provide additional living space, or generate income as a rental. Our expertise in design, construction, and regulations ensure you receive a high-quality addition to your home and property, giving you the peace of mind that your investment is secure.
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EcoSmart Builders
21300 Victory Boulevard, Calabasas, CA 91367
15.9 miles
EcoSmart Builders is a licensed Southern California ADU contractor specializing in accessory dwelling units, home expansions, and fire rebuilds. Serving Los Angeles County, they manage design, permitting, and construction of detached, attached, garage conversion, and junior ADUs.
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Martins Construction Corp
1666 Courtney Ave., Los Angeles, CA 90046
36 miles
California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.
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Los Angeles Advanced ADU Builders
240 South Beverly Drive, Los Angeles, CA 90212
28.7 miles
Los Angeles Advanced ADU Builders offers full-service ADU construction across LA, including garage conversions, detached units, JADUs & prefab ADUs. With 20+ years experience & 500+ builds, they handle design, permits & zoning compliance.
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ADU Resource Center
600 North Brand Boulevard, Glendale, CA 91203
35.6 miles
ADU Resource Center is a Glendale, CA-based ADU contractor with 600+ completed units. They offer full-service ADU building, including design, permitting, financing, and construction of detached, attached, and garage conversion ADUs across Southern California.
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Giani Construction ADU & Remodel
2674 East Main Street, Ventura, CA 93003
19.2 miles
Giani Construction ADU & Remodel is a California-based contractor specializing in ADUs, garage conversions, JADUs, granny flats, and home remodeling, managing design, permitting, and construction from start to finish.
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Custom ADU Builder
Los Angeles, CA 90012
37.4 miles
Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
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Revival Homes
1150 South Olive Street, Los Angeles, CA 90015
36.7 miles
Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.
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Other cities in California
What you need to know
ADU Contractors in Thousand Oaks: Building in One of California's Safest Cities
Thousand Oaks, consistently ranked among the safest and most livable cities in California, presents unique opportunities for homeowners looking to expand their living space through Accessory Dwelling Units (ADUs). Nestled in Ventura County at the edge of the Santa Monica Mountains, this master-planned city blends suburban comfort with natural beauty. With a strong housing demand and high property values, hiring experienced ADU contractors in Thousand Oaks is a smart investment for homeowners looking to add rental income, house family members, or increase property value.
Understanding ADU Regulations in Thousand Oaks
ADU construction in Thousand Oaks is governed by both California state law and the City of Thousand Oaks Municipal Code. Since California passed landmark ADU legislation in 2020, local jurisdictions must comply with state minimums, making it easier than ever to build an ADU. Key regulations that your ADU contractor must navigate include:
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot setback from rear and side property lines is required for most ADUs.
- Height limits: Detached ADUs are generally limited to 16 feet in height, though this can vary based on proximity to the main structure.
- Owner-occupancy: As of 2020, California suspended owner-occupancy requirements for ADUs until 2025, allowing more flexibility for Thousand Oaks homeowners.
- Parking: In many cases, ADUs in Thousand Oaks do not require additional parking spaces, especially when located near public transit.
Types of ADUs Popular in Thousand Oaks
Given the city's mix of single-family homes, hillside properties, and larger lots, Thousand Oaks ADU contractors frequently work on a variety of ADU types. The most common projects include:
- Detached ADUs: Standalone structures built in backyards, ideal for the spacious lots common in neighborhoods like Lang Ranch and Wildwood.
- Garage Conversions: Transforming existing attached or detached garages into fully functional living units.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of a home, often from a bedroom or bonus room.
- Attached ADUs: Additions built onto the side or rear of the primary residence.
Choosing the Right ADU Contractor in Thousand Oaks
Selecting a qualified ADU contractor in Thousand Oaks, CA is critical to ensuring your project meets all local and state building codes. Look for contractors who are licensed by the California Contractors State License Board (CSLB), have experience pulling permits through the City of Thousand Oaks Community Development Department, and carry proper liability insurance. A skilled contractor will handle everything from design and permitting to construction and final inspection, ensuring your ADU is completed efficiently and legally.