ADU Contractors near Thousand Oaks, CA

Econstruct Inc

25350 Magic Mountain Parkway, Valencia, CA 91355 23.4 miles

Prefab Specialist

Econstruct Inc is a Los Angeles ADU contractor offering full-service construction of accessory dwelling units. With 40+ pre-approved designs and 3D/AR tools via Ohana Dwellings, costs range from $200K–$450K+.

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Addition Building & Design Inc.

4335 Van Nuys Boulevard, Sherman Oaks, CA 91403 24.5 miles

Luxury Builds

Addition Building & Design Inc. is a Los Angeles design-build firm offering custom home building, additions, renovations, ADU construction, and outdoor living spaces. Their integrated approach covers planning, permitting, and construction for ... read more

CCS Inc.

5535 Balboa Boulevard, Encino, CA 91316 21.3 miles

Licensed

CCS Inc. offers ADU construction, garage conversions, remodeling & permit services in Long Beach, CA. Costs range from $100K–$400K+, with timelines of 4–14 months. Free consultations available for eligible residential properties.

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Ivy Builders

12100 Wilshire Boulevard, Los Angeles, CA 90025 25.5 miles

Ivy Builders is a top ADU contractor in Los Angeles & Orange County, specializing in detached ADUs, granny flats & backyard cottages. Offering pre-approved plans, full permitting, and custom builds ranging from $200K–$500K.

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RD Fast Construction

3603 San Pedro Street, Los Angeles, CA 90011 37 miles

RD Fast Construction offers ADU garage conversions in Los Angeles, helping homeowners add property value, rental income, guest space, or housing for adult children using existing infrastructure for cost-effective results.

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Socal Upgrades ADU

1288 North Verdugo Road, Glendale, CA 91206 37 miles

Licensed Free Consultation In-House Architect

SoCal Upgrades is a full-service ADU contractor in Los Angeles & Glendale, specializing in detached ADUs, garage conversions, JADUs & granny flats. They handle design, permits, construction & financing for a seamless, turnkey experience. read more

Other cities in California

• North Highlands
• Sacramento
• North Hollywood
• Agoura Hills
• Encino
• Los Angeles
• Tarzana
• Long Beach
• Hollywood
• Glendale
• Valley Village
• Pasadena
• Burbank
• Downey
• Beverly Hills

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:

1. Detached ADUs: Standalone structures built in backyards, ideal for the spacious lots common in neighborhoods like Lang Ranch and Wildwood.
2. Garage Conversions: Transforming existing attached or detached garages into fully functional living units.
3. Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of a home, often from a bedroom or bonus room.
4. 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.