Randal G. Winter Construction, Inc.
    (805) 551-2861Free Consultation
    Accessory Dwelling Units (ADU) in Thousand Oaks
    Accessory Dwelling Units (ADU) in Thousand Oaks, Ventura County

    Build an ADU on Your Thousand Oaks Property.

    We design and build ADUs across Thousand Oaks and Ventura County, managing every step from permits to final inspection. Rental income, multigenerational living, or a home office, built right.

    44+
    Years in Business
    500+
    Projects Completed
    100%
    Licensed & Insured

    Free Consultation

    We'll respond within 1 business day.

    Your information is private and will only be used to reach out about your project.

    44+ Years Experience
    Family-Owned & Operated
    Licensed, Bonded & Insured
    ICC Certified
    Full-Service Design-Build
    Free Consultation
    Accessory Dwelling Units (ADU) in Thousand Oaks, Ventura County

    We Build in Thousand Oaks. We Know Thousand Oaks.

    We know Thousand Oaks block by block. From Newbury Park, Westlake Village area, North Ranch, Lynn Ranch, Wildwood, and everywhere in between, we've worked on homes across Ventura County for over 44+ years. In Thousand Oaks, the HOA and the heritage-oak ordinance shape the project as much as the floor plan. We manage the design-review and permitting layers so your remodel actually gets approved.

    Permitting in Thousand Oaks has its own personality, and it directly affects your accessory dwelling units (adu) project. City of Thousand Oaks Building Division. Many neighborhoods carry active HOA design review (North Ranch, Dos Vientos, Westlake-adjacent), which adds an approval layer on top of city permitting. Thousand Oaks buyers expect a high-end finish level and HOAs here are strict, so we handle architectural review submittals as part of the process. Hillside and oak-protected lots (the city protects heritage oaks) require care with grading and tree setbacks. Wildfire interface zones in the hills mean fire-hardening details matter. Our ICC-certified team handles every layer of the approval process so your accessory dwelling units (adu) moves forward without surprises.

    When you hire us for your accessory dwelling units (adu) in Thousand Oaks, you're getting a contractor who understands the difference between a Mediterranean or traditional home and a tract build. We spec materials and methods that fit the home and the neighborhood, not a one-size-fits-all approach.

    Neighborhoods We Serve in Thousand Oaks

    Newbury ParkWestlake Village areaNorth RanchLynn RanchWildwoodConejo OaksDos Vientos
    Why Homeowners in Thousand Oaks Choose Us

    One Team. One Process. One Income-Generating ADU.

    ADU projects in Thousand Oaks go wrong when the contractor doesn't know the local rules. We handle everything in-house: design, permitting, construction, and finish. You have one point of contact from start to final walkthrough.

    1. Design-Build Under One Roof

    No coordinating between separate designers, engineers, and contractors. We handle design, planning, permitting, and construction for your Thousand Oaks ADU, fully integrated from the first meeting.

    2. California ADU Expertise

    State law has streamlined ADU approval, but local rules still vary. City of Thousand Oaks Building Division We'll walk you through what's allowed on your specific Thousand Oaks lot.

    3. Clear Timelines, Honored Commitments

    Written agreements include start and completion expectations. We set realistic schedules and we stick to them, because your time matters.

    4. Skilled Specialists, Not Generalists

    Our team includes trade specialists in framing, foundation, plumbing, electrical, and finish carpentry. Every element of your ADU handled by someone who does it every day.

    Accessory Dwelling Units (ADU) in Thousand Oaks
    44+
    Years of Craftsmanship
    How It Works

    From First Call to Final Walkthrough

    We've built ADUs across Ventura County for years. Here's the process we've refined to make your Thousand Oaks ADU project as smooth as possible.

    01

    Free Consultation

    We meet at your property to evaluate the lot, discuss your ADU goals, and explain California ADU rules and local permitting requirements.

    02

    Design & Estimate

    We develop plans and a written estimate. You see the real numbers and approve every design decision before construction begins.

    03

    Permitting

    We handle all ADU permit applications, including local jurisdiction and coastal-zone requirements where applicable. No paperwork headaches for you.

    04

    Construction

    Our trade specialists build your ADU with precision, from foundation to finish. Regular updates and direct access throughout.

    05

    Final Walkthrough

    We walk the completed ADU with you and ensure every detail meets your expectations.

    Our Work

    ADUs We've Built Across Ventura County

    Every ADU in our portfolio was designed for how the homeowner plans to use it, rental income, family, or office. Here's a look at some of our completed ADU projects, including work in and around Thousand Oaks.

    Custom home and remodel project
    Home addition and remodel detail
    Custom home interior
    Request Free Estimate
    What Our Clients Say

    Real Projects. Real Homeowners.

    Common Questions

    Answers Before You Ask

    Get Started Today

    Request Your Free Consultation in Thousand Oaks

    Tell us about your ADU goals and we'll reach out to schedule a no-pressure consultation at your property in Thousand Oaks. We'll evaluate the lot, explain California ADU rules, and discuss what's feasible. No cost, no commitment.

    Call or text: (805) 551-2861
    Email: info@rgwinter.com
    Monday - Friday: 8:00 am - 4:30 pm; Sat/Sun Closed
    Nearest office: Corporate (28348 Constellation Road, Unit 810, Santa Clarita, CA 91355)

    Free Consultation

    We'll respond within 1 business day.

    Your information is private and will only be used to reach out about your project.