Randal G. Winter Construction, Inc.
    (805) 551-2861Free Site Visit
    Additions & Remodels in Thousand Oaks
    Additions & Remodels in Thousand Oaks, Ventura County

    More Space in Thousand Oaks. Without the Stress of Moving.

    We design and build room additions across Thousand Oaks and Ventura County, managing every step from permits to final inspection. One contractor, one process, zero chaos.

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

    Free Site Visit

    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
    Additions & Remodels 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 additions & remodels 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 additions & remodels moves forward without surprises.

    When you hire us for your additions & remodels 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. Zero Chaos.

    Room additions in Thousand Oaks go wrong when too many contractors are involved. We handle everything in-house: design, permitting, demolition, trade work, and finish. You have one point of contact from start to final walkthrough.

    1. Design-Build Under One Roof

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

    2. Clear Timelines, Honored Commitments

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

    3. Skilled Specialists, Not Generalists

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

    4. Quality You Can See and Feel

    We don't cut corners. Randy has trained tradespeople and written on what good construction looks like, and that standard is built into every addition we take on in Thousand Oaks.

    Additions & Remodels in Thousand Oaks
    44+
    Years of Craftsmanship
    How It Works

    Clear Steps. No Surprises.

    We've built hundreds of additions across Ventura County over four decades. Here's how we run every single one, including yours in Thousand Oaks.

    01

    Free Site Visit

    We come to your home, walk the property, understand your goals, and give you honest feedback on what's feasible, at no cost.

    02

    Design & Estimate

    We develop a detailed scope, plans, and written estimate. No ballpark figures, you see the real numbers before anything begins.

    03

    Permits Pulled

    We handle all permit applications and approvals. Construction doesn't start until everything is properly permitted.

    04

    Build & Inspect

    Construction begins with your project manager on-site throughout. All inspections are scheduled and passed before we move to finish work.

    Our Work

    Additions We've Built Across Ventura County

    Every addition in our portfolio was designed to blend seamlessly with the original home. Here's a look at some of our completed addition 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 Site Visit in Thousand Oaks

    We'll come to your home in Thousand Oaks, walk the property, and give you an honest assessment of what's possible, at no cost and no obligation. Most homeowners leave the first visit with a clear picture of timeline, scope, and budget range.

    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 Site Visit

    We'll respond within 1 business day.

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