Skip main navigation
New construction
    • Listed by: Williams Homes Inc. • Michael Brunette • Contact: 661-222-8207
    $1,769,900

    28422 Old Springs Rd, Castaic, CA 91384

    4beds
    2,847sqft
    : 
    Loading
    Get pre-qualified
    Single Family Residence
    Built in 2022
    0.32 Acres Lot
    $1,739,400 Zestimate®
    $622/sqft
    $385/mo HOA

    What's special

    THE FINAL RV GARAGE HOME AVAILABLE — STUNNING VIEW LOT & DESIGNER INTERIOR! Don't miss this incredible and final opportunity to own a highly coveted RV garage home in the prestigious Williams Ranch community. Situated on a massive, premium 13,923 square foot lot, this spectacular Plan 12 residence boasts 2,847 square feet of masterfully designed living space. The exterior is a true oasis, featuring a completely finished and professionally landscaped backyard adorned with mature olive trees, all framing a breathtaking, picturesque view. Inside, the home has been professionally designed with exquisite, high-end upgrades at every turn, offering a perfect blend of luxury, sophistication, and everyday functionality. The single-story floor plan is as practical as it is luxurious, featuring four spacious bedrooms, each intentionally designed with its own private en-suite bathroom for ultimate comfort and privacy. Perfect for adventure seekers and collectors alike, the massive, attached RV garage provides unparalleled storage for your toys, boat, or motorhome. Combined with the sprawling, finished outdoor space and top-tier interior curation, this home represents the pinnacle of California living. As the very last RV garage home available in the community, this rare showcase property will not last long Live on a 430-acre master planned community nestled between the Sierra Pelona Mountains. Come and be a part of a community that has an exceptional recreation center, junior-size Olympic swimming pool, and an outdoor kitchen. Here you will be surrounded by abundant open space hiking trails, numerous pocket parks, entertainment amphitheater, large citrus orchards, and working vineyards.
    21 days
    |
    218
    |
    12
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Michael Brunette DRE #01258266 970-619-0314,

    Williams Homes Inc.

    Source: CRMLS,MLS#: SR26138775MLS LogoOriginating MLS: California Regional MLS

    Loading...

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 5
      • Full bathrooms: 4
      • 1/2 bathrooms: 1
      • Main level bathrooms: 2
      • Main level bedrooms: 1
      Rooms
      • Room types: Bedroom, Family Room, Kitchen, Laundry, Loft, Living Room, Office, Other, Pantry, Dining Room
      Bedroom
      • Features: Bedroom on Main Level
      Bathroom
      • Features: Bathroom Exhaust Fan, Closet, Dual Sinks, Enclosed Toilet, Quartz Counters, Separate Shower, Upgraded, Walk-In Shower
      Kitchen
      • Features: Kitchen Island, Kitchen/Family Room Combo, Quartz Counters, Walk-In Pantry
      Other
      • Features: Walk-In Closet(s)
      Pantry
      • Features: Walk-In Pantry
      Heating
      • Central
      Cooling
      • Central Air, Dual
      Appliances
      • Included: Dishwasher, Microwave
      • Laundry: Gas Dryer Hookup, Laundry Room, Upper Level
      Features
      • Breakfast Area, Separate/Formal Dining Room, High Ceilings, Open Floorplan, Pantry, Quartz Counters, Recessed Lighting, Bedroom on Main Level, Loft, Walk-In Pantry, Walk-In Closet(s)
      • Doors: Insulated Doors
      • Windows: Double Pane Windows
      • Has fireplace: No
      • Fireplace features: None
      • Common walls with other units/homes: No Common Walls
      Interior area
      • Total interior livable area: 2,847 sqft

      Property

      Parking
      • Total spaces: 3
      • Parking features: Direct Access, Driveway, Garage
      • Attached garage spaces: 3
      Features
      • Levels: Two
      • Stories: 1
      • Entry location: 1
      • Patio & porch: Front Porch
      • Pool features: Association
      • Has spa: Yes
      • Spa features: Association
      • Fencing: Block,Wrought Iron
      • Has view: Yes
      • View description: Neighborhood
      Lot
      • Size: 0.32 Acres
      • Features: Back Yard, Drip Irrigation/Bubblers, Front Yard, Sprinklers In Front
      Details
      • Parcel number: 2866065034
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Ranch
      • Property subtype: Single Family Residence
      Materials
      • Foundation: Slab
      • Roof: Concrete
      Condition
      • Turnkey
      • New construction: Yes
      • Year built: 2022
      Details
      • Builder model: 8B
      • Builder name: Williams Homes

      Utilities & green energy

      • Electric: Photovoltaics Seller Owned
      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Features: Curbs, Park, Storm Drain(s), Street Lights, Sidewalks
      • Security: Carbon Monoxide Detector(s), Fire Sprinkler System, Smoke Detector(s)
      • Subdivision: Williams Ranch (Wilrch)
      HOA
      • Has HOA: Yes
      • Amenities included: Clubhouse, Outdoor Cooking Area, Picnic Area, Pool, Trail(s)
      • HOA fee: $385 monthly
      • HOA name: Williams Ranch
      • HOA phone: 714-285-2626
      Location
      • Region: Castaic

      Financial & listing details

      • Price per square foot: $622/sqft
      • Tax assessed value: $1,404,539
      • Annual tax amount: $19,835
      • Date on market: 6/26/2026
      • Cumulative days on market: 22 days
      • Listing terms: Cash,Conventional,1031 Exchange,VA Loan
      • Road surface type: Paved

        Estimated market value

        $1,739,400

        $1.65M - $1.83M

        $5,272/mo

        Price history

        DateEventPrice
        6/26/2026Listed for sale$1,769,900$622/sqft
        Source: CRMLS #SR26138775 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$19,835 +4.1%$1,404,539 +2%
        2024$19,061 +555.6%$1,377,000 +1790.5%
        2023$2,908 +2.2%$72,837 +2%
        2022$2,844 $71,409
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.
        Get pre-qualified

        Climate risks

        Neighborhood: 91384

        Getting around

        5 / 100
        Car-Dependent
        2 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

        A local agent can set up tours, give advice and negotiate with sellers.

        Browse local experts

        Similar homes

            • Local buyer's agents are ready to help

              Nearby cities

              Nearby neighborhoods

              Nearby zip codes

              Other Castaic Topics

                Search
                Updates
                Favorites
                Plan
                Inbox