Listed by Michael Brunette•DRE #01258266• Williams Homes Inc.
Contact: 970-619-0314
For sale
$1,719,900
Est. $11,416/mo —
4
bd
•
4.5 ba
•
2,847
sq ft
28422 Old Springs Rd, Castaic, CA 91384
Williams Ranch built by Williams Homes - Los Angeles County
About this home
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.
Model Home Hours Sunday & Tuesday-Saturday: 10:00 AM - 6:00 PM Monday: 1:00 PM - 6:00 PM Williams Ranch is a master-planned community in the Santa Clarita Valley offering wide open spaces, scenic views, and a collection of expertly designed floorplans on spacious homesites. Homes are set on expansive lots ranging from approximately 7,000 to 23,000 square feet, with select plans offering options such as RV garages, guest suites, and accessory dwelling units. The community features a variety of planned amenities including a recreation center with pool and spa, indoor and outdoor gathering spaces, and an amphitheater. Open space, vineyards, citrus groves, and neighborhood parks are woven throughout the community, creating a natural and connected living environment.
MODEL HOME. .. LOTS OF PREMIUM UPGRADES! Ridgeline plan 12 is a single-story home with 2,847 square feet and an optional ADU that offers 527 square feet of additional living space, totaling 3,374 approximate square feet. The open floorplan flows seamlessly from one room to another from the huge kitchen with the walk-in pantry, to the dining room covered with windows, to the great room that leads to the covered outdoor room. The secondary bedrooms are conveniently located on the opposite end from the primary bedroom. The primary bedroom offers views of the backyard, a private bath, and walk-in closet. Down the hall is an office that has the option of becoming a multi-gen suite with its own private entrance. The 2-car garage has the option of becoming a 3-car garage or adding an R. V. garage. The optional ADU would be above the garage and has a kitchen, living area, bedroom, full bath, and laundry area.
CRMLS #SR26138775
Jul 19, 2026
Price Changed
$1,719,900
$604/sq ft
Jun 26, 2026
Listed
$1,769,900
$622/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$19,835 (+4.1%)
$268,423 + $1,136,116
$1,404,539
2024
$19,061 (+555.6%)
$268,423 + $1,136,116
$1,404,539
2023
$2,908 (+2.2%)
$263,160 + $1,113,840
$1,377,000
2022
$2,844
$72,837
Public record
Public record
Zoning
Permits
Beds
4
Baths
5
Stories
—
Lot width
—
Lot depth
—
Lot size
0.32 Acres
Year renovated
2022
Finished Sq. Ft.
2,928
Unfinished Sq. Ft.
—
Total Sq. Ft.
2,928
Year built
2022
Style
Single Family Residential
County
Los Angeles County
APN
2866065034
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 30, 2026.
A-2-2
Heavy Agricultural
The Agricultural Zones A-2 are established to permit a comprehensive range of agricultural uses in areas particularly suited for agricultural activities. Permitted uses are intended to encourage agricultural activities and other such uses required for, or desired by, the inhabitants of the community. An area so zoned may provide the land necessary to permit low-density single-family residential development, outdoor recreational uses, and public and institutional facilities.
Permitted uses
Include but are not limited to:
Garden center
Housing-Group
Housing-Senior
Infrastructure
Jul 20, 2023 • Final
Plumbing permit (simple) - county
Install a gas line for a barbecue.
Gas
Jan 28, 2023 • Final
Unincorporated building residential - tract home
Construct a new single-family home with a garage, porch, and outdoor room. Include an additional recreational vehicle garage.
Addition
New construction
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Local insights from Redfin agents
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