Listed by Michael Brunette•DRE #01258266• Williams Homes Inc.
Contact: 970-619-0314
For sale
$1,799,900
Est. $11,929/mo —
4
bd
•
3.5 ba
•
3,141
sq ft
28426 Old Springs Rd, Castaic, CA 91384
Williams Ranch built by Williams Homes - Los Angeles County
About this home
FORMER SINGLE-STORY MODEL HOME WITH UPGRADES GALORE & MASSIVE 16,000 SQ. FT. VIEW LOT! Don't miss this incredible opportunity to secure one of the very last single-story homes available in the Williams Ranch community. This spectacular Plan 13 residence was a former model home, meaning it comes absolutely loaded with upgrades galore, high-end custom finishes, and unique designer features at every single turn. Spanning an impressive 3,141 square feet of luxury living area, the home is perfectly situated on an expansive, premium 16,000 square foot lot. The outdoor space is a true private oasis, featuring a completely finished, professionally landscaped backyard adorned with beautiful, mature trees, all framing a breathtaking, picturesque view. The highly desirable single-level floor plan offers the perfect balance of grand entertaining spaces and private retreats, featuring four spacious bedrooms and 3.5 beautifully appointed bathrooms. Because this was a showcase model home, every room has been professionally curated with top-tier interior details designed for seamless indoor-outdoor California living. With its sprawling, turnkey backyard, mature landscaping, premium view orientation, and unparalleled builder upgrades, this rare property is ready for immediate enjoyment. As one of the final single-story opportunities remaining in the community, this home combines model-home sophistication with ultimate single-level convenience. 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 13 is a single-story home with 3,141 approximate square feet and 4 bedrooms and 3.5 baths. The huge island kitchen with walk-in pantry opens to the oversized great room and dining room, with both rooms having access to the backyard through sliding glass doors. The primary bedroom is tucked away on the opposite end of the home from the secondary bedrooms and office. The primary bedroom opens to the backyard, features a spa-like bath, and a walk-in closet.
CRMLS #SR26138792
Jul 19, 2026
Price Changed
$1,799,900
$573/sq ft
Jun 26, 2026
Listed
$1,849,900
$589/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$18,614 (+4.3%)
$271,544 + $1,018,551
$1,290,095
2024
$17,851 (+505.9%)
$271,544 + $1,018,551
$1,290,095
2023
$2,946 (+2.2%)
$266,220 + $998,580
$1,264,800
2022
$2,882
$67,313
Public record
Public record
Zoning
Permits
Beds
4
Baths
4
Stories
—
Lot width
—
Lot depth
—
Lot size
0.38 Acres
Year renovated
2022
Finished Sq. Ft.
3,148
Unfinished Sq. Ft.
—
Total Sq. Ft.
3,148
Year built
2022
Style
Single Family Residential
County
Los Angeles County
APN
2866065033
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
Nov 5, 2025 • Final
Sewer permit (simple) - county
Install a sewer for a new single-family home.
Plumbing
Jan 28, 2023 • Final
Unincorporated building residential - tract home
Construct a new single-family home with a garage, porch, and an outdoor room.
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
Castaic is highly sought after for its scenic surroundings, highlighted by Castaic Lake and its popular boating, fishing, and hiking opportunities. Offering a more relaxed, small-town feel, the area appeals to buyers looking for peace, space, and a...
The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...
Minimal risk of a flood reaching the building in the next 30 years
10/10 Fire Factor
71% chance of being in a wildfire in next 30 years
7/10 Heat Factor
7 days above 101° expected this year, 19 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
15 unhealthy days expected this year, 18 days in 30 years
Provided by First Street
Historical weather
Castaic, CA • 91384
Average low and high temperatures (°F)
65
46
68
48
72
48
70
47
76
52
83
56
86
56
92
62
87
60
82
54
69
48
70
48
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
90/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 12% for direct sun exposure in Castaic. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9 hrs
6.3 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 28426 Old Springs Rd
$1,769,721
$30K under list price of $1.80M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $835K to $2.2M.