28346 Old Springs
Castaic, CA, 91384
$2,400,000
5 Beds
6 Baths
4,159 SqFt
0.51 Acres
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MLS #SR26072778 image #0
It’s not just a home…Its an EXPERIENCE; An experience of truly elevated living in this one-of-a-kind Williams Ranch showpiece in Castaic. Built in 2022, this stunning 5-bedroom, 5.5-bathroom home offers 4,156 sq ft, redefining luxury living on the largest lot in the community sprawling over 22,238 sq ft. Designed to impress, the property showcases panoramic views, a state-of-the-art pool and spa, private basketball court, putting green, and exceptional upgrades throughout. Inside, the home blends modern elegance with spacious, thoughtfully designed living areas ideal for both everyday comfort and high-end entertaining. Entertain in the living space downstairs or in the upstairs loft, and work from home in the downstairs office. Potential for multi-generational living with a bedroom on main floor with en-suite bathroom. The primary suite is an absolute dream with ensuite spa-like bath, spacious closet, and panoramic views from the balcony. Each bedroom has its own bathroom, or one just outside of the bedroom door. A 3-car garage and two Tesla Powerwalls add convenience, efficiency, and cutting-edge functionality to this extraordinary residence. This is a rare opportunity to own one of Williams Ranch’s most exceptional homes. Welcome to the perfect balance of luxury, lifestyle, and innovation…WELCOME HOME!

Property Details

Price:
$2,400,000
MLS #:
SR26072778
Status:
Active
Beds:
5
Baths:
6
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Williams Ranch WILRCH
Neighborhood:
haschasleycanyon
Listed Date:
Apr 10, 2026
Finished Sq Ft:
4,159
Lot Size:
22,238 sqft / 0.51 acres (approx)
Year Built:
2022
PoolHasc – Hasley CanyonHaschasleycanyonWilliams Ranch WilrchWilliam S. Hart UnionPanoramic

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Schools

School District:
William S. Hart Union

Interior

Bathrooms
6 Full Bathrooms
Cooling
CA, DL
Heating
SO
Laundry Features
IR, IN, UL
Levels
U
Main Level Bathrooms
2
Main Level Bedrooms
1

Exterior

Attached Garage YN
1
Common Walls
NCW
Community Features
SDW, SUB, MTN
Garage Spaces
3
Parking Spots
3
Parking Total
3
View
PA

Financial

HOA Fee
$385
HOA Fee Frequency
MO

Map

Community

Market Summary

Current real estate data for Single Family in Castaic as of Apr 12, 2026
68
Single Family Listed
56
Avg DOM
369
Avg $ / SqFt
$731,814
Avg List Price

Property Summary

    Located in the Williams Ranch (WILRCH) subdivision, 28346 Old Springs Castaic CA is a Single Family for sale in Castaic, CA, 91384. It is listed for $2,400,000 and features 5 beds, 6 baths, and has approximately 4,159 square feet of living space, and was originally constructed in 2022. The current price per square foot is $577. The average price per square foot for Single Family listings in Castaic is $369. The average listing price for Single Family in Castaic is $731,814.

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28346 Old Springs
Castaic, CA