28346 Old Springs Castaic CA 91384 | MLS #SR26137375
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 4,159 sq ft, redefining luxury living on the LARGEST LOT IN THE ENTIRE 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. No expense was spared on the interior’s special highest tiered options. 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 in a separated wing. Two bathrooms on the main floor. 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:
$2,300,000
MLS #:
SR26137375
Status:
Active
Beds:
5
Baths:
6
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Williams Ranch WILRCH
Neighborhood:
haschasleycanyon
Listed Date:
Oct 20, 2026
Finished Sq Ft:
4,159
Lot Size:
22,238 sqft / 0.51 acres (approx)
Year Built:
2022
See this Listing
Schools
School District:
William S. Hart Union
Interior
Bathrooms
6 Full Bathrooms
Cooling
Dual, Central Air
Heating
Solar
Laundry Features
Inside, Laundry Room, Upper Level
Levels
Two
Main Level Bathrooms
2
Main Level Bedrooms
1
Exterior
Association Amenities
Trail(s), Pool, Outdoor Cooking Area, Spa/Hot Tub, Picnic Area
Attached Garage YN
1
Common Walls
No Common Walls
Community Features
Mountainous, Sidewalks, Suburban
Covered Spaces
3
Garage Spaces
3
Lot Features
0-1 Unit/Acre
Parking Spots
3
Parking Total
3
Stories
2
View
Panoramic
Financial
HOA Fee
$385
HOA Fee Frequency
Monthly
HOA Name
Williams Ranch
HOA Phone
661-344-9200
Map
Community
- Address28346 Old Springs Castaic CA
- SubdivisionWilliams Ranch (WILRCH)
- CityCastaic
- CountyLos Angeles
- Zip Code91384
Subdivisions in Castaic
- Bravo BRVA
- California Pointe CAPT
- Cambridge Collection – CAMBC
- Cambridge Collection CAMBC
- Camino del Lago CAMIN
- Castaic Oaks CSTO
- Cedarpoint@Northlake CDPT
- Cimarron at Double C CIMA
- Cimmeron Oaks CIMO
- Country Village CTYV
- Cristal CRIS
- Custom East Castaic CECAS
- Custom Hasley Canyon CHASC
- Custom North Castaic CNCAS
- Custom Northlake CNLAK
- Custom Val Verde CVVER
- Eagle Crest EAGC
- Hasley Estates HASCE
- Hidden Lake HDNL
- Hillcrest Park HLCT
- Hillgate HILG
- Lakeview LAKEV
- Marigold MGLD
- Mobile/Modular/Manufactured HASC MHASC
- Ridgewood@Northlake RWNL
- Sagewood SGWD
- Saratoga SARA
- Stonegate STGT
- The Highlands THEH
- Wild Horse WHRG
- Wildwood@Northlake WDNL
- Williams Ranch WILRCH
Market Summary
Current real estate data for Single Family in Castaic as of Oct 28, 2026
72
Single Family Listed
69
Avg DOM
440
Avg $ / SqFt
$1,075,632
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 $2,300,000 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 $553. The average price per square foot for Single Family listings in Castaic is $440. The average listing price for Single Family in Castaic is $1,075,632. To schedule a showing of MLS#sr26137375 at 28346 Old Springs in Castaic, CA, contact your Compass agent at 310.409.7242.
Similar Listings Nearby
Courtesy of RE/MAX Gateway. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than Compass include the name of the listing broker. Neither the listing company nor Compass shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.28346 Old Springs
Castaic, CA
