28346 Old Springs

Castaic, CA
$ 2,300,000 Beds 5 Baths 6 Sq 4,159 Virtual Tour
Monthly Estimate* How much can I afford?

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!

Single Family

  • Price
  • $ 2,300,000
  • City
  • Castaic
  • Bedrooms
  • 5
  • Full Bathrooms
  • 6
  • County
  • LOS ANGELES
  • Half Bathrooms
  • 0
  • Area
  • Hasley Canyon
  • Lot Size
  • 0.5105 Acres
  • Zip
  • 91384
  • Sqr Footage
  • 4,159
  • Year Built
  • 2022
  • Style
  • Single Family Residence
  • MLS#
  • SR26137375
Listed By: Christie Locke - BRE#02031344 with RE/MAX Gateway 661-904-3635;
Data Source: Crisnet MLS

Features

General

Living Area 4159.00
Sewer Public Sewer
Heating Solar
Cooling Dual,Central Air
HOA Fee 385.00
Garage Spaces 3.00
Pool Features Private
Year Built 2022
Neighborhood Williams Ranch
View Panoramic
Assessments Special Assessments,CFD/Mello-Roos
Levels Two
Property Subtype Single Family Residence
Community Features Mountainous,Sidewalks,Suburban
Assoc Fee Paid Per Monthly
County Los Angeles
Property Type Residential
Association Amenities Hiking Trails,Pool,Outdoor Cooking Area,Spa/Hot Tub,Picnic Area
HOA Yes
Attached Garage Yes
Subdivision Name Williams Ranch (WILRCH)
Full Baths 6
Directions I-5 N Exit Hasley Canyon,2nd Exit at Roundabout,2nd Exit at Roundabout,R on Cambridge,L on Hayworth,L Old Springs
City Castaic
Listing Agent Christie Locke - BRE#02031344
Association Name Williams Ranch
Entry Location Front Door
High School District William S. Hart Union
Number Of Units Total 1
MLS Area HASC - Hasley Canyon
Lot Size Units Square Feet
Lot Size Square Feet 22238.00
Subdivision Name Williams Ranch (WILRCH)
Attached Structure Detached
Price Per Square Foot 553.02
Virtual Tour https://www.zillow.com/view-imx/fdf62886-30de-4188-a3f2-eee2b95a58a4?setAttribution=mls&wl=true&initialViewType=pano&utm_source=dashboard
Assessments Y/N Yes
Structure Type House
Living Area Units Square Feet
Standard Status Active
Year Built Source Public Records
Tax Lot 134

Interior Features

Fireplace Features Living Room
Total Stories 2
Common Walls No Common Walls
Air Conditioning Y/N Yes
Heating Y/N Yes
Laundry Y/N Yes
Fireplace Y/N Yes
Laundry Features Inside,Individual Room,Upper Level
Total Bedrooms 5
Entry Level 1
Room Type Office,Main Floor Bedroom,Loft,Primary Suite
Main Level Bedrooms 1
Main Level Bathrooms 2
Full + 3/4 Baths 6
LivingAreaSource Assessor
Total Baths 6

Exterior Features

Lot Features 0-1 Unit/Acre
Water Source Public
Total Parking 3.00
Lot Size Area 22238.0000
Lot Size Acres 0.5105
Lot Size Source Assessor

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Beverly Hills, CA office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Unknown Elementary School
Middle School Unknown Middle School
High School Unknown High School

Price History

7/1/2026 Listed $2,350,000
7/24/2026 2% - $2,325,000
8/18/2026 2% - $2,300,000

Property vs Zip Code Average in 91384

Price
AVG $970K
$2.3M
Year Built
AVG 1998
2022
Visits
AVG 91
68
Data Provided by Inside Real Estate®

In The Neighborhood

Areas That We Cover

28346 Old Springs Castaic, CA is a Single Family Home for sale at $2300000 with 4159 sqft and a lot size of 0.5105 Acres Acre(s). 28346 Old Springs Castaic has 5 bedrooms, 6 baths and was built in 2022. The property's zip code is 91384 which is in Castaic, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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Karen Harrosh

Karen Harrosh

310-388-3455

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