28346 Old Springs, Castaic, CA 91384

Single-Family · For sale · $2,350,000 · MLS# SR26137375

Single-Family for sale in Southern California — $2,350,000. 5 beds · 6 baths · 4,159 sqft. 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,…

28346 Old Springs
For sale

$2,350,000

28346 Old Springs, Castaic, CA 91384

5beds
6baths
4,159sqft
Single-FamilyProperty type
2022Year built
0.51 acresLot size
4,159 sqftLiving area
$565/sqftPrice / sqft
$385/moHOA
3 spacesGarage

Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 5
  • Bathrooms: 6
  • Full bathrooms: 6

Heating

  • Heating: Solar

Cooling

  • Cooling: Central Air, Dual

Appliances

  • Laundry: Inside, Laundry Room, Upper Level

Interior area

  • Living area: 4,159 sqft

Property

Parking

  • Total parking spaces: 3
  • Garage spaces: 3

Lot

  • Lot size: 0.51 acres

Features

  • Pool features: Private, Association
  • View: Panoramic

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 2022

Community & HOA

Community

  • Has HOA: Yes
  • HOA fee: $385/mo

Financial & listing details

  • Days on market: 17 days
  • Price / sqft: $565
  • Status: Active
  • MLS#: SR26137375

Location

  • City: Castaic
  • ZIP: 91384

About this home

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!

Listing updated: July 2, 2026 at 6:43 AM

Listed by: Christie Locke, RE/MAX Gateway

Source: CRMLS, MLS#: SR26137375, Originating MLS: California Regional MLS

Location

Explore parks, streets, and what's around this home.

Castaic

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Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 5
  • Bathrooms: 6
  • Full bathrooms: 6

Heating

  • Heating: Solar

Cooling

  • Cooling: Central Air, Dual

Appliances

  • Laundry: Inside, Laundry Room, Upper Level

Interior area

  • Living area: 4,159 sqft

Property

Parking

  • Total parking spaces: 3
  • Garage spaces: 3

Lot

  • Lot size: 0.51 acres

Features

  • Pool features: Private, Association
  • View: Panoramic

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 2022

Community & HOA

Community

  • Has HOA: Yes
  • HOA fee: $385/mo

Financial & listing details

  • Days on market: 17 days
  • Price / sqft: $565
  • Status: Active
  • MLS#: SR26137375

Location

  • City: Castaic
  • ZIP: 91384

Price history

DateEventPrice
7/01/2026Source: CRMLS, #SR26137375Listed for sale$2,350,000$565/sqft
California Regional Multiple Listing Service (CRMLS)

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.

Based on information from California Regional Multiple Listing Service, Inc. as of 2026-07-02 06:43:43 PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information