28346 Old Springs Rd, Castaic, CA 91384
What's special
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!
- 135 days |
- 1,318 |
- 61 |
Originating MLS: California Regional MLSTravel times
Living Room
Kitchen
Primary Bedroom
Zillow last checked:
Listing updated:
Christie Locke DRE #02031344 661-904-3635,
RE/MAX Gateway
Originating MLS: California Regional MLSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 6
- Full bathrooms: 6
- Main level bathrooms: 2
- Main level bedrooms: 1
Rooms
- Room types: Bedroom, Loft, Primary Bedroom, Office
Primary bedroom
- Features: Primary Suite
Bedroom
- Features: Bedroom on Main Level
Heating
- Solar
Cooling
- Central Air, Dual
Appliances
- Laundry: Inside, Laundry Room, Upper Level
Features
- Bedroom on Main Level, Loft, Primary Suite
- Has fireplace: Yes
- Fireplace features: Living Room
- Common walls with other units/homes: No Common Walls
Interior area
- Total interior livable area: 4,159 sqft
Video & virtual tour
Property
Parking
- Total spaces: 3
- Parking features: Garage - Attached
- Attached garage spaces: 3
Features
- Levels: Two
- Stories: 2
- Entry location: Front Door
- Has private pool: Yes
- Pool features: Private, Association
- Has view: Yes
- View description: Panoramic
Lot
- Size: 0.51 Acres
- Features: 0-1 Unit/Acre
Details
- Parcel number: 2866064024
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- New construction: No
- Year built: 2022
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Features: Mountainous, Suburban, Sidewalks
- Subdivision: Williams Ranch (Wilrch)
HOA
- Has HOA: Yes
- Amenities included: Outdoor Cooking Area, Picnic Area, Pool, Spa/Hot Tub, Trail(s)
- HOA fee: $385 monthly
- HOA name: Williams Ranch
- HOA phone: 661-344-9200
Location
- Region: Castaic
Financial & listing details
- Price per square foot: $553/sqft
- Tax assessed value: $1,984,458
- Date on market: 7/1/2026
- Cumulative days on market: 135 days
- Listing terms: Cash,Cash to New Loan,Conventional,Contract,FHA,Freddie Mac,Submit,VA Loan
Price history
| Date | Event | Price |
|---|---|---|
| 8/18/2026 | Price change | $2,300,000-1.1%$553/sqft |
Source:  CRMLS #SR26137375 Report a problem | ||
| 7/24/2026 | Price change | $2,325,000-1.1%$559/sqft |
Source: CRMLS #SR26137375 Report a problem | ||
| 7/1/2026 | Listed for sale | $2,350,000-2.1%$565/sqft |
Source: CRMLS #SR26137375 Report a problem | ||
| 6/25/2026 | Listing removed | $2,400,000$577/sqft |
Source:  NextHome #SR26072778 Report a problem | ||
| 4/10/2026 | Listed for sale | $2,400,000$577/sqft |
Source: NextHome #SR26072778 Report a problem | ||
| 4/7/2026 | Pending sale | $2,400,000$577/sqft |
Source: NextHome #SR26072778 Report a problem | ||
| 4/6/2026 | Listed for sale | $2,400,000+28.3%$577/sqft |
Source: NextHome #SR26072778 Report a problem | ||
| 1/12/2023 | Sold | $1,870,000+0.7%$450/sqft |
Source: Public Record Report a problem | ||
| 10/19/2022 | Pending sale | $1,856,108$446/sqft |
Source: CRMLS #SR22221156 Report a problem | ||
| 10/13/2022 | Listed for sale | $1,856,108$446/sqft |
Source: CRMLS #SR22221156 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $1,984,458 +2% |
| 2025 | $26,966 +4.5% | $1,945,548 +2% |
| 2024 | $25,806 +687.2% | $1,907,400 +2492.2% |
| 2023 | $3,278 +0.8% | $73,581 +2% |
| 2022 | $3,252 +238.7% | $72,139 +2% |
| 2021 | $960 | $70,725 |
Find assessor info on the county website
Monthly payment
Estimated market value
$2,246,800
$2.13M - $2.36M
$6,577/mo
Climate risks
Explore flood, wildfire, and other predictive climate risk information for this property on First Street®️.