A Rare Private Estate in the Hills of Yorba Linda. Privately positioned behind an automatic gated entrance in the prestigious Mt. San Antonio Estates, this extraordinary 2.97-acre horse-zoned estate offers an exceptional combination of privacy, scale, panoramic views, and resort-style living.
Surrounded by beautifully manicured grounds, the property enjoys breathtaking, unobstructed vistas stretching toward Catalina Island, sparkling city lights, and the Chino Hills. Designed as a secluded retreat, the estate features lush landscaping, two tranquil koi ponds, a custom rock pool and spa, decorative fountain, and expansive outdoor spaces that create an atmosphere of serenity and exclusivity.
The impressive 5,546-square-foot residence has been thoughtfully refreshed with new interior paint, and beautifully Alcatraz Brazilian Cherry hardwood flooring. Offering total of 6 bedrooms and 5.5 bathrooms with 2 bedrooms downstairs. The home provides an ideal balance of elegant formal spaces and comfortable everyday living. The sophisticated floor plan includes a private office, dedicated media room, spacious bonus room, formal living and dining rooms, and an inviting family room, providing exceptional flexibility for entertaining, working from home, and multi-generational living.
Additional enhancements include eight individually controlled temperature zones, reflecting the home's attention to comfort and functionality throughout. Set on nearly three acres with equestrian zoning, impressive grounds, resort-style amenities, and commanding views, this remarkable estate presents a rare opportunity to enjoy privacy, luxury, and expansive Southern California living in one of Yorba Linda’s most desirable hillside communities. An exceptional property for the discerning buyer seeking acreage, privacy, views, and timeless estate living.
For sale
Listed by: IRES Partners Inc. • Eddie Li • Contact: 626-757-9705
$4,200,000
21350 Casino Ridge Rd, Yorba Linda, CA 92887
6beds
5,546sqft
Single Family Residence
Built in 2004
2.97 Acres Lot
$4,021,900 Zestimate®
$757/sqft
$460/mo HOA
What's special
- 13 days
- 1,257
- 93
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Eddie Li DRE #02007748 626-757-9705,
IRES Partners Inc.
Source: CRMLS,MLS#: OC26202838
Originating MLS: California Regional MLS
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 6
- Full bathrooms: 5
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 1
Rooms
- Room types: Den, Entry/Foyer, Kitchen, Laundry, Living Room
Heating
- Central
Cooling
- Central Air
Appliances
- Included: 6 Burner Stove, Built-In Range, Barbecue, Dishwasher, Microwave, Range Hood
- Laundry: Inside, Laundry Room
Features
- Balcony, Ceiling Fan(s), High Ceilings, Intercom, Multiple Staircases, Pantry, Storage
- Has fireplace: Yes
- Fireplace features: Living Room
- Common walls with other units/homes: No Common Walls
Interior area
- Total interior livable area: 5,546 sqft
Property
Parking
- Total spaces: 4
- Parking features: Door-Multi, Door-Single, Driveway, Garage, Paved
- Attached garage spaces: 4
Features
- Levels: Two
- Stories: 2
- Entry location: 1
- Has private pool: Yes
- Pool features: Heated, In Ground, Private
- Has view: Yes
- View description: City Lights, Hills, Mountain(s), Panoramic
Lot
- Size: 2.97 Acres
- Features: 0-1 Unit/Acre
Details
- Parcel number: 32620113
- Special conditions: Standard
- Other equipment: Intercom
- Horse amenities: Riding Trail
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Condition
- New construction: No
- Year built: 2004
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Features: Biking, Horse Trails, Park, Sidewalks
- Subdivision: Mount San Antonio (Mtsa)
HOA
- Has HOA: Yes
- Amenities included: Maintenance Grounds
- HOA fee: $460 monthly
- HOA name: Mt San Antonio HOA
- HOA phone: 949-491-1444
Location
- Region: Yorba Linda
Financial & listing details
- Price per square foot: $757/sqft
- Tax assessed value: $2,981,017
- Date on market: 9/28/2026
- Cumulative days on market: 13 days
- Listing terms: Cash,Cash to New Loan,Conventional
Estimated market value
$4,021,900
$3.82M - $4.22M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/28/2026 | Listed for sale | $4,200,000+55.6%$757/sqft |
Source: | ||
| 7/8/2024 | Listing removed | -- |
Source: CRMLS #OC24115732 Report a problem | ||
| 6/14/2024 | Listed for rent | $12,000$2/sqft |
Source: CRMLS #OC24115732 Report a problem | ||
| 4/29/2021 | Sold | $2,700,000+5.9%$487/sqft |
Source: Public Record Report a problem | ||
| 4/24/2017 | Sold | $2,550,000-3.8%$460/sqft |
Source: Public Record Report a problem | ||
| 1/12/2017 | Pending sale | $2,650,000$478/sqft |
Source: Kennith Peterson, Broker #PW16085497 Report a problem | ||
| 11/9/2016 | Price change | $2,650,000-1.9%$478/sqft |
Source: Kennith Peterson, Broker #PW16085497 Report a problem | ||
| 10/14/2016 | Listed for sale | $2,699,999+54.7%$487/sqft |
Source: Kennith Peterson, Broker #PW16085497 Report a problem | ||
| 3/23/2005 | Sold | $1,745,000$315/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | -- | $2,981,017 +2% |
| 2025 | $32,100 +2.2% | $2,922,566 +2% |
| 2024 | $31,408 +1.6% | $2,865,261 +2% |
| 2023 | $30,898 +0.8% | $2,809,080 +2% |
| 2022 | $30,657 +0.5% | $2,754,000 +0.7% |
| 2021 | $30,495 +0.1% | $2,734,114 +1% |
| 2020 | $30,465 | $2,706,080 +2% |
| 2019 | $30,465 +3.8% | $2,653,020 +2% |
| 2018 | $29,356 +22.5% | $2,601,000 +21.7% |
| 2017 | $23,959 | $2,138,082 +2% |
| 2016 | $23,959 -20.8% | $2,096,159 +1.5% |
| 2015 | $30,233 +63.2% | $2,064,673 +24.6% |
| 2014 | $18,526 | $1,657,000 +4.5% |
| 2013 | -- | $1,586,100 |
| 2012 | -- | $1,586,100 -8.3% |
| 2011 | -- | $1,729,000 -4.7% |
| 2010 | -- | $1,814,000 +19.3% |
| 2009 | -- | $1,521,000 -17.9% |
| 2008 | -- | $1,852,102 |
| 2007 | -- | $1,852,102 +2% |
| 2006 | -- | $1,815,787 +311.2% |
| 2005 | -- | $441,554 +158.8% |
| 2004 | -- | $170,627 |
Find assessor info on the county website
Monthly payment
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