21350 Casino Ridge Yorba Linda CA 92887 | MLS #OC26202838

21350 Casino Ridge
Yorba Linda, CA, 92887
$4,200,000
6 Beds
5.5 Baths
5,546 SqFt
2.97 Acres
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MLS #OC26202838 image #0
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.

Property Details

Price:
$4,200,000
MLS #:
OC26202838
Status:
Active
Beds:
6
Baths:
5.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Mount San Antonio MTSA
Neighborhood:
85yorbalinda
Listed Date:
Sep 28, 2026
Finished Sq Ft:
5,546
Lot Size:
129,417 sqft / 2.97 acres (approx)
Year Built:
2004
Pool85 – Yorba Linda85yorbalindaMount San Antonio MtsaPlacentia-yorba Linda UnifiedYorba Linda

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Schools

School District:
Placentia-Yorba Linda Unified
High School:
Yorba Linda

Interior

Appliances
6 Burner Stove, Microwave, Built-In Range, Barbecue, Range Hood, Dishwasher
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Heating
Central
Interior Features
Intercom, Balcony, High Ceilings, Ceiling Fan(s), Pantry, 2 Staircases, Storage
Laundry Features
Inside, Laundry Room
Levels
Two
Main Level Bathrooms
2
Main Level Bedrooms
1

Exterior

Association Amenities
Maintenance Grounds
Attached Garage YN
1
Common Walls
No Common Walls
Community Features
Horse Trails, Biking, Sidewalks, Park
Covered Spaces
4
Garage Spaces
4
Lot Features
0-1 Unit/Acre
Open Parking YN
1
Parking Features
Garage, Paved, Garage – Single Door, Driveway, Garage – Two Door
Parking Spots
4
Parking Total
4
Stories
2
View
Mountain(s), City Lights, Hills, Panoramic

Financial

HOA Fee
$460
HOA Fee Frequency
Monthly
HOA Name
Mt San Antonio HOA
HOA Phone
949-491-1444

Map

Community

Market Summary

Current real estate data for Single Family in Yorba Linda as of Oct 26, 2026
138
Single Family Listed
56
Avg DOM
674
Avg $ / SqFt
$1,983,259
Avg List Price

Property Summary

    Located in the Mount San Antonio (MTSA) subdivision, 21350 Casino Ridge Yorba Linda CA is a Single Family for sale in Yorba Linda, CA, 92887. It is listed for $4,200,000 and features 6 beds, 6 baths, and has approximately 5,546 square feet of living space, and was originally constructed in 2004. The current price per square foot is $757. The average price per square foot for Single Family listings in Yorba Linda is $674. The average listing price for Single Family in Yorba Linda is $1,983,259. To schedule a showing of MLS#oc26202838 at 21350 Casino Ridge in Yorba Linda, CA, contact your Compass agent at 310.409.7242.

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21350 Casino Ridge
Yorba Linda, CA