21350 Casino Ridge, Yorba Linda

$4,200,000

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5

Beds

6

Baths

5,546

Square feet

2.97

Acres

About 21350 Casino Ridge

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 5 bedrooms and 5.5 bathrooms, 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.

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Features of 21350 Casino Ridge

MLS® # OC26202838
Price $4,200,000
Bedrooms 5
Bathrooms 6.00
Full Baths 5
Half Baths 1
Square Footage 5,546
Acres 2.97
Year Built 2004
Type Residential
Sub-Type Single Family Residence
Status Active

Community Information

Address 21350 Casino Ridge
Area 85 - Yorba Linda
Subdivision Mount San Antonio (MTSA)
City Yorba Linda
County Orange
Zip Code 92887

Amenities

Amenities Maintenance Grounds
Parking Spaces 4
Parking Door-Multi, Door-Single, Driveway, Garage, Paved
# of Garages 4
Garages Door-Multi, Door-Single, Driveway, Garage, Paved
View City Lights, Hills, Mountain(s), Panoramic
Is Waterfront No
Has Pool Yes
Pool Heated, In Ground, Private

Interior

Interior Features Balcony, Ceiling Fan(s), High Ceilings, Intercom, Multiple Staircases, Pantry, Storage
Appliances SixBurnerStove, Built-In Range, Barbecue, Dishwasher, Microwave, Range Hood
Heating Central
Cooling Central Air
Has Basement No
Fireplace Yes
Fireplaces Living Room
# of Stories 2
Stories Two

Exterior

Lot Description ZeroToOneUnitAcre

School Information

District Placentia-Yorba Linda Unified
High Yorba Linda

Additional Information

Date Listed September 25th, 2026
Days on Market 1
Foreclosure No
Short Sale No
RE / Bank Owned No
HOA Fees 460
HOA Fees Freq. Monthly

Listing Details

AgentEddie Li
OfficeIRES Partners Inc.

Listing Map

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