CnC Realty
1 / 58

$4,200,000

21350 Casino Ridge

Yorba Linda, CA 92887

Active

6

Beds

6

Baths

5,546

Sq. Ft.

2004

Year Built

Orange

County

SingleFamilyResidence

Property Type

About this home

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.

Listed by Eddie Li · DRE #02007748 · IRES Partners Inc.
MLS #1191569513
ListedSep 25, 2026

Property Details

Architecture

Stories2
StyleN/A
Total Units1
RoofN/A
Garage Spaces4
PoolHeated, In Ground, Private
SpaN/A

Features & Amenities

Interior FeaturesBalcony, Ceiling Fans, High Ceilings, Intercom, Multiple Staircases, Pantry, Storage
Exterior FeaturesN/A
FlooringN/A
CoolingCentral Air
HeatingCentral
FireplaceLiving Room
LaundryInside, Laundry Room
Parking FeaturesDoor Multi, Door Single, Driveway, Garage, Paved
Parking Total4
Patio & PorchN/A
Entry Level1
Entry Location1
Common WallsNo Common Walls

Property Features

Lot Size2.97 ac
Lot FeaturesZero To One Unit Acre
ViewCity Lights, Hills, Mountains, Panoramic
Directions91 fwy exit Weir Canyon/Yorba Linda Blvd exit toward Yorba Linda Blvd. North on Yorba Linda Blvd to San Antonio turn right, 4th stop sign is Casino Ridge Road, turn right. 1st house on right (driveway with double gated entrance)

Community

Area85 - Yorba Linda
School DistrictPlacentia-Yorba Linda Unified

Tax & Financial

TermsCash, Cash To New Loan, Conventional
Land LeaseNo
HOA NameMt San Antonio HOA
HOA Fee$460 / Monthly

Request a Tour

Mortgage Estimate

$22,354/mo

20% down · 7% APR · 30-yr fixed

Estimate only. Does not include taxes, insurance, or HOA.

CRMLSLast updated: October 21, 2026 at 11:45 PM

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