Listed by Eddie Li •DRE #02007748 • IRES Partners Inc.

Contact: 626-757-9705

For sale

$3,980,000

Est. $27,459/mo —

•

5,546

sq ft

21350 Casino Rdg, Yorba Linda, CA 92887

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.

Single-familyProperty Type

2004Year Built

2.97 acresLot Size

$718Price/Sq.Ft.

$460/moHOA Dues

4 car garageParking

Listing updated: Nov 11, 2026 at 11:32am

Redfin checked: a minute ago

•Source:CRMLS #OC26202838

Redfin agents who toured

Gated horse-zoned estate in Mt. San Antonio Estates set on nearly three acres, featuring panoramic views toward Catalina Island, two koi ponds, and a custom rock pool and spa.
1 month ago
Ruben Martinez
Redfin agent
33 deals

Payment calculator

$27,459 per month

Principal and interest$21,991

Property taxes

HOA dues

Home insurance

Utilities

5 minutes to get started. No credit impact.

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Around this home

Schools

K - 12
Preschool & daycare

Travis Ranch School

Public K-8 • Assigned • 1.3mi

7/10

Yorba Linda High School

Public 9-12 • Assigned • 1.8mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Offer insights

21350 Casino Rdg · $3,980,000

Strong offer

$3.94M and above

75% chance or better to win

Why $3.94M+ is a strong offer

DAYS ON MARKET

The average home goes pending in 44 days.

SALE-TO-LIST

Most homes are selling 1% below list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Interior features
Intercom
Balcony
High ceilings (9 feet+)
Ceiling fan
Pantry
Two staircases
Storage space
Formal entry
Entry
Living room
Den

Bedrooms
One main-level bedroom
Two levels

Bathrooms
Five full bathrooms
One half bathroom
Two main-level bathrooms

Kitchen
6 burner stove
Built-in range
Range/stove hood
Microwave
Dishwasher
Barbecue

Laundry & utility
Laundry inside in an individual room

Heating & cooling
Central furnace heating
Central cooling

Sale and tax history for 21350 Casino Rdg

Sale History
Tax History

Date

Event

Price

CRMLS #OC26202838

Nov 11, 2026

Price Changed

$3,980,000

$718/sq ft

Nov 3, 2026

Price Changed

$4,080,000

$736/sq ft

Sep 28, 2026

Listed

$4,200,000

$757/sq ft

CRMLS #OC24115732

Jul 8, 2024

Rental Removed

$12,000

$2/sq ft

Jun 14, 2024

Listed for Rent

$12,000

$2/sq ft

CRMLS #WS20222400

Apr 26, 2021

Sold

$2,700,000

$487/sq ft

Mar 27, 2021

Pending

—

Oct 22, 2020

Listed

$2,980,000

$537/sq ft

Zoned for horses 2.97 Acre Property with a private automatic gated entry located in Mt. San Antonio Estates in the hills of Yorba Linda, CA. The property boasts spectacular unobstructed views of Catalina, City Lights, and Chino Hills and is secluded in its own beautifully landscaped oasis which includes 2 ponds, custom rock pool & spa, fountain and more. This house is 5,546 sq. ft with multiple upgrades including 8 individual temperature zones, solar, 6 bedrooms, 6 1/2 bathrooms, 4 car garage, an office, a bonus room, formal living room, formal dining room, family room and much more. MUST SEE!

CRMLS #PW16085497

Apr 26, 2017

Sold

$2,550,000

$460/sq ft

Jan 11, 2017

Pending

—

Nov 9, 2016

Price Changed

$2,650,000

$478/sq ft

Aug 15, 2016

Price Changed

$2,699,999

$487/sq ft

Jul 25, 2016

Price Changed

$2,799,000

$505/sq ft

Jun 18, 2016

Price Changed

$2,849,000

$514/sq ft

Apr 23, 2016

Listed

$2,899,000

$523/sq ft

Beautiful 2.97 Acre Property (zoned for horses) with a private automatic gated entry is located in the beautiful Mt. San Antonio Estates in the hills of Yorba Linda, CA. The property boasts spectacular unobstructed views of Catalina, City Lights, and Chino Hills and is secluded in its own beautifully landscaped oasis which includes 2 Koi ponds, custom rock pool & spa, fountain and more. The home has new carpet and paint throughout and refinished Alcatraz Brazilian Cherry Hardwood floors. This 5,546 sq. ft home with multiple upgrades including 8 individual temperature zones, 5 bedrooms, 5 1/2 bathrooms, an office, a media room, bonus room, formal living room, formal dining room, family room and much more is a must see.

Year

Property tax

Land + Additions

Assessment*

2025

$32,101 (+2.2%)

$1,651,639 + $1,329,378

$2,981,017

2024

$31,408 (+1.7%)

$1,619,254 + $1,303,312

$2,922,566

2023

$30,898 (+0.8%)

$1,587,504 + $1,277,757

$2,865,261

2022

$30,657 (+0.5%)

$1,556,377 + $1,252,703

$2,809,080

2021

$30,495

$1,525,859 + $1,228,141

$2,754,000

2020

$30,465 (+3.8%)

$1,714,549 + $1,019,565

$2,734,114

2019

$29,356 (+1.3%)

$1,696,969 + $1,009,111

$2,706,080

2018

$28,992 (+21.0%)

$1,663,695 + $989,325

$2,653,020

2017

$23,959 (−20.8%)

$1,155,457 + $982,625

$2,138,082

2016

$30,232 (+30.4%)

$1,155,457 + $982,625

$2,138,082

2015

$23,190 (+25.2%)

$1,132,801 + $963,358

$2,096,159

2014

$18,526 (+4.3%)

$937,900 + $719,100

$1,657,000

2013

$17,755 (+1.8%)

$937,900 + $719,100

$1,657,000

2012

$17,437 (−9.4%)

$867,000 + $719,100

$1,586,100

2011

$19,242 (−4.7%)

$867,000 + $719,100

$1,586,100

2010

$20,191 (+18.8%)

$877,803 + $851,197

$1,729,000

2009

$17,002 (−16.1%)

$962,803 + $851,197

$1,814,000

2008

$20,277

$669,803 + $851,197

$1,521,000

Public record

Public record
Zoning
Permits

Beds

Baths

5.5

Stories

—

Lot width

—

Lot depth

—

Lot size

2.97 Acres

Year renovated

2004

Finished Sq. Ft.

5,185

Unfinished Sq. Ft.

—

Total Sq. Ft.

5,185

Year built

2004

Style

Single Family Residential

County

Orange County

APN

32620113

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 28, 2026.

Planned Development Zone

To provide for the classification and development of parcels of land as coordinated, comprehensive projects so as to take advantage of the superior environment which can result from large-scale community planning.; To allow diversification of land uses as they relate to each other in a physical and environmental arrangement, while ensuring substantial compliance with the provisions of this title.;To provide for a zone encompassing various types of land uses, such as single-family residential developments, multiple housing developments, professional and administrative office areas, commercial centers, industrial parks or any public or semipublic use or combination of uses through the adoption of a development plan and text materials which set forth land use relationships and development standards.; To facilitate development of infill areas by permitting greater flexibility, and consequently, more creative and imaginative designs for the development of such areas than generally is possible under conventional zoning or subdivision regulations.; To promote more economical and efficient use of the land while providing a harmonious variety of housing choices, a higher level of urban amenities and preservation of natural and scenic qualities of open spaces.

Permitted uses

Include but are not limited to:

No uses permitted by right

Oct 24, 2017 • Final

Residential addition-alteration

Install a roof-mounted photovoltaic system with solar panels.

Electrical

Solar

May 16, 2015 • Final

Residential addition-alteration

Construct a retaining wall and a horse shed.

ADU

Grading

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

7/10 Fire Factor

17% chance of being in a wildfire in next 30 years

5/10 Heat Factor

6 days above 99° expected this year, 18 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

5/10 Air Factor

8 unhealthy days expected this year, 9 days in 30 years

Provided by First Street

Historical weather

Yorba Linda, CA • 92887

Average low and high temperatures (°F)

69°

50°

72°

50°

75°

52°

73°

52°

76°

56°

81°

60°

86°

63°

89°

64°

85°

64°

79°

56°

72°

51°

69°

50°

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.7 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.7 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 21350 Casino Rdg

$3,813,175

$167K under list price of $3.98M

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $1.7M to $3.6M.

SOLD OCT 21, 2026
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5 beds3 baths2,724 sq ft
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smaller lot
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21290 Clear Haven Dr, Yorba Linda, CA 92886
$134/sq ft
smaller lot
17 years older
SOLD AUG 21, 2026
$3,600,000 Last sold price
5 beds6 baths5,458 sq ft
4971 Rideline Rd, Yorba Linda, CA 92887
$58/sq ft
smaller lot
21 years newer
SOLD OCT 27, 2026
$2,555,000 Last sold price
5 beds6 baths4,697 sq ft
21441 Cloud Rdg, Yorba Linda, CA 92887
$174/sq ft
smaller lot
22 years newer
SOLD AUG 19, 2026
$2,995,000 Last sold price
5 beds6 baths5,458 sq ft
4970 Rideline Rd, Yorba Linda, CA 92887
$169/sq ft
smaller lot
22 years newer
SOLD SEP 23, 2026
$3,015,000 Last sold price
5 beds6 baths4,697 sq ft
4961 Rideline Rd, Yorba Linda, CA 92887
$76/sq ft
smaller lot
22 years newer

Rental earnings

Est. $8,059 per month, based on comparable rentals

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Details provided by CRMLS and may not match the public record. Learn more.

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