21350 Casino Ridge
Yorba Linda, CA 92887
Listing broker / agent: IRES Partners Inc. · Eddie Li · 626-757-9705 · CRMLS
MLS # OC26202838 · Last checked Oct 19, 2026 09:15 UTC
About this property
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
- MLS number
- OC26202838
- Status
- Active
- Type
- Residential
- Subtype
- Single Family Residence
- Beds / baths
- 6 Beds • 6 Baths
- Living area
- 5,546 Sq Ft
- Lot size
- 2.971 acres
- County
- Orange
- Year built
- 2004
- Stories
- 2
More property detailsCollapse
Listing
- Days on market
- 9
Building
- Year built
- 2004
- Year built source
- Assessor
- Stories
- 2
- Building stories
- 2
- Levels
- Two
- Entry level
- 1
- Living area source
- Estimated
Bathrooms
- Full bathrooms
- 5
- Half bathrooms
- 1
Rooms & interior
- Main-level bedrooms
- 1
- Main-level bathrooms
- 2
- Rooms
- Den, Entry Foyer, Kitchen, Laundry, Living Room
- Appliances
- Six Burner Stove, Built In Range, Barbecue, Dishwasher, Microwave, Range Hood
- Interior features
- Balcony, Ceiling Fans, High Ceilings, Intercom, Multiple Staircases, Pantry, Storage
- Heating
- Central
- Cooling
- Central Air
- Fireplace
- Living Room
- Laundry
- Inside, Laundry Room
Exterior & parking
- Total parking spaces
- 4
- Garage spaces
- 4
- Parking
- Door Multi, Door Single, Driveway, Garage, Paved
- Attached garage
- Yes
- Pool
- Heated, In Ground, Private
- Lot features
- Zero To One Unit Acre
- Lot size source
- Assessor
- Property outlook
- City Lights, Hills, Mountains, Panoramic
Utilities & community
- Water
- Public
- Sewer
- Public Sewer
- Community features
- Biking, Horse Trails, Park, Sidewalks
- Association amenities
- Maintenance Grounds
Fees & lease terms
- Association
- Yes
- Association fee
- $460.00
- Association fee frequency
- Monthly
Schools reported in the listing
- High school
- Yorba Linda
- High school district
- Placentia-Yorba Linda Unified
School information is supplied with the listing. Confirm current attendance boundaries and enrollment eligibility directly with the school district.
Nearby public schools
Nearby does not mean assigned. These are approximate straight-line distances from the property, not walking or driving routes. Confirm attendance boundaries, enrollment eligibility, grades and current school status directly with the district.
| School / district | Grades | Distance |
|---|---|---|
| Travis Ranch Placentia-Yorba Linda Unified · Yorba Linda | K–8 | 1.3 mi |
| Yorba Linda High (school website, opens in a new tab) Placentia-Yorba Linda Unified · Yorba Linda | 9–12 | 1.7 mi |
| Fairmont Elementary Placentia-Yorba Linda Unified · Yorba Linda | K–6 | 2.1 mi |
| Orange County School of Computer Science Placentia-Yorba Linda Unified · Yorba Linda | 6–8 | 2.1 mi |
| California Republic Leadership Academy Yorba Linda (school website, opens in a new tab) Orange County Department of Education · Yorba Linda | K–8 | 2.3 mi |
| Woodsboro Elementary Placentia-Yorba Linda Unified · Anaheim | K–6 | 2.6 mi |
| Glenknoll Elementary Placentia-Yorba Linda Unified · Yorba Linda | K–6 | 2.9 mi |
| Bryant Ranch Elementary Placentia-Yorba Linda Unified · Yorba Linda | Not reported | 3.1 mi |
Source: California Department of Education · 2025-26 school locations. Downloaded Oct 2, 2026 UTC. This annual snapshot may not reflect later changes. Public schools only; not a complete list of education options. No ratings or attendance assignments are provided.
Check the California School Directory ↗Price and tax history
Asking price
- Current asking price
- $4,200,000
- MLS-reported original asking price
- $4,200,000
| Observed (UTC) | Asking price |
|---|---|
| Oct 2, 2026 06:03 | $4,200,000 |
MLS values are reported for this listing, not prior sales. Observation dates show when our importer saw an asking price, not when the MLS changed it. Up to 24 observations are retained; changes between refreshes may be missed. This is not a complete price or sales history.
Property taxes
Tax history is not available from the imported listing data.
Source: MLS feed. Only supplied tax years are shown, up to 10 years; this is not a county tax archive. Amounts may be corrected and taxes may change after purchase. Verify assessments and current taxes with the county. These values do not automatically fill the payment calculator.
Market trends in Yorba Linda
Active residential homes for sale in Yorba Linda, CA, available through this website's authorized feed. Includes residential subtypes; excludes rentals. Not the entire market or a valuation of this property.
Observed price activity · past 30 days
30 currently active listings have an observed price-change pair ending in this period. A listing can appear in both counts.
Calculated 2026-10-19 10:23 UTC. Source: this website's authorized MLS inventory. Import progress, freshness rules and coverage affect the figures. Medians exclude missing/invalid values; price per sq ft is the median of individual listing ratios. Price observations are limited to the last 24 per listing and may miss changes between refreshes. This is not a complete 30-day market report, historical inventory trend, appreciation measure, or sold-price analysis.
Payment calculator
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Illustration only—not a rate quote, preapproval, lending offer or affordability determination. Assumes equal monthly payments on a fully amortizing fixed-rate loan; no adjustable rates, interest-only periods or balloon payments. Excludes closing costs, utilities, maintenance, special assessments and other unentered costs. Actual payments and escrow can differ. Review a Loan Estimate with your lender.
Understanding homeownership costs — CFPB ↗