
Land with Home for Sale in Diamond Bar, California
22621 Ridge Line Rd, Diamond Bar, CA 91765
Welcome to Your Private Hilltop Sanctuary.
Nestled within Diamond Bar’s highly prestigious, 24-hour guard-gated community of The Country Estates, this fully reimagined masterpiece offers a rare blend of classic curb appeal and breathtaking, ultra-modern design. Shielded by mature landscaping, this estate invites you to experience a lifestyle defined by uncompromising luxury, sweeping valley sunsets, and sparkling city-light views.
Step through the illuminated entryway into a sun-drenched, open-concept floor plan beautifully anchored by custom vertical wood-slat architectural paneling, wide-plank oak-toned flooring, and brilliant crystal chandeliers. The gourmet chef’s kitchen is an entertainer's dream, featuring a massive quartz waterfall island and a farmhouse sink, flowing seamlessly into a formal dining space warmed by a marble-clad fireplace. You can effortlessly host guests in the formal living room with its built-in beverage center, or find your daily peace in the dedicated, window-lined Zen lounge. Ascending the striking glass-framed staircase reveals a sprawling upper-level entertainment loft alongside a dedicated billiard room with private deck access. For the modern professional, a refined executive office offers a quiet workspace complete with custom solid-wood built-ins and glass-paned French doors.
The primary suite is a true resort-style retreat designed to capture unobstructed hilltop horizon views. Its spa-caliber en-suite rivals five-star hotels, appointed with a deep freestanding soaking tub, a frameless glass rainfall shower, brushed gold fixtures, and a massive custom walk-in closet. Generously sized secondary bedrooms offer VIP treatment with bespoke board-and-batten woodwork, while the pristine guest baths feature designer finishes, and high-tech smart bidets.
The perfection extends to a fully finished, expansive garage featuring pristine epoxy flooring, custom dark-oak cabinetry, and an integrated luxury laundry center. Step outside to the modern, cable-railed view decks for al fresco dining under the stars, seamlessly expanding your living space into the California golden hour.
Residents of The Country Estates including a massive indoor sports complex, pristine clay and hard tennis courts, pickleball, a community pool, and miles of scenic equestrian trails. Zoned for the award-winning Walnut Valley Unified School District, this estate is more than just a stunning residence—it is a legacy property.
Location
- Street address
- 22621 Ridge Line Rd
- County
- Los Angeles County
- School district
- Walnut Valley Unified
- Elevation
- 1,153 feet
Directions
From the 57 Freeway, exit Diamond Bar Blvd and head south. Turn right on Pathfinder Road, then left on Quail Summit Drive. Continue uphill and turn right on Ridge Line Road. The property will be on your right side.
Property details
- Acreage
- 1.785 acres
- Zoning
- LCR140000*
- MLS #
- MRMLS PW26087846
- Posted
Expenses
- Home Owner Assessments Fee
- $350 monthly
Parcels
- 8713006023
Details and features
Listing
- Type
- Residential
- Subtype
- Single Family Residence
Lot
- View
- Canyon, City, Hills, Mountain, Panorama, Valley
Exterior
- Parking Spaces
- 4
- Parking
- Driveway, Garage
- Features
- 0-1 Unit/Acre, Lot Over 40000 SQFT, Sidewalks, Street Lights Community Features Included
Structure
- Stories
- 3
- Heating
- Central
- Cooling
- Central Air
Interior
- Rooms
- Bathroom x 4, Bedroom x 4, Exercise Room, Kitchen, Living Room, Office
- Flooring
- Vinyl
- Appliances
- Cooktop, Dishwasher, Electric Cooktop, Microwave, Refrigerator, Washer
- Features
- 2+ Access Exits, Furnished, High Ceilings, Parking
Listing history
| Date | Event | Price | Change | Source |
|---|---|---|---|---|
| Apr 24, 2026 | New listing | $2,680,000 | — | MRMLS |















































