22621 Ridge Line Road, Diamond Bar, CA 91765

• 4 beds |
• 4 baths |
• 3,699 sqft

Property Description

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.

Listing Status:

Active

Date Added:

April 24, 2026

Data Last Updated:

May 20, 2026 at 5:17PM

Listing Office:

First Team Real Estate : 714-536-9292

Listing Agent:

Minh Nguyen : 714-536-9292

MLS ID:

PW26087846

Interior

• General: Separate/Formal Dining RoomFurnishedHigh CeilingsWalk-In Closet(s)
• Appliances: DishwasherElectric CooktopMicrowaveRefrigeratorWater HeaterDryerWasher
• Laundry: In Garage
• Flooring: Vinyl
• A/C: Central Air
• Heating: Central
• Fireplace: Dining RoomFamily RoomLiving RoomFireplace
• Disability Feature: Safe Emergency Egress from HomeParking

Exterior

• Pool: Association
• Parking: DrivewayGarageParking spaces: 4

Construction

• General: 3

Location

• HOA Amenities: Sport CourtOther CourtsPickleballPoolGuardSecurityTennis Court(s)350.0Monthly
• Originating MLS: CRMLS_CRM
• School District: Walnut Valley Unified
• County: Los Angeles

Lot

• Zoning: LCR140000*8713006023
• View: City LightsCanyonHillsMountain(s)PanoramicValleyTrees/WoodsView

Utilities

• Utilities: Electricity AvailableNatural Gas AvailableSewer AvailableWater Available
• Water: Public
• Sewer: Public Sewer

Financial

• Source: CRMLS_CRM