22621 Ridge Line RoadDiamond Bar, CA 91765

Single Family · 4 Beds · 4 Full Baths · 3,699 Sq. ft. | 1.78 Acres
$2,620,000 Active

22621 Ridge Line Road Overview

Time on Site:
67 days
Visits:
0

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.

Love this property?
Create a profile so you can receive updates on this property as soon as they happen!
View Map

22621 Ridge Line Road Facts & Features

  • Type Single Family
  • Sq. ft. 3,699
  • Price/Sq.ft. $708
  • Lot 1.78 Acres

Details

General

Association/HOA

  • Association Amenities: Sport Court,Other Courts,Pickleball,Pool,Guard,Security,Tennis Court(s)
  • Association Fee: 350.0
  • Association Fee Frequency: Monthly
  • Association Name: Dimond Bar County Estates Association
  • Association: Yes
  • Common Interest: None

School Information

  • School District: Walnut Valley Unified

Building Information

  • New Construction: No
  • Year Built: 1977

Location/Region

  • Country: US
  • County Or Parish: Los Angeles
  • MLS Area Major: 616 - Diamond Bar
  • Postal City: DIAMOND BAR

Community/Development

  • Community Features: Street Lights,Sidewalks,Gated

Rent/Lease Information

  • Land Lease: No
  • Lease Considered: No

General Information

  • Inclusions: All Furnitures and Appliances
  • Listing Terms: Cash,Conventional,FHA,VA Loan
  • Parcel Number: 8713006023
  • Property Condition: Updated/Remodeled,Turnkey
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: Standard
  • Zoning: LCR140000*

Interior

Parking Information

  • Garage Spaces: 4.0
  • Garage: Yes

Beds/Baths

  • Bathrooms Full: 4
  • Bathrooms Total: 4
  • Bedrooms Total: 4

General Information

  • Accessibility Features: Safe Emergency Egress from Home,Parking
  • Appliances: Dishwasher,Electric Cooktop,Microwave,Refrigerator,Water Heater,Dryer,Washer
  • Common Walls: 1 Common Wall
  • Entry Level: 2
  • Entry Location: 2
  • Fireplace Features: Dining Room,Family Room,Living Room
  • Fireplace: Yes
  • Flooring: Vinyl
  • Interior Features: Separate/Formal Dining Room,Furnished,High Ceilings,Walk-In Closet(s)
  • Laundry Features: In Garage
  • Levels: Three Or More
  • Living Area: 3699.0
  • Living Area Source: Assessor
  • Living Area Units: Square Feet
  • Main Level Bathrooms: 2
  • Main Level Bedrooms: 3
  • Security Features: Carbon Monoxide Detector(s),Gated Community,Gated with Attendant,Smoke Detector(s)
  • Stories Total: 3

Exterior

Parking Information

  • Parking Features: Driveway,Garage
  • Parking Total: 4.0

Lot Information

  • Additional Parcels: No
  • Lot Features: 0-1 Unit/Acre,Lot Over 40000 Sqft
  • Lot Size Acres: 1.7847
  • Lot Size Area: 77740.0
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 77740.0
  • Lot Size Units: Square Feet
  • Elevation Units: Feet
  • Water Source: Public

Waterfront/View

    Building Exterior/Construction

    • Attached Garage: Yes
    • Property Attached: Yes
    • Structure Type: House

    General Information

    • Number Of Units Total: 1
    • Pool Features: Association
    • Pool Private: No
    • Sewer: Public Sewer
    • Utilities: Electricity Available,Natural Gas Available,Sewer Available,Water Available

    22621 Ridge Line Road Neighborhood

    Community

    91765 (Diamond Bar) Demographics

    44
    Median Age
    2,444
    Population Density (per sq. mile)
    63%
    College Educated
    $101,161
    Estimated Median Income
    11,360
    Estimated Total Home Owners
    3,514
    Estimated Total Renters
    76% / 24%
    Estimated Owner / Renter Divide
    3
    Estimated Average Household Size
    Community data courtesy of LiveBy, Inc.

    Schools

    School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

    22621 Ridge Line Road Monthly Cost

    $
    $ %
    %
    $
    $
    * All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

    22621 Ridge Line Road Market Data

    Based on the last 30 days in this zip code

    $1,521,743
    Average List Price
    $574
    Average Price per Square Foot
    33
    Properties Sold
    67
    Average Days on Market
    350
    Properties for Sale
    Calculations provided by Reliance Network

    22621 Ridge Line Road History

    Date Event Value Agent
    6/8/2026Source: CRMLS Price Reduction
    $2,620,000 -2.2%
    4/24/2026Source: CRMLS Status Change
    Active
    4/23/2026Source: CRMLS Added to Database
    April 23, 2026
    Listing provided courtesy of First Team Real EstateMinh Nguyen- MLS# PW26087846MLS ProviderContact Information: [email protected] - 714-536-9292
    Cookie Button: