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Single family home for sale at 22588 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR26059752 | Listing updated on 2026-10-18
Photo 1 of Single family home for sale at 22588 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR26059752 | Listing updated on 2026-10-18
Photo 2 of Single family home for sale at 22588 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR26059752 | Listing updated on 2026-10-18
Photo 3 of Single family home for sale at 22588 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR26059752 | Listing updated on 2026-10-18
Photo 4 of Single family home for sale at 22588 Ridge Line Rd, Diamond Bar, CA 91765 | MLS# TR26059752 | Listing updated on 2026-10-18
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Listed by: Amie Chen (626) 806-5266 DRE #01413066, Bella Le Deaux DRE #02158081 | ReMax 2000 Realty (626) 956-0188

$6,500,000

Monthly Est:$32,353

  • Beds Icon11 Beds
  • Beds Icon
    13 Baths
  • Beds Icon17,241sqft

22588 Ridge Line Rd, Diamond Bar, CA 91765

$32,353/moEst:

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  • Single Family Residence

  • Built in 2008

  • $308/mo HOA

  • 1.22 acres lot

  • $377/sq.ft

Description

Luxurious 17,000-square-foot mansion located in the renowned “The Country Estates”. This efficiently designed residence features nine generously sized en-suite bedrooms, along with two huge primary suites and two powder rooms on the main level, totaling 11 bedrooms and 13 bathrooms. Situated on approximately 1.2 acres of well-maintained landscaping, the home captures breathtaking views of city lights and scenic hills from multiple vantage points. Upon entry, you’re welcomed by polished marble floors, soaring vaulted ceilings, and an impressive foyer with a dual staircase. The main level open-concept living areas create a bright and inviting atmosphere, ideal for both everyday living and entertaining and are equipped with two powder rooms and a bar area that’s perfect for hosting guests. The gourmet kitchen is designed for both functionality and style, featuring a large island, an oversized butler’s pantry, and additional high-end features to support daily living and entertaining needs. An elevator adds convenience and accessibility throughout the home. The ten-car garage provides ample space for large households or car enthusiasts. Additional interior highlights include a private game room, home theater, and a dedicated meditation room. The backyard offers an Italian villa-inspired retreat, designed for relaxation and complete with a Pool, Spa, BBQ station. Carefully crafted, this home blends refined elegance with everyday comfort. Located in a highly sought-after community with top-rated schools, the HOA includes 24-hour guard-gated security and amenities such as a community pool and spa, tennis courts, a clubhouse, and more. Come experience everything this exceptional property has to offer.

  • Houzeo last checked: 1 minute ago
  • Listing updated: October 18, 2026 at 9:01 pm
  • Source: California Regional MLS-CA | MLS#: TR26059752 California Regional MLS-CA

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    3

  • County

    Los Angeles County

  • City

    Diamond Bar

  • Neighborhood

    --

  • Year Built

    2008

  • HOA Fees

    $308/mo

  • Finished Area

    17,241 sqft

  • Lot Size

    1.22 acres lot

  • Basement Area

    - sqft

  • MLS Name

    California Regional MLS

  • MLS Number

    TR26059752

  • MLS Status

    Active

  • Days on Market

    223

  • Cumulative Days on Market

    205

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Location

HOA Management

Diamond Bar Country Estate

HOA Fees

$308/ Monthly

Amenities

Amenities and services may be covered by one or multiple associations and service providers.

Pool Pool

Park Playground Park Playground

Club House Club House

Tennis Tennis

Bike Trails Bike Trails

Spa Spa

Security Guard Security Guard

Sports Court Sports Court

PicnicArea PicnicArea

Barbecue Barbecue

Management Management

Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 11

    Bathrooms: 13

Interior

  • Interior Features

    Wet Bar, Balcony, Crown Molding, Cathedral Ceilings, Central Vacuum, Elevator, Granite Counters, High Ceilings, Intercom, Multiple Staircases, Open Floorplan, Pantry, Partially Furnished, Stone Counters, Recessed Lighting, Storage, Two Story Ceilings, Bar, Wired For Sound, Bedroom On Main Level, Entrance Foyer

  • Cooling

    Central Air

  • Heating

    Central, Fireplaces, Natural Gas

  • Appliances

    Built In Range, Barbecue, Convection Oven, Double Oven, Dishwasher, Freezer, Gas Cooktop, Gas Oven, Gas Range, Gas Water Heater, Microwave, Refrigerator, Range Hood, Vented Exhaust Fan, Water Heater, Warming Drawer, Dryer, Washer

  • Exterior Features

    Barbecue

  • Sewer

    Public Sewer

  • Flooring

    Carpet, Tile

Utilities & Energy

  • Parking Features

    Direct Access, Driveway, Garage, Oversized, Private, Garage Faces Side

  • Fireplace Features

    Living Room

  • Pool Features

    Community, Fenced, In Ground, Private, Association

  • Laundry Features

    Inside, Laundry Room, Upper Level

  • Association Amenities

    Clubhouse, Sport Court, Horse Trails, Management, Barbecue, Picnic Area, Playground, Pickleball, Pool, Guard, Spa Hot Tub, Security, Tennis Courts, Trails

  • Security Features

    Gated With Guard, Gated Community, Gated With Attendant, Twenty Four Hour Security

  • Water Source

    Public

Other Features

  • Patio And Porch Features

    Rear Porch, Covered, Front Porch

  • Lot Features

    Zero To One Unit Acre, Lot Over40000sqft, Landscaped, Sprinkler System

  • Community Features

    Curbs, Horse Trails, Suburban, Sidewalks, Gated, Pool

Price History

DateEventPrice

09/17/2026

Source: mls_logoCalifornia Regional MLS-CA #TR26059752

Price Decreased

$6,000,000 -7.69%

$348/sqft

09/17/2026

Source: mls_logoCalifornia Regional MLS-CA #TR26059752

Price Decreased

$6,500,000 -7.01%

$377/sqft

05/20/2026

Source: mls_logoCalifornia Regional MLS-CA #TR26059752

Price Decreased

$6,990,000 -12.52%

$405/sqft

02/15/2025

Source: mls_logoCalifornia Regional MLS-CA #TR24161516

Listed for Sale

$7,990,000

$463/sqft

08/06/2024

Source: mls_logoCalifornia Regional MLS-CA #TR24161516

Off Market

$7,990,000

$463/sqft

Nearby Homes

Based on information from California Regional Multiple Listing Service, Inc. as of Nov 06, 2026, 06:15PM and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.

Advertising Broker: William Johnson DRE #01463271 | William Johnson Brokerage

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