22588 Ridge Line Rd

Diamond Bar, CA 91765

$7,990,000
Price
11
Beds
17,241 Sq. Ft.
$463 / Sq. Ft.
17,241
Sq. Ft.
$463
per Sq. Ft.
Get preapproved with Rocket Mortgage1

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,...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.
  1. Listed by Amie Chen • DRE #01413066 • Brokerage DRE #01264629 • ReMax 2000 Realty • 626-806-5266
  2. Listed by Bella Le Deaux • DRE #02158081 • Brokerage DRE #01264629 • ReMax 2000 Realty

Property Details for 22588 Ridge Line Road

View
Hills
Parking Spaces Total
10
Private Pool
Yes
Cooling Type
Central Air
Total Units
1.0
Building Type
Detached
Lot Size Source
Assessor
Living Area
17241
LISTING UPDATED: 03/27/2026 11:24 PM

Property Details for 22588 Ridge Line Road

StatusActive
MLS #TR26059752
Days on Market1
Taxes-
HOA Fees$308 / month
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built2008
Lot Size1.22 AC / 53,347 SF
CountyLos Angeles County
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Location

Listing Courtesy of ReMax 2000 Realty, Amie Chen, DRE #01413066; ReMax 2000 Realty, Bella Le Deaux, DRE #02158081
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Building Information for 22588 Ridge Line Road

Stories3Year Built2008Building Size-Lot Size1.22 AC / 53,347 SF

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$45,688 per month

30 year fixed, 6.11% Interest

Principal and Interest

$38,776

Property Taxes

$6,604

HOA Dues

$308

The Payment Calculator is for illustrative purposes only.

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Property Information for 22588 Ridge Line Road

Rental Info
Rental Info
  • Pets Allowed: Call For Rules
Income / Expense / Tax Details
Tax / Assessment Info
  • Tax Tract Number: 30091
  • CFD/Mello-Roos Fee: $3,664
  • Tax Lot: 166
Community / Development
Community / Development
  • Accessibility Features: 2+ Access Exits, Parking, Accessible Elevator Installed
  • Disability Access: 2+ Access Exits, Other Main Level Modifications
  • Association Amenities: Spa/Hot Tub, Hiking Trails, Picnic Area, Security, Management, Horse Trails, Tennis Court(s), Pickleball, Pool, Barbecue, Clubhouse, Sport Court, Guard, Playground
  • Assessments YN: Yes
  • Assessments: Unknown
  • Community Features: Curbs, Horse Trails, Sidewalks, Suburban
  • Complex Name: Diamond Bar Country Estate
  • Complex Features: Horse Trails
  • Association Name: Diamond Bar Country Estate
  • Association Phone: 909-861-4114
Property / Structure Info
Interior Features
  • Appliances: Gas Water Heater, Double Oven, Water Heater Central, Gas Oven, Warming Drawer, Convection Oven, Gas Cooktop, Range Hood, Built-In Range, Refrigerator, Barbecue, Freezer, Gas Range, Dishwasher, Vented Exhaust Fan, Microwave, Water Heater
  • Equipment: Dishwasher, Dryer, Microwave, Refrigerator, Washer, Convection Oven, Double Oven, Freezer, Gas Oven, Gas Stove, Vented Exhaust Fan, Barbecue, Gas Range
  • Interior Features: Vacuum Central, Living Room Balcony, Wet Bar, High Ceilings, Granite Counters, Wired for Sound, Elevator, Pantry, Recessed Lighting, Intercom, Partially Furnished, Open Floorplan, Stone Counters, Bar, Cathedral Ceiling(s), Crown Molding, Balcony, 2 Staircases, Two Story Ceilings, Storage
  • Room Type: Primary Bedroom, Recreation, Primary Bathroom, Den, Bonus Room, Foyer, Primary Suite, Projection, Laundry, Main Floor Primary Bedroom, Home Theatre, Main Floor Bedroom, Media Room, Two Primaries, Office, Living Room, Walk-In Pantry, Family Room, Formal Entry, Game Room, Guest/Maid's Quarters, Great Room, Entry, Library, Multi-Level Bedroom, Exercise Room, Retreat, Separate Family Room, Walk-In Closet
  • Main Level Bathrooms: 4
  • Main Level Bedrooms: 2
  • Room Bathroom Features: Separate tub and shower, Dual shower heads (or Multiple), Upgraded, Stone Counters, Shower in Tub, Bathtub, Granite Counters, Closet in bathroom, Double sinks in bath(s), Jetted Tub, Double Sinks in Primary Bath, Shower, Exhaust fan(s), Walk-in shower, Main Floor Full Bath, Vanity area, Soaking Tub
  • Bedroom Features: Main Floor Bedroom, Multi-Level Bedroom, WalkInCloset
  • Room Kitchen Features: Kitchen Open to Family Room, Kitchen Island, Butler's Pantry, Utility sink, Granite Counters, Walk-In Pantry
  • Water Heater Features: Central Water Heater, Gas
  • Water Heater Type: Gas, Water Heater Central
  • Laundry: Yes
  • Laundry Features: Inside, Individual Room, Upper Level, Washer Included, Dryer Included
  • Fireplace Features: Living Room
  • Fireplace Rooms: Living Room
  • Fireplace: FP in Living Room
  • Cooling: Central Air
  • Heating Type: Fireplace(s), Natural Gas, Central
  • Heat Source: Natural Gas
  • Heating: Fireplace(s), Natural Gas, Central
  • Heat Equipment: Fireplace, Forced Air Unit
  • Flooring Type: Tile, Carpet
  • Floor Coverings: Carpet, Tile
  • Flooring: Tile, Carpet
  • Virtual Tour URL Branded: https://www.savvytours.com/pw/158613
  • Virtual Tour URL Unbranded: https://www.savvytours.com/ml/158613
Exterior Features
  • Security Features: Gated with Attendant, 24 Hour Security, Gated with Guard, Gated Community
  • Security: Gated Community, 24 Hour Security, Gated with Guard
  • Exterior Features: Barbecue Private
  • Entry Location: front door
  • Structures: Gazebo, Elevators/Stairclimber, Suburban
  • Structure Type: House
  • Other Structures: Gazebo
  • Miscellaneous: Elevators/Stairclimber, Suburban
  • View Description: Hills
  • Patio: Yes
  • Patio And Porch Features: Covered, Front Porch, Rear Porch
  • Pool Features: Association, In Ground, Fenced, Community, Private
  • Pool Description: Association Pool, Fenced, In Ground, Private
  • Pool: Below Ground, Community/Common, Private, Association, Fenced
  • Pool Heat: Below Ground, Community/Common, Private, Association, Fenced
  • Spa Features: Association, In Ground, Community, Private
  • Spa Heat: Community/Common, Private Below Ground, Private
  • Tennis: Yes
Land/Lot Info
  • Sign on Property: No
  • Lot Features: Lot Over 40000 Sqft, Landscaped, 0-1 Unit/Acre, Sprinkler System
  • Lease Considered: No
  • Available For Lease: No
  • Land Lease: No
  • Land Lease Type: Fee
  • Sprinklers: Yes
  • Levels: Multi/Split
  • Water: Public
  • Sewer: Public Sewer
  • Sewer/Septic: Public Sewer
  • Water Source: Public
Parking Info
  • Garage Spaces: 10
  • Parking: Yes
  • Parking Garage: Direct Entrance, Driveway, Garage, Oversized, Private
  • Parking Non-Garage: Direct Garage Access, Garage
  • Parking Garage Spaces: 10
  • Parking Garage: Direct Garage Access, Garage
  • Carport Spaces: 0
  • Attached Garage: Yes
  • Parking Features: Garage, Direct Garage Access, Driveway, Private, Garage Faces Side, Oversized
Property / Structure Info
  • Residential Styles: Detached
  • Residential Unit Location: No Common Walls

Property History for 22588 Ridge Line Road

DateEvent & SourcePriceAppreciation
Mar 27, 2026

Listed (Active)

SDMLS #TR26059752

$7,990,000—
Mar 27, 2026

Listed (Active)

CRMLS #TR26059752

$7,990,000—
Mar 27, 2026

Listed (Active)

CLAW #TR26059752MR

$7,990,000—
Sep 5, 2025

Expired

CRMLS #TR24161516

—
Sep 4, 2025

Expired

SDMLS #TR24161516

$7,990,000—
Sep 4, 2025

Expired

CLAW #TR24161516MR

$7,990,000—
Feb 15, 2025

Price Change

CRMLS #TR24161516

$7,990,000—
Oct 31, 2024

Price Change

CLAW #TR24161516MR

$8,880,000—
Oct 31, 2024

Price Change

CRMLS #TR24161516

$8,880,000—
Aug 6, 2024

Listed (Active)

CRMLS #TR24161516

$9,888,000—
Aug 5, 2024

Listed (Active)

SDMLS #TR24161516

$9,888,000—
Aug 5, 2024

Listed (Active)

CLAW #TR24161516MR

$9,888,000—
Jul 9, 2024

Withdrawn / Cancelled

CRMLS #TR23205584

$9,888,000—
Jul 9, 2024

Withdrawn / Cancelled

CLAW #TR23205584MR

—
Jul 9, 2024

Withdrawn / Cancelled

SDMLS #TR23205584

—
Feb 21, 2024

Price Change

CLAW #TR23205584MR

$9,888,000—
Nov 4, 2023

Listed (Active)

SDMLS #TR23205584

$10,880,000—
Nov 4, 2023

Listed (Active)

CLAW #TR23205584MR

$10,880,000—
Nov 4, 2023

Listed (Active)

CRMLS #TR23205584

$10,880,000—
Sep 16, 2009

Sold

CRMLS #H09015543

$5,000,000—
Sep 16, 2009

Sold

CLAW #H09015543MR

$5,000,000—
Jul 31, 2009

Pending

CRMLS #H09015543

—
Jul 31, 2009

Pending

CLAW #H09015543MR

—
Jul 21, 2009

Sold (Public Record)

Public Record #275481114

$5,000,000—
Feb 5, 2009

Listed (Active)

CLAW #H09015543MR

$5,980,000—
Feb 5, 2009

Listed (Active)

CRMLS #H09015543

$5,980,000—
DateEvent & SourcePrice
03/27/2026

Listed (Active)

SDMLS #TR26059752

$7,990,000
03/27/2026

Listed (Active)

CRMLS #TR26059752

$7,990,000
03/27/2026

Listed (Active)

CLAW #TR26059752MR

$7,990,000
09/05/2025

Expired

CRMLS #TR24161516

—
09/04/2025

Expired

SDMLS #TR24161516

$7,990,000
09/04/2025

Expired

CLAW #TR24161516MR

$7,990,000
02/15/2025

Price Change

CRMLS #TR24161516

$7,990,000
10/31/2024

Price Change

CLAW #TR24161516MR

$8,880,000
10/31/2024

Price Change

CRMLS #TR24161516

$8,880,000
08/06/2024

Listed (Active)

CRMLS #TR24161516

$9,888,000
08/05/2024

Listed (Active)

SDMLS #TR24161516

$9,888,000
08/05/2024

Listed (Active)

CLAW #TR24161516MR

$9,888,000
07/09/2024

Withdrawn / Cancelled

CRMLS #TR23205584

$9,888,000
07/09/2024

Withdrawn / Cancelled

CLAW #TR23205584MR

—
07/09/2024

Withdrawn / Cancelled

SDMLS #TR23205584

—
02/21/2024

Price Change

CLAW #TR23205584MR

$9,888,000
11/04/2023

Listed (Active)

SDMLS #TR23205584

$10,880,000
11/04/2023

Listed (Active)

CLAW #TR23205584MR

$10,880,000
11/04/2023

Listed (Active)

CRMLS #TR23205584

$10,880,000
09/16/2009

Sold

CRMLS #H09015543

$5,000,000
09/16/2009

Sold

CLAW #H09015543MR

$5,000,000
07/31/2009

Pending

CRMLS #H09015543

—
07/31/2009

Pending

CLAW #H09015543MR

—
07/21/2009

Sold (Public Record)

Public Record #275481114

$5,000,000
02/05/2009

Listed (Active)

CLAW #H09015543MR

$5,980,000
02/05/2009

Listed (Active)

CRMLS #H09015543

$5,980,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 22588 Ridge Line Road

Taxable ValueLand$3,227,057Additions$3,227,057Total$6,454,114
Tax Record2025$79,246 ($6,604 / month)
Home Facts
Beds11Total Finished SqFt17,241 SqFtAbove Grade Finished SqFt17,241 SqFtLot Size53,332 SqFtStyleSingle Family ResidenceYear Built2007ZoningLCR140000*CountyLOS ANGELESAPN8713-029-021

Schools near 22588 Ridge Line Road

This home is within Walnut Valley Unified School District.
Rating
School
Type
Grades
Distance
Evergreen Elementary School
Public - K to 5
Chaparral Middle School
Public - 6 to 8
Diamond Bar High School
Public - 9 to 12
Ron Hockwalt Academies (Continuation) School
Public - 9 to 12
Rating
School
Distance
Evergreen Elementary School
PublicK to 5

Chaparral Middle School
Public6 to 8

Diamond Bar High School
Public9 to 12

Ron Hockwalt Academies (Continuation) School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 22588 Ridge Line Road, Diamond Bar, CA 91765

22588 Ridge Line Road is a single family home for sale in Diamond Bar, CA 91765. This property was listed for sale on March 27, 2026 by ReMax 2000 Realty, it's currently listed at $7,990,000. It has been on the market for a total of 1 days and was last sold on September 16, 2009. This listing's school district is Walnut Valley Unified School District. Nearby schools include Evergreen Elementary School, Chaparral Middle School and Diamond Bar High School. 22588 Ridge Line Road is a 11-bed, 13-bath, 17,241 sqft single family home built in 2008.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of ReMax 2000 Realty, Amie Chen, DRE #01413066; ReMax 2000 Realty, Bella Le Deaux, DRE #02158081

Based on information from one of the following Multiple Listing Services: CRMLS, CLAW, I-Tech, ROWMLS, GPSMLS, SDMLS, VCRDS/PFAR, Idyllwild Association of Realtors, Ojai Valley Board of REALTORS and/or AVMLS. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by CRMLS, CLAW, I-Tech, ROWMLS, GPSMLS, SDMLS, VCRDS/PFAR, Idyllwild Association of Realtors, Ojai Valley Board of REALTORS and/or AVMLS is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.