22588 Ridge Line Road Diamond Bar CA 91765 | MLS #TR26059752
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.
Property Details
Price:
$6,500,000
MLS #:
TR26059752
Status:
Active
Beds:
11
Baths:
12
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Mar 27, 2026
Finished Sq Ft:
17,241
Lot Size:
53,347 sqft / 1.22 acres (approx)
Year Built:
2008
PoolTennisCommunity Gated616 – Diamond Bar616diamondbarWalnut Valley UnifiedHills
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Schools
School District:
Walnut Valley Unified
Interior
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
Bathrooms
11 Full Bathrooms, 2 Half Bathrooms
Cooling
Central Air
Flooring
Tile, Carpet
Heating
Fireplace(s), Natural Gas, Central
Interior Features
Central Vacuum, 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
Laundry Features
Inside, Laundry Room, Upper Level, Washer Included, Dryer Included
Levels
Multi/Split
Main Level Bathrooms
4
Main Level Bedrooms
2
Exterior
Accessibility Features
2+ Access Exits, Parking, Accessible Elevator Installed
Association Amenities
Spa/Hot Tub, Trail(s), Picnic Area, Security, Management, Horse Trails, Tennis Court(s), Pickleball, Pool, Barbecue, Clubhouse, Sport Court, Guard, Playground
Attached Garage YN
1
Common Walls
No Common Walls
Community Features
Curbs, Horse Trails, Sidewalks, Suburban
Covered Spaces
10
Exterior Features
Barbecue
Garage Spaces
10
Lot Features
Lot Over 40000 Sqft, Landscaped, 0-1 Unit/Acre, Sprinkler System
Open Parking YN
1
Other Structures
Gazebo
Parking Features
Garage, Direct Access, Driveway, Private, Garage Faces Side, Oversized
Parking Spots
10
Parking Total
10
Patio And Porch Features
Covered, Front Porch, Rear Porch
Security Features
Gated with Attendant, 24 Hour Security, Gated with Guard, Gated Community
Spa Features
Association, In Ground, Community, Private
Stories
3
View
Hills
Financial
HOA Fee
$308
HOA Fee Frequency
Monthly
HOA Name
Diamond Bar Country Estate
HOA Phone
909-861-4114
Map
Community
- Address22588 Ridge Line Road Diamond Bar CA
- CityDiamond Bar
- CountyLos Angeles
- Zip Code91765
Market Summary
Current real estate data for Single Family in Diamond Bar as of Oct 19, 2026
118
Single Family Listed
91
Avg DOM
527
Avg $ / SqFt
$1,776,616
Avg List Price
Property Summary
- 22588 Ridge Line Road Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $6,500,000 and features 11 beds, 12 baths, and has approximately 17,241 square feet of living space, and was originally constructed in 2008. The current price per square foot is $377. The average price per square foot for Single Family listings in Diamond Bar is $527. The average listing price for Single Family in Diamond Bar is $1,776,616. To schedule a showing of MLS#tr26059752 at 22588 Ridge Line Road in Diamond Bar, CA, contact your Compass agent at 310.409.7242.
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Courtesy of ReMax 2000 Realty. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than Compass include the name of the listing broker. Neither the listing company nor Compass shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.22588 Ridge Line Road
Diamond Bar, CA
