Listed by Amie Chen, ReMax 2000 Realty, (626) 956-0188
22588 Ridge Line Rd
Diamond Bar, CA 91765
- 11 Beds
- 12 Baths
- 17,241 sqft (on 1.22 acres)
11 Beds
12 Baths
17,241 sqft
(on 1.22 acres)
Local Information
© Google
-- mins to
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.
Home Highlights
Parking
10 Car Garage
Outdoor
Porch, Pool
A/C
Heating & Cooling
HOA
$308/Monthly
Price/Sqft
$405
Listed
74 days ago
Home Details for 22588 Ridge Line Rd
|
|---|
Interior Details Number of Rooms: 12Types of Rooms: Master Bedroom, Master Bathroom, Bathroom, Bonus Room, Den, Foyer, Kitchen, Laundry, Projection Room, RecreationWet Bar |
Beds & Baths Number of Bedrooms: 11Main Level Bedrooms: 2Number of Bathrooms: 13Number of Bathrooms (full): 11Number of Bathrooms (half): 2Number of Bathrooms (main level): 4 |
Dimensions and Layout Living Area: 17241 Square Feet |
Appliances & Utilities 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, WasherDishwasherDryerLaundry: Inside,Laundry Room,Upper LevelMicrowaveRefrigeratorWasher |
Heating & Cooling Heating: Central,Fireplace(s),Natural GasHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central |
Fireplace & Spa Fireplace: Living RoomSpa: Association, Community, In Ground, PrivateHas a FireplaceHas a Spa |
Windows, Doors, Floors & Walls Flooring: Carpet, TileCommon Walls: No Common Walls |
Levels, Entrance, & Accessibility Number of Stories: 3Levels: Multi/SplitEntry Location: front doorAccessibility: Safe Emergency Egress from Home, Accessible Elevator Installed, ParkingElevatorFloors: Carpet, Tile |
View Has a ViewView: Hills |
Security Security: Gated with Guard, Gated Community, Gated with Attendant, 24 Hour Security |
|
|---|
Exterior Home Features Patio / Porch: Rear Porch, Covered, Front PorchOther Structures: GazeboExterior: BarbecueHas a Private Pool |
Parking & Garage Number of Garage Spaces: 10Number of Covered Spaces: 10Has a GarageHas an Attached GarageParking Spaces: 10Parking: Direct Access,Driveway,Garage,Oversized,Private,Garage Faces Side |
Pool Pool: Community, Fenced, In Ground, Private, AssociationPool |
Frontage Not on Waterfront |
Water & Sewer Sewer: Public Sewer |
Farm & Range Horse Amenities: Riding Trail |
Surface & Elevation Elevation Units: Feet |
|
|---|
Cumulative Days on Market: 54Days on Market: 74 |
|
|---|
Year Built Year Built: 2008 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: HouseArchitecture: House |
Building Not a New ConstructionNot Attached PropertyNo Additional Parcels |
Property Information Parcel Number: 8713029021 |
|
|---|
Price List Price: $6,990,000Price Per Sqft: $405 |
|
|---|
MLS Status: Active |
|
|---|
Direction & Address City: Diamond Bar |
School Information High School District: Walnut Valley Unified |
|
|---|
Listing Agent Listing ID: TR26059752 |
|
|---|
Community Features: Curbs, Horse Trails, Suburban, Sidewalks, Gated, PoolNot Senior Community |
|
|---|
HOA Name: Diamond Bar Country EstateHOA Phone: 909-861-4114Association for this Listing: California Regional MLSHas an HOAHOA Fee: $308/Monthly |
|
|---|
Lot Area: 1.2247 Acres |
|
|---|
Special Conditions: Standard |
|
|---|
Listing Terms: Cash, Cash to New Loan |
|
|---|
Mls Number: TR26059752Living Area Range Units: Square FeetAttribution Contact: 626-806-5266Common Interest: NoneUniversal Property Id: US-06037-N-8713029021-R-N |
|
|---|
IntercomHOA Amenities: Clubhouse,Sport Court,Horse Trail(s),Management,Barbecue,Picnic Area,Playground,Pickleball,Pool,Guard,Spa/Hot Tub,Security,Tennis Court(s),Trail(s)Source Internet Entire Listing Display |
Last check for updates: about 2 hours ago
Listing Provided by: Amie Chen DRE #01413066, (626) 806-5266
ReMax 2000 Realty
Bella Le Deaux DRE #02158081
ReMax 2000 Realty
Originating MLS: California Regional MLS
Source: CRMLS, MLS#TR26059752

Also Listed on CRMLS.
Market trends in Diamond Bar
Last updated April 2026
Avg. sale price
$1.05M $51.67KMoM
Sale-to-List Price
99.7% 0.3%MoM
Price per sq ft
$556 $16MoM
Available listings
159 5MoM
Price History for 22588 Ridge Line Rd
| Date | Price | Event | Source |
|---|---|---|---|
| 05/20/2026 | $6,990,000 | PriceChange | CRMLS #TR26059752 |
| 03/27/2026 | $7,990,000 | Listed For Sale | CRMLS #TR26059752 |
| 09/05/2025 | $7,990,000 | ListingRemoved | SDMLS #TR24161516 |
| 06/23/2025 | $7,990,000 | Listed For Sale | SDMLS #TR24161516 |
| 01/01/2010 | $5,980,000 | ListingRemoved | Agent Provided |
| 10/19/2009 | $5,980,000 | Listed For Sale | Agent Provided |
| 09/16/2009 | $5,000,000 | Sold | N/A |
| 06/09/2000 | $690,000 | Sold | N/A |
Similar Homes You May Like
New Listings near 22588 Ridge Line Rd
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $79,246 |
| Assessment | $6,454,114 |
Home facts updated by county records
Comparable Sales for 22588 Ridge Line Rd
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.45 | Single-Family Home | $5,050,000 | 08/29/25 | 7 | 10 | 12,098 | |
0.04 | Single-Family Home | $2,790,000 | 12/09/25 | 5 | 5 | 4,809 | |
0.72 | Single-Family Home | $5,700,000 | 11/24/25 | 7 | 9 | 10,658 | |
0.52 | Single-Family Home | $7,000,000 | 06/05/26 | 5 | 7 | 10,638 | |
0.93 | Single-Family Home | $3,900,000 | 11/24/25 | 7 | 8.5 | 9,557 | |
0.72 | Single-Family Home | $3,140,000 | 12/11/25 | 6 | 9 | 6,013 | |
1.09 | Single-Family Home | $4,088,899 | 05/18/26 | 7 | 7.5 | 8,018 | |
0.61 | Single-Family Home | $2,650,000 | 04/30/26 | 5 | 4.5 | 4,850 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 22588 Ridge Line Rd.
What Locals Say about Diamond Bar
At least 313 Trulia users voted on each feature.
89 % Say it's dog friendly
88 % Say there are sidewalks
85 % Say car is needed
81 % Say streets are well-lit
78 % Say parking is easy
77 % Say yards are well-kept
74 % Say it's quiet
66 % Say there's holiday spirit
65 % Say people would walk alone at night
64 % Say there's wildlife
60 % Say they plan to stay for at least 5 years
50 % Say kids play outside
48 % Say it's walkable to grocery stores
47 % Say neighbors are friendly
45 % Say it's walkable to restaurants
25 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Amie Chen, ReMax 2000 Realty
Agent Phone: (626) 806-5266

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-02-09 09:51:42 PST 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
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-02-09 09:51:42 PST 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
22588 Ridge Line Rd, Diamond Bar, CA 91765 is a 11 bedroom, 13 bathroom, 17,241 sqft single-family home built in 2008. This property is currently available for sale and was listed by CRMLS on Mar 27, 2026. The MLS # for this home is MLS# TR26059752.

