$7,990,000
22588 Ridge Line RD
Diamond Bar, CA, 91765
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:
$7,990,000
MLS #:
TR26059752
Status:
Active
Beds:
11
Baths:
13
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Mar 28, 2026
Finished Sq Ft:
17,241
Lot Size:
53,347 sqft / 1.22 acres (approx)
Year Built:
2008
PoolCommunity Gated616 – Diamond Bar616diamondbarWalnut Valley UnifiedHills
Schools
School District:
Walnut Valley Unified
Interior
Appliances
DW, FZ, MW, RF, GO, GR, GS, BIR, BBQ, CO, DO, GWH, HOD, VEF, WOD, WHC, WHU
Bathrooms
11 Full Bathrooms, 2 Half Bathrooms
Cooling
CA
Flooring
TILE, CARP
Heating
GAS, CF, FIR
Interior Features
IN, ST, VA, WB, BAR, CRWN, RECL, SUND, GRNC, PFRN, STNC, LRBA, OFP, PTRY, TSCE, _2STR, BL, CC, EV, HCEL
Laundry Features
IR, IN, UL, DINC, WINC
Levels
S
Main Level Bathrooms
4
Main Level Bedrooms
2
Exterior
Accessibility Features
ELV, _2AE, PK
Attached Garage YN
1
Common Walls
NCW
Community Features
SDW, SUB, CRB, HRS
Exterior Features
BQ
Garage Spaces
10
Other Structures
GZ
Parking Spots
10
Parking Total
10
Patio And Porch Features
CO, POF, POR
Security Features
_24HR, GC, GG, GA
Spa Features
AS, IG, PVT, COM
View
HI
Financial
HOA Fee
$308
HOA Fee Frequency
MO
Get Out There, A Simply Outgoing Approach to Life. James Outland Jr. is one of those rare people who simply has an outgoing approach to life. No matter the activity… from dune buggy riding to skydiving to motorcycling to riding the local Pismo Beach waves… James Outland Jr. approaches life with a “just get out there and do it” kind of attitude. A zest for Life. James’ zest for life is obviously apparent in his many exciting hobbies. In his spare time, he loves riding dune buggies or hi…
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Map
Current real estate data for Single Family in Diamond Bar as of Apr 06, 2026
116
Single Family Listed
71
Avg DOM
406
Avg $ / SqFt
$1,499,158
Avg List Price
Community
- Address22588 Ridge Line RD Diamond Bar CA
- CityDiamond Bar
- CountyLos Angeles
- Zip Code91765
Similar Listings Nearby
Property Summary
- 22588 Ridge Line RD Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $7,990,000 and features 11 beds, 13 baths, and has approximately 17,241 square feet of living space, and was originally constructed in 2008. The current price per square foot is $463. The average price per square foot for Single Family listings in Diamond Bar is $406. The average listing price for Single Family in Diamond Bar is $1,499,158. To schedule a showing of MLS#tr26059752 at 22588 Ridge Line RD in Diamond Bar, CA, contact your James Outland agent at 8057482262.
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 James Outland include the name of the listing broker. Neither the listing company nor James Outland 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 RD
Diamond Bar, CA























































































































































