Highly motivated seller ready to make a quick sale-bring your serios offers today! Located within Diamond Bar’s prestigious guard-gated community of “The Country,” this magnificent custom estate offers an extraordinary blend of luxury, scale, and breathtaking mountain views. Spanning an expansive ‘7,884 sq. ft.”‘ of living space, the residence features “6 bedrooms and 8 bathrooms”, along with a convenient elevator servicing all 4 levels plus an upper loft. Designed for grand entertaining and modern living, the home highlights ” a rare indoor basketball court with high ceilings”—easily adaptable into a grand game room, home theater, or entertainment hall. Step outside to your private resort-style oasis complete with ” an infinity pool “overlooking stunning canyon and mountain vistas. Zoned for the highly acclaimed Walnut Valley Unified School District, this exceptional property delivers ultimate privacy and prestige. Exceptional value and priced for a quick sale.
Property Details
Price:
$3,070,000
MLS #:
TR26225673
Status:
Active
Beds:
6
Baths:
8
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Oct 18, 2026
Finished Sq Ft:
7,884
Lot Size:
47,743 sqft / 1.10 acres (approx)
Year Built:
1987
See this Listing
Schools
School District:
Walnut Valley Unified
Elementary School:
Evergreen
Middle School:
Chaparral
High School:
Diamond Bar
Interior
Bathrooms
8 Full Bathrooms
Cooling
Dual, Central Air
Heating
Central
Laundry Features
Inside, Laundry Room
Levels
Three Or More
Main Level Bathrooms
5
Main Level Bedrooms
4
Exterior
Association Amenities
Tennis Court(s), Pool, Clubhouse, Spa/Hot Tub
Attached Garage YN
1
Common Walls
No Common Walls
Community Features
Street Lights
Covered Spaces
3
Garage Spaces
3
Lot Features
0-1 Unit/Acre
Parking Spots
3
Parking Total
3
Stories
4
View
City Lights, Canyon
Financial
HOA Fee
$264
HOA Fee Frequency
Monthly
HOA Name
Seabreeze
HOA Phone
9098614114
Map
Community
- Address23240 Ridge Line 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
148
Single Family Listed
79
Avg DOM
425
Avg $ / SqFt
$1,373,523
Avg List Price
Property Summary
- 23240 Ridge Line Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $3,070,000 and features 6 beds, 8 baths, and has approximately 7,884 square feet of living space, and was originally constructed in 1987. The current price per square foot is $389. The average price per square foot for Single Family listings in Diamond Bar is $425. The average listing price for Single Family in Diamond Bar is $1,373,523.
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Courtesy of Universal Elite Inc.. 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 include the name of the listing broker. Neither the listing company nor 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.23240 Ridge Line
Diamond Bar, CA