Coldwell Banker Home Page
Skip to main contentColdwell Banker Home Page

Local Realty Service Provided By: Coldwell Banker Realty

Property view
Listing view 2
Listing view 3

23240 Ridge Line, 
Diamond Bar, CA 91765

$3,070,000

6

Beds

8

Baths

7,884

Sq Ft

Single Family

Active

Listed by

Julie Cheng

Universal Elite Inc.

, 

Non Listed Office

Last updated:

October 19, 2026, 02:38 AM

MLS#

TR26225673

Source:

San Diego MLS via CRMLS

About This Home

23240 Ridge Line

Highly motivated seller ready to make a quick sale-bring your serios offers today! Located within Diamond Bars 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.

Home Facts

Single Family

8 Baths

6 Bedrooms

Built in 1987

Price Summary

3,070,000

$389 per Sq. Ft.

MLS #:

TR26225673

Last Updated:

October 19, 2026, 02:38 AM

Added:

2 day(s) ago

Rooms & Interior

Bedrooms

Total Bedrooms:

6

Bathrooms

Total Bathrooms:

8

Full Bathrooms:

8

Interior

Living Area:

7,884 Sq. Ft.

Structure

Structure

Building Area:

7,884 Sq. Ft.

Year Built:

1987

Finances & Disclosures

Finances

Price:

$3,070,000

Price per Sq. Ft:

$389 per Sq. Ft.

MLS Logo
This information is deemed reliable but not guaranteed. You should rely on this information only to decide whether or not to further investigate a particular property. BEFORE MAKING ANY OTHER DECISION, YOU SHOULD PERSONALLY INVESTIGATE THE FACTS (e.g. square footage and lot size) with the assistance of an appropriate professional. You may use this information only to identify properties you may be interested in investigating further. All uses except for personal, non-commercial use in accordance with the foregoing purpose are prohibited. Redistribution or copying of this information, any photographs or video tours is strictly prohibited. This information is derived from the Internet Data Exchange (IDX) service provided by San Diego MLS®. Displayed property listings may be held by a brokerage firm other than the broker and/or agent responsible for this display. The information and any photographs and video tours and the compilation from which they are derived is protected by copyright. Compilation © 2020 San Diego MLS®, Inc.

Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.

Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.