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3000 Windmill, 
Diamond Bar, CA 91765

$5,380,000

8

Beds

8

Baths

8,725

Sq Ft

Single Family

Virtual Tour

Active

Listed by

Jen Huang

Win Tech Investment

, 

Non Listed Office

Last updated:

July 14, 2026, 05:20 PM

MLS#

TR26147834

Source:

San Diego MLS via CRMLS

About This Home

3000 Windmill

**THE LAND & LOCATION** 1. PREMIER LOCATION: Perched at 1,100+ ft elevation - one of the highest points in "The Country". 2. VIEWS FOR DAYS: Unobstructed 180 Panoramic Mountain + City Light Views. 3. MASSIVE LOT: 53,055 sqft total. 21,620 sqft of FLAT, usable land. 249.71 ft corner lot frontage. 4. SECURITY: 24-Hour Gated Community. Walnut Valley USD - Diamond Bar HS 10/10. **THE STRUCTURE - BUILT TO LAST** 5. COMMERCIAL-GRADE BUILD: First owner was a commercial developer. Structure + Foundation built to commercial standards. 6. 2,000 SQFT BASEMENT: Includes a reinforced bomb shelter, currently configured as a 120-ft private indoor shooting range. 7. GUEST HOUSE: Detached 2-Bed guest quarters in the side yard. Perfect for family, staff, or income. **THE LEGACY - YOU CANNOT REPLICATE THIS** 8. THE ORCHARD: Backyard is a private botanical sanctuary with 60+ YEAR OLD trees. Avocado, Dragon Fruit, Passion, Citrus, Guava, Macadamia etc 9. WATER FEATURE: Koi Fish Pond + Waterfall for total serenity. 10. 2026 LEGACY RENOVATION: $150,000 Chef's Kitchen Renovation Complete. Featuring Full Miele Appliance Suite, Pot Filler, Double Dishwashers, Zellige Tile & Quartz Island. 5 Bedrooms, Dining & Living Room updated. Move-in ready. This property is for a buyer who values PRIVACY, SECURITY, LAND, and LEGACY.

Home Facts

Single Family

8 Baths

8 Bedrooms

Built in 1975

Price Summary

5,380,000

$616 per Sq. Ft.

MLS #:

TR26147834

Last Updated:

July 14, 2026, 05:20 PM

Added:

9 day(s) ago

Rooms & Interior

Bedrooms

Total Bedrooms:

8

Bathrooms

Total Bathrooms:

8

Full Bathrooms:

7

Interior

Living Area:

8,725 Sq. Ft.

Structure

Structure

Architectural Style:

Custom Built

Building Area:

8,725 Sq. Ft.

Year Built:

1975

Finances & Disclosures

Finances

Price:

$5,380,000

Price per Sq. Ft:

$616 per Sq. Ft.

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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.