**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.
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.
Property Details
Price:
$5,380,000
MLS #:
TR26147834
Status:
Active
Beds:
8
Baths:
8
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
616diamondbar
Listed Date:
Jul 7, 2026
Finished Sq Ft:
8,725
Lot Size:
53,055 sqft / 1.22 acres (approx)
Year Built:
1975
See this Listing
Schools
School District:
Walnut Valley Unified
Middle School:
Southpoint
High School:
Diamond Bar
Interior
Appliances
DW, FZ, GD, IM, MW, RF, ESA, ES, GR, GS, BIR, EO, ER, _6BS, CO, DO, GWH, GRL, HOD, SCO, VEF, WHU
Bathrooms
6 Full Bathrooms, 1 Three Quarter Bathroom, 1 Half Bathroom
Below Grade Finished Area
2000
Cooling
CA, DL, ELC, GAS, WW, ZN, ES, HE
Flooring
TILE, WOOD
Heating
GAS, ZN, CF, FIR, ES
Interior Features
BI, CF, PC, HA, IN, ST, VA, WB, BAR, CRWN, DBAR, PHSY, RECL, TRAK, DATA, SUND, BLKW, BRKW, LRBA, OFP, PTRY, PDSA, TSCE, BC, CC, HCEL, ILFP, QTZC
Laundry Features
ELC, GAS, GE, IR, DINC, WH, WINC
Levels
A, S
Main Level Bathrooms
5
Main Level Bedrooms
7
Exterior
Accessibility Features
_2AE, _36W, PK, DIF
Architectural Style
CB
Attached Garage YN
1
Common Walls
NCW
Community Features
SDW, VLY, BLM, CRB, FHL, HRS, HNT, MTN, GOLF, PARK, WATE, HIKI, BIKI, DGP
Construction Materials
BLK, BRK, CON, DWAL
Exterior Features
LIT, RG
Fencing
MASN
Garage Spaces
3
Green Energy Efficient
HVC
Other Structures
SBL, GR, GH, GHD
Parking Spots
3
Parking Total
3
Patio And Porch Features
CO, EN, PTO, PO, POR
Roof
TLE
Security Features
EXL, SD, _24HR, AG, COD, PRKG, FSDS, GC, GG, GRD, MGR, GA
Spa Features
AG, BA
View
CN, CI, CY, HI, MT, BLF
Waterfront Features
POL
Window Features
SCR, CWC
Financial
HOA Fee
$350
HOA Fee Frequency
MO
Map
Community
- Address3000 Windmill Diamond Bar CA
- CityDiamond Bar
- CountyLos Angeles
- Zip Code91765
Market Summary
Current real estate data for Single Family in Diamond Bar as of Jul 16, 2026
116
Single Family Listed
76
Avg DOM
431
Avg $ / SqFt
$1,511,069
Avg List Price
Property Summary
- 3000 Windmill Diamond Bar CA is a Single Family for sale in Diamond Bar, CA, 91765. It is listed for $5,380,000 and features 8 beds, 8 baths, and has approximately 8,725 square feet of living space, and was originally constructed in 1975. The current price per square foot is $617. The average price per square foot for Single Family listings in Diamond Bar is $431. The average listing price for Single Family in Diamond Bar is $1,511,069.
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Courtesy of Win Tech Investment. 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.3000 Windmill
Diamond Bar, CA