---
listing_id: CRDW26217188
status: Active
price: 4000000
beds: 6
baths_full: 5
baths_half: 0
sqft_living: 5797
sqft_lot: 45189
lot_acres: 1.037
year_built: 1992
property_type: Residential
property_subtype: Single Family Residence
address: "1809 Diamond Knoll"
city: Diamond Bar
state: CA
zip: 91765
county: "Los Angeles County"
lat: 33.993128
lng: -117.8052065
days_on_market: 1
hoa_fee: 308
hoa_frequency: Monthly
garage_spaces: 6
list_agent: "Monica De La Riva"
list_office: "Lux Bancorp"
list_agent_phone: "(714) 552-4222"
list_agent_license: 01782939
mls_source: CRMLS
modified: 2026-10-07
transaction_type: buy
---

Home | Los Angeles County | Diamond Bar | 91765 | 1809 Diamond Knoll

1809 Diamond Knoll, Diamond Bar, CA 91765

MLS: CRDW26217188 | Status: Active | Price: $4,000,000
Beds/Baths: 6 / 5
Property Type: Residential

Quick Facts

Beds Baths Sq Ft Acres Lot Yr Built
6 5 5,797 1.037 1992

Remarks

STUNNING DIAMOND BAR ESTATE WITH PANORAMIC VIEWS! Welcome to luxury living in an exclusive gated community in the prestigious Diamond Bar Hills. This immaculate estate offers breathtaking mountain views, soaring vaulted ceilings, beautiful hardwood floors, and an open, light filled floor plan. The gourmet kitchen features quartz countertops, oversized island, stainless-steel appliances, and a stunning glass tile backsplash. The spacious primary suite offers panoramic views and a private wrap-around balcony. Step into your own resort style backyard with a sparkling pool & spa, waterfall grotto, hot tub, built-in BBQ, and gazebo perfect for entertaining or relaxing. A guest house and private gym add even more versatility. Located near premier golf, dining, fitness, and highly acclaimed Walnut Valley Unified schools. Privacy. Luxury. Views. Resort-style living. This exceptional Diamond Bar estate is one you won’t want to miss!

MLS Listing Information

Field Value
MLS # CRDW26217188
MLS Source California Regional MLS
Days on Site 1

Features

Interior Features

Feature Details
Bedrooms Ground Floor Bedroom
Fireplace Family Room, Living Room, Primary Bedroom
Laundry In Laundry Room
Cooling Central Forced Air
Heating Central Forced Air

Exterior Features

Feature Details
Pool Community Facility, In Ground, Pool - Yes

Parking, School, and Other Information

Feature Details
Garage/Parking Garage: 6 Car(s)
Elementary District Walnut Valley Unified
High School District Walnut Valley Unified
HOA Fee $308
HOA Fee Frequency Monthly
Complex Amenities Barbecue Area, Club House, Community Pool

Contact Information

Monica De La Riva
Lux Bancorp
License #: 01782939
Phone: (714) 552-4222

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
Quail Summit Elementary School public K-5 0.37 mi 9
Chaparral Middle School public 6-8 0.77 mi 10
Maple Hill Elementary School public K-5 1.15 mi 10
Pantera Elementary School public K-6 1.49 mi 10
Lorbeer Middle School public 7-8 1.68 mi 5
Evergreen Elementary School public K-5 1.88 mi 9
Armstrong Elementary School public K-6 2.04 mi 5
Diamond Bar High School public 9-12 2.11 mi 10
Golden Springs Elementary School public K-6 2.20 mi 7
South Pointe Middle School public 6-8 2.49 mi 10
Diamond Ranch High School public 9-12 2.51 mi 8
Castle Rock Elementary School public K-5 2.66 mi 10
Walnut Valley Adult public UG 2.85 mi N/A
Walnut Elementary School public K-5 2.85 mi 9
Hidden Trails Elementary School public K-6 2.96 mi 10
Country Springs Elementary School public K-6 3.04 mi 10
Ron Hockwalt Academies (Continuation) School public 9-12 3.11 mi N/A
Ranch Hills Elementary School public K-6 3.15 mi 7
Walnut High School public 9-12 3.24 mi 10
Canyon Hills Junior High School public 7-8 3.37 mi 8

Nearby Homes

Address Price Beds Baths Sq Ft Status
22189 Rim Fire Ln $3,980,000 5 5/1 6,352 Active
2820 Shadow Canyon Dr $3,980,000 8 8/1 8,264 Active
2740 Shadow Canyon $3,990,000 6 6/1 7,917 PendingDoNotShow
2656 Indian Creek Rd $3,580,000 5 5/1 5,734 Active

Disclosures

©2026 California Regional MLS. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from California Regional MLS.

Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.

This listing information is up-to-date as of October 07, 2026. For the most current information, please contact Monica De La Riva, (714) 552-4222.