For Sale
New
Single family home for sale at 1809 Diamond Knoll, Diamond Bar, CA 91765 | MLS# DW26217188 | Listing updated on 2026-10-07
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Listed by: Monica De La Riva (714) 552-4222 DRE #01782939 | Lux Bancorp (213) 294-9266

$4,000,000

Monthly Est:$19,909

  • Beds Icon6 Beds
  • Beds Icon
    5 Baths
  • Beds Icon5,797sqft

1809 Diamond Knoll, Diamond Bar, CA 91765

$19,909/moEst:

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  • Single Family Residence

  • Built in 1992

  • $308/mo HOA

  • 1.04 acres lot

  • $690/sq.ft

Description

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!

  • Houzeo last checked: 2 minutes ago
  • Listing updated: October 7, 2026 at 1:15 pm
  • Source: California Regional MLS-CA | MLS#: DW26217188 California Regional MLS-CA

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    2

  • County

    Los Angeles County

  • City

    Diamond Bar

  • Neighborhood

    --

  • Year Built

    1992

  • HOA Fees

    $308/mo

  • Finished Area

    5,797 sqft

  • Lot Size

    1.04 acres lot

  • Basement Area

    - sqft

  • MLS Name

    California Regional MLS

  • MLS Number

    DW26217188

  • MLS Status

    Active

  • Days on Market

    2

  • Cumulative Days on Market

    1

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Location

HOA Management

DBCEA

HOA Fees

$308/ Monthly

Amenities

Amenities and services may be covered by one or multiple associations and service providers.

Spa Spa

Security Guard Security Guard

Pool Pool

Club House Club House

Sports Court Sports Court

FirePit FirePit

Barbecue Barbecue

Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 6

    Bathrooms: 5

Interior

  • Heating

    Central

  • Cooling

    Central Air

  • Interior Features

    Bedroom On Main Level

  • Sewer

    Sewer Tap Paid

Utilities & Energy

  • Water Source

    Public

  • Fireplace Features

    Family Room, Living Room, Primary Bedroom

  • Association Amenities

    Clubhouse, Fire Pit, Barbecue, Pickleball, Pool, Guard, Sauna, Spa Hot Tub, Security

  • Laundry Features

    Laundry Room

  • Pool Features

    In Ground, Private, Association

Other Features

  • Community Features

    Hiking

  • Lot Features

    Zero To One Unit Acre

Price History

DateEventPrice

10/06/2026

Source: mls_logoCalifornia Regional MLS-CA #DW26217188

Listed for Sale

$4,000,000

$690/sqft

Nearby Homes

Based on information from California Regional Multiple Listing Service, Inc. as of Oct 08, 2026, 11:00PM and /or other sources. 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 being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.

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