20951 High Country, Diamond Bar, CA 91789

Single-Family · For sale · $1,280,000 · MLS# WS26099443

Single-Family for sale in Southern California — $1,280,000. 3 beds · 3 baths · 2,178 sqft. Welcome to this stunning hilltop residence in the prestigious High Country community of Diamond Bar, offering breathtaking mountain and neighborhood views, exceptional privacy, and a highly desirable floor plan. This…

20951 High Country
For sale

$1,280,000

20951 High Country, Diamond Bar, CA 91789

3beds
3baths
2,178sqft
Single-FamilyProperty type
1986Year built
7,040 sqft lotLot size
2,178 sqftLiving area
$588/sqftPrice / sqft
$108/moHOA
3 spacesGarage

Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 3
  • Bathrooms: 3
  • Full bathrooms: 3

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Laundry: Laundry Room

Interior area

  • Living area: 2,178 sqft

Property

Parking

  • Total parking spaces: 3
  • Garage spaces: 3

Lot

  • Lot size: 7,040 sqft

Features

  • Pool features: None
  • View: City Lights, Mountains, Neighborhood

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 1986

Community & HOA

Community

  • Has HOA: No
  • HOA fee: $108/mo

Financial & listing details

  • Days on market: 72 days
  • Price / sqft: $588
  • Status: Active
  • MLS#: WS26099443

Location

  • City: Diamond Bar
  • ZIP: 91789

About this home

Welcome to this stunning hilltop residence in the prestigious High Country community of Diamond Bar, offering breathtaking mountain and neighborhood views, exceptional privacy, and a highly desirable floor plan. This beautifully maintained home features approximately 2,178 square feet of living space with 3 spacious bedrooms with converted garage room, 3 bathrooms, soaring ceilings, abundant natural light, and an elegant formal living and dining area perfect for entertaining. The upgraded kitchen opens to a warm and inviting family room with fireplace, creating the ideal everyday gathering space. Upstairs, the expansive primary suite serves as a private retreat with scenic views, generous closet space, and a spa-like bath. Additional flexible living areas provide options for a home office, gym, or guest accommodations. Situated on an oversized lot with a wraparound yard, this property offers plenty of room for outdoor dining, gardening, or future customization. Located within the highly acclaimed Walnut Valley Unified School District and just minutes from shopping, dining, parks, and convenient freeway access, this is a rare opportunity to own a view home in one of Diamond Bar’s most sought-after neighborhoods.

Listing updated: July 18, 2026 at 7:42 PM

Listed by: LYANA FUNG, Pinnacle Real Estate Group

Source: CRMLS, MLS#: WS26099443, Originating MLS: California Regional MLS

Location

Explore parks, streets, and what's around this home.

Diamond Bar

Contact a buyer's agent

Connect with a local buyer's agent about this home.

By pressing Next, you agree that The Slava House and their real estate professionals, including Slava Ploshkin, may call/text you about your inquiry, which may involve use of automated means and prerecorded/artificial voices. You don't need to consent as a condition of buying any property, goods, or services. Message/data rates may apply. You also agree to our Terms of Use.

Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 3
  • Bathrooms: 3
  • Full bathrooms: 3

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Laundry: Laundry Room

Interior area

  • Living area: 2,178 sqft

Property

Parking

  • Total parking spaces: 3
  • Garage spaces: 3

Lot

  • Lot size: 7,040 sqft

Features

  • Pool features: None
  • View: City Lights, Mountains, Neighborhood

Construction

Type & style

  • Home type: Single-Family
  • Property subtype: Single Family Residence

Condition

  • Year built: 1986

Community & HOA

Community

  • Has HOA: No
  • HOA fee: $108/mo

Financial & listing details

  • Days on market: 72 days
  • Price / sqft: $588
  • Status: Active
  • MLS#: WS26099443

Location

  • City: Diamond Bar
  • ZIP: 91789

Price history

DateEventPrice
5/07/2026Source: CRMLS, #WS26099443Listed for sale$1,280,000$588/sqft
California Regional Multiple Listing Service (CRMLS)

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.

Based on information from California Regional Multiple Listing Service, Inc. as of 2026-07-18 19:42:12 PDT 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