800 Coldstream Court, Diamond Bar, CA 91765

Single-Family · For sale · $1,390,000 · MLS# TR26091136

Single-Family for sale in Southern California — $1,390,000. 4 beds · 3 baths · 2,522 sqft. Nestled in a peaceful cul-de-sac in the highly sought-after community of Diamond Bar, this beautifully renovated residence offers the perfect blend of comfort, style, and functionality. Featuring 4 spacious bedrooms p…

800 Coldstream Court
For sale

$1,390,000

800 Coldstream Court, Diamond Bar, CA 91765

4beds
3baths
2,522sqft
Single-FamilyProperty type
1988Year built
0.29 acresLot size
2,522 sqftLiving area
$551/sqftPrice / sqft
HOA
3 spacesGarage

Facts & features

Interior

Bedrooms & bathrooms

  • Bedrooms: 4
  • Bathrooms: 3
  • Full bathrooms: 3

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Included: Dishwasher, Gas Cooktop, Microwave, Refrigerator, Range Hood
  • Laundry: Inside

Interior area

  • Living area: 2,522 sqft

Property

Parking

  • Total parking spaces: 3
  • Garage spaces: 3

Lot

  • Lot size: 0.29 acres

Features

  • Pool features: In Ground, Private
  • View: Canyon, Hills, Panoramic, Pool

Construction

Type & style

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

Condition

  • Year built: 1988

Community & HOA

Community

  • Has HOA: No

Financial & listing details

  • Days on market: 82 days
  • Price / sqft: $551
  • Status: Active
  • MLS#: TR26091136

Location

  • City: Diamond Bar
  • ZIP: 91765

About this home

Nestled in a peaceful cul-de-sac in the highly sought-after community of Diamond Bar, this beautifully renovated residence offers the perfect blend of comfort, style, and functionality. Featuring 4 spacious bedrooms plus a versatile loft, this home provides exceptional flexibility for modern living — ideal as a home office, media room, kids’ play area, or potential 5th bedroom. Extensively updated in 2023, the interior showcases contemporary finishes, upgraded flooring, stylish lighting, and a bright open-concept layout designed for both everyday living and entertaining. The spacious living and dining areas flow seamlessly into the beautifully updated kitchen, creating a warm and inviting atmosphere filled with natural light. Step outside to your private backyard retreat situated on a generously sized lot, complete with a sparkling pool & spa perfect for enjoying Southern California living year-round. The expansive outdoor space offers endless possibilities for entertaining, relaxing, gardening, or exploring potential ADU opportunities (buyer to independently verify with city). Conveniently located near top-rated schools, parks, shopping centers, dining, and major freeways, this property combines tranquility with accessibility. Whether you're looking for a comfortable family home, an entertainer’s dream, or an investment with future upside, this exceptional Diamond Bar property delivers outstanding value and lifestyle. All information is deemed reliable but not guaranteed. Buyers are advised to independently verify all property details, permits, square footage, zoning, and potential uses to their satisfaction

Listing updated: July 18, 2026 at 5:11 PM

Listed by: Adrian Zang, Real Broker

Source: CRMLS, MLS#: TR26091136, 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: 4
  • Bathrooms: 3
  • Full bathrooms: 3

Heating

  • Heating: Central

Cooling

  • Cooling: Central Air

Appliances

  • Included: Dishwasher, Gas Cooktop, Microwave, Refrigerator, Range Hood
  • Laundry: Inside

Interior area

  • Living area: 2,522 sqft

Property

Parking

  • Total parking spaces: 3
  • Garage spaces: 3

Lot

  • Lot size: 0.29 acres

Features

  • Pool features: In Ground, Private
  • View: Canyon, Hills, Panoramic, Pool

Construction

Type & style

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

Condition

  • Year built: 1988

Community & HOA

Community

  • Has HOA: No

Financial & listing details

  • Days on market: 82 days
  • Price / sqft: $551
  • Status: Active
  • MLS#: TR26091136

Location

  • City: Diamond Bar
  • ZIP: 91765

Price history

DateEventPrice
6/22/2026Source: CRMLS, #TR26091136Price change$1,390,000$551/sqft-6.7%
5/08/2026Source: CRMLS, #TR26091136Listed for sale$1,490,000$591/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 17:11:39 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