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Back 800 Coldstream Court
Off Market

800 Coldstream Court

Diamond Bar CA 91765

4
3
3
2522 sq. ft.
12607 sq. ft.
Single-Family
Last sold for $1,270,000
Adrian ZangAdrian Zang, last sold this property on 01 September 2026 after 115 days on market.

Overview

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

Features

4 bedrooms
3 bathrooms
3 carspaces
3 garage spaces
2522 sq. ft. floor area
12607 sq. ft. lot size
Single-Family

Estimated Value

Based on this property and similar 4 bedroom single-family properties sold in Diamond Bar over the last 12 months, the estimated median property value of 800 Coldstream Court is $1.24m.

Median value
$1.24m
Estimated value range
$765k - $2.55m
Median days on market
13
Estimated value trend
5%
increase over the last 12 months
Average days on market is based on recent, comparable sales in Diamond Bar. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 800 Coldstream Court

2026
Sold
$1,270,000
01 Sep 2026 by Adrian Zang, of Real Broker

Happy sellers in Diamond Bar

87%
87% of sellers in Diamond Bar reported that their sale price either exceeded or met their price expectations.

Diamond Bar stands out for consistently delivering exceptional satisfaction and strong market results for homeowners.

This is based on voluntary sentiment collected from 3 reviews in Diamond Bar over the last 12 months.

Local market activity for 4 bedroom single-family properties in Diamond Bar

In the last 12 months, 131 four-bedroom single-family properties similar to 800 Coldstream Court, have been sold.

This represents a 11% decrease in four-bedroom single-family properties sales when compared to the previous 12 months.

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Diamond Bar

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Mauricio Rodriguez

Mauricio Rodriguez is a recommended agent for Diamond Bar.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (1 review)
  •  1 Review in Diamond Bar
  •  1 Sale in Diamond Bar
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Stanley Escobar

Stanley Escobar is a recommended agent for Diamond Bar.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (33 reviews)
  •  1 Review in Diamond Bar
  •  1 Sale in Diamond Bar
View profile
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Lan "Gloria" Xiao

Lan "Gloria" Xiao is an award winning recommended agent for Diamond Bar.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (110 reviews)
  •  1 Review in Diamond Bar
  •  1 Sale in Diamond Bar
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George Najem

George Najem is a recommended agent for Diamond Bar.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (4 reviews)
  •  1 Review in Diamond Bar
  •  1 Sale in Diamond Bar
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