Khanh Oberley
Douglas Elliman of CA, Inc.
(424) 407-8581
43 Total Sales
1 in Diamond Bar
$910,000 Price
800 Coldstream Ct Diamond Bar, CA 91765
Diamond Bar Area
4
Beds
3
Baths
2,522
Sq Ft
0.29
Acre Lot
Highlights
- In Ground Pool
- Primary Bedroom Suite
- Updated Kitchen
- Pantera Elementary School Rated A-
- Panoramic View
- Open Floorplan
About This Home
As of September 2026Nestled 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
Last Agent to Sell the Property
Real Broker Brokerage Phone: 6263663908 License #02245098 Listed on: 05/08/2026
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Home Details
Home Type
- Single Family
Year Built
- Built in 1988
Lot Details
- 12,607 Sq Ft Lot
- Cul-De-Sac
- Wrought Iron Fence
- Landscaped
- Paved or Partially Paved Lot
- Sprinkler System
- Back Yard
Parking
- 3 Car Direct Access Garage
- Parking Available
- Garage Door Opener
Property Views
- Panoramic
- Canyon
- Hills
- Pool
Home Design
- Entry on the 1st floor
- Spanish Tile Roof
- Stucco
Interior Spaces
- 2,522 Sq Ft Home
- 2-Story Property
- Open Floorplan
- Wet Bar
- Crown Molding
- Cathedral Ceiling
- Recessed Lighting
- Fireplace
- Entrance Foyer
- Family Room Off Kitchen
- Dining Room
- Laundry in unit
Kitchen
- Updated Kitchen
- Open to Family Room
- Breakfast Bar
- Gas Cooktop
- Range Hood
- Microwave
- Dishwasher
- Kitchen Island
- Granite Countertops
Bedrooms and Bathrooms
- 4 Bedrooms | 1 Main Level Bedroom
- Primary Bedroom Suite
- Walk-In Closet
- 3 Full Bathrooms
Pool
- In Ground Pool
- In Ground Spa
Outdoor Features
- Covered Patio or Porch
- Fire Pit
Additional Features
- Property is near park
- Central Heating and Cooling System
Listing and Financial Details
- Tax Lot 42
- Tax Tract Number 42576
- Assessor Parcel Number 8701044035
Community Details
Overview
- No Home Owners Association
- Greenbelt
Amenities
- Laundry Facilities
Recreation
- Park
- Hiking Trails
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
May 8, 2026
Closed on
Aug 25, 2026
Sold by
Qingdong Li
Bought by
Seller's Agent
Adrian Zang
Real Broker
Buyer's Agent
Ivy Kung
eCentury Mortgage & Realty Inc
List Price
$1,490,000
Sold Price
$1,270,000
Premium/Discount to List
-$220,000
-14.77%
Views
68
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
548.20%
Original Mortgage
$1,016,000
Outstanding Balance
$1,016,000
Interest Rate
6.55%
Mortgage Type
New Conventional
Estimated Equity
$378,406
Purchase Details
Listed on
Jun 3, 2015
Closed on
Dec 7, 2015
Sold by
Calimbas Augusto P and Calimbas Augusta D
Bought by
Li Qingdong
Seller's Agent
Marjhorie Florendo-D'Angelo
Diamond Hills Realty
Buyer's Agent
GRACE WEN
PARADISE R.E. INVESTMENT
List Price
$1,088,000
Sold Price
$1,078,000
Premium/Discount to List
-$10,000
-0.92%
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
1.55%
Purchase Details
Closed on
Nov 18, 2002
Sold by
Bui Md Minh Quang
Bought by
Calimbas Augusto P and Calimbas Augusta D
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$457,100
Interest Rate
5.02%
Mortgage Type
Negative Amortization
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Diamond Bar, CA
-
Khanh Oberley
-
Alejandro Martinez
Alejandro Martinez
LPT Realty, Inc
(626) 593-8719
26 Total Sales
1 in Diamond Bar
$555,000 Price
-
Leticia Sotomayor
Leticia Sotomayor
Real Brokerage Technologies, I
(909) 731-8187
77 Total Sales
2 in Diamond Bar
$725K - $945K Price Range
-
CIERA SIMS-BOTSFORD
CIERA SIMS-BOTSFORD
ANOMALY REAL ESTATE
(951) 749-9183
209 Total Sales
2 in Diamond Bar
$425K - $1.4M Price Range
-
Kenneth Tananan
Kenneth Tananan
Re/Max Top Producers
(909) 450-8850
12 Total Sales
1 in Diamond Bar
$1,380,000 Price
-
Charles Chamorro
Charles Chamorro
Che Hill
(562) 685-8867
75 Total Sales
1 in Diamond Bar
$865,000 Price
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | $1,078,000 | Wfg Title Company Of Ca | |
| Grant Deed | $508,500 | Fidelity |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Previous Owner | $417,000 | New Conventional | |
| Previous Owner | $308,524 | Credit Line Revolving | |
| Previous Owner | $250,000 | Credit Line Revolving | |
| Previous Owner | $150,000 | Credit Line Revolving | |
| Previous Owner | $300,000 | Unknown | |
| Previous Owner | $457,100 | Negative Amortization | |
| Previous Owner | $95,800 | Credit Line Revolving |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 09/01/2026 09/01/26 | Sold | $1,270,000 | -8.6% | $504 / Sq Ft | |
| 06/22/2026 06/22/26 | Price Changed | $1,390,000 | -6.7% | $551 / Sq Ft | |
| 05/27/2026 05/27/26 | For Sale | $1,490,000 | 0.0% | $591 / Sq Ft | |
| 05/20/2026 05/20/26 | Pending | -- | -- | -- | |
| 05/08/2026 05/08/26 | For Sale | $1,490,000 | +38.2% | $591 / Sq Ft | |
| 01/06/2016 01/06/16 | Sold | $1,078,000 | -- | $427 / Sq Ft | View Prior Sale |
Source: California Regional Multiple Listing Service (CRMLS)
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2026 | $17,549 | $1,301,649 | $603,733 | $697,916 |
| 2025 | $17,549 | $1,276,128 | $591,896 | $684,232 |
| 2024 | $16,190 | $1,251,107 | $580,291 | $670,816 |
| 2023 | $15,915 | $1,226,576 | $568,913 | $657,663 |
| 2022 | $15,610 | $1,202,526 | $557,758 | $644,768 |
| 2021 | $15,024 | $1,178,948 | $546,822 | $632,126 |
| 2019 | $15,373 | $1,143,982 | $530,604 | $613,378 |
| 2018 | $14,250 | $1,121,551 | $520,200 | $601,351 |
| 2016 | $8,021 | $626,085 | $322,988 | $303,097 |
| 2015 | $7,954 | $616,682 | $318,137 | $298,545 |
| 2014 | $7,789 | $604,603 | $311,906 | $292,697 |
Source: Public Records
Agents Affiliated with this Home
-
Adrian Zang
AZ
Seller's Agent in 2026
Adrian Zang
Real Broker
(626) 366-3908
5 Total Sales
-
Ivy Kung
Buyer's Agent in 2026
Ivy Kung
eCentury Mortgage & Realty Inc
(626) 382-9722
80 Total Sales
-
Marjhorie Florendo-D'Angelo
Seller's Agent in 2016
Marjhorie Florendo-D'Angelo
Diamond Hills Realty
(951) 818-6275
10 Total Sales
-
GW
Buyer's Agent in 2016
GRACE WEN
PARADISE R.E. INVESTMENT
Map
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: TR26091136
APN: 8701-044-035
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
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. 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
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