21253 COLD SPRING Ln, Diamond Bar, CA 91765

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Off Market Apr 2010 for $403K

$916,992

Est. refi paymentEst. refi $2,625/mo

•

1,252

sq ft

21253 COLD SPRING Ln, Diamond Bar, CA 91765

About this home

PRICE REDUCED!!! This Spacious 3 Bd/2 Ba Home is located in a Very Highly Desireable Neighborhood of Diamond Bar and is in Walking Distance to Schools and Shopping Centers. There is an Additional Room that can be Considered Another Bedroom or used as one's Office. A Few Personal Touches will Transform this Home into an Entertainer's Delight with the already existing Pool & Spa in the Large Backyard. A must see!!!

Single-familyProperty Type

1962Year Built

7,590 sq ftLot Size

$732Est. Price/Sq.Ft.

2 car garageParking

Listed by Keith Penunuri •DRE #01743994 • The Real Estate Store Inc.

Bought with Jenny Wu •DRE #01817291 • ReMax 2000 Realty

Redfin checked: 3 minutes ago

•Source:CRMLS #Y906193

Redfin Estimate

$916,992

$514K since sold in April 2010$8,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.6% lower than the average sale price ($931K) of 6 comparable homes.

SOLD JUL 31, 2026
$875,000
A
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$975,000
B
3 beds2 baths1,300 sq ft
2606 Castle Rock Rd, Diamond Bar, CA 91765
Synergy Real Estate
SOLD FEB 26, 2026
$880,000
C
3 beds2 baths1,280 sq ft
2632 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 16, 2026
$958,600
D
3 beds2 baths1,372 sq ft
2127 Evergreen Springs Dr, Diamond Bar, CA 91765
Keller Williams Premier Prop
SOLD NOV 6, 2025
$900,000
E
3 beds2 baths1,300 sq ft
21223 Fountain Spgs, Diamond Bar, CA 91765
SOLD DEC 5, 2025
$999,999
F
3 beds2 baths1,300 sq ft
2968 Crooked Creek Dr, Diamond Bar, CA 91765

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Earn from this home

Sell

$674,225

Est. take-home

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Refinance

Est. cash available

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Rent

$2,935/mo

Redfin rental estimate

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Market trends in 91765, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.1%

0.2% MoM

Median sale price

$1.1M

$48K MoM

Avg. days on market

42d

0 days MoM

Recently sold homes

108

17 MoM

New listings for sale

COMING SOON
$585,000
2 beds2.5 baths1,012 sq ft
1109 Golden Springs Dr Unit D, Diamond Bar, CA 91765
OPEN TODAY, 1PM TO 5PM
$1,648,000
4 beds3 baths3,212 sq ft
3315 Hawkwood, Diamond Bar, CA 91765
First Team Real Estate
$5,380,000
6 beds7 baths9,038 sq ft
2828 Water Course Dr, Diamond Bar, CA 91765
OPEN TODAY, 1PM TO 3PM
$1,199,999
4 beds2.5 baths1,915 sq ft
23308 Quail Smt, Diamond Bar, CA 91765
$818,800
3 beds3 baths1,570 sq ft
22935 Estoril Dr #6, Diamond Bar, CA 91765
OPEN TODAY, 1AM TO 3PM
$1,690,000
4 beds3 baths2,587 sq ft
1515 Sunbluff Dr, Diamond Bar, CA 91765
OPEN TODAY, 1PM TO 4PM
$538,000
3 beds2 baths1,047 sq ft
800 Grand Ave Unit D1, Diamond Bar, CA 91765
$1,070,000
4 beds2.5 baths1,893 sq ft
24126 Silver Spray, Diamond Bar, CA 91765
OPEN TODAY, 1PM TO 4PM
$1,150,000
4 beds3 baths1,747 sq ft
1036 Cogburn Ln, Diamond Bar, CA 91765
$625,000
3 beds2.5 baths1,420 sq ft
1030 Golden Springs Dr Unit B, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 21253 COLD SPRING Ln

Year

Property tax

Land + Additions

Assessment*

2025

$6,823 (+4.9%)

$401,698 + $118,488

$520,186

2024

$6,501 (+2.4%)

$401,698 + $118,488

$520,186

2023

$6,349 (+2.1%)

$393,822 + $116,165

$509,987

2022

$6,216 (+1.9%)

$386,100 + $113,888

$499,988

2021

$6,102 (+1.3%)

$378,530 + $111,655

$490,185

2020

$6,026 (+1.9%)

$371,108 + $109,466

$480,574

2019

$5,911 (+5.7%)

$367,303 + $108,344

$475,647

2018

$5,592 (+4.8%)

$360,101 + $106,220

$466,321

2017

$5,337 (+3.0%)

$346,119 + $102,097

$448,216

2016

$5,183 (−0.6%)

$346,119 + $102,097

$448,216

2015

$5,212 (−0.1%)

$339,333 + $100,096

$439,429

2014

$5,218 (+1.2%)

$327,689 + $96,662

$424,351

2012

$5,157 (+2.9%)

$326,209 + $96,226

$422,435

2011

$5,010 (+288.2%)

$319,813 + $94,340

$414,153

2010

$1,291 (+1.5%)

$313,543 + $92,491

$406,034

2009

$1,271 (+3.5%)

$21,628 + $54,015

$75,643

2008

$1,228

$21,680 + $54,144

$75,824

Tax history for 21253 COLD SPRING Ln

Year

Property tax

Land + Additions

Assessment*

2025

$6,823 (+4.9%)

$401,698 + $118,488

$520,186

2024

$6,501 (+2.4%)

$401,698 + $118,488

$520,186

2023

$6,349 (+2.1%)

$393,822 + $116,165

$509,987

2022

$6,216 (+1.9%)

$386,100 + $113,888

$499,988

2021

$6,102 (+1.3%)

$378,530 + $111,655

$490,185

2020

$6,026 (+1.9%)

$371,108 + $109,466

$480,574

2019

$5,911 (+5.7%)

$367,303 + $108,344

$475,647

2018

$5,592 (+4.8%)

$360,101 + $106,220

$466,321

2017

$5,337 (+3.0%)

$346,119 + $102,097

$448,216

2016

$5,183 (−0.6%)

$346,119 + $102,097

$448,216

2015

$5,212 (−0.1%)

$339,333 + $100,096

$439,429

2014

$5,218 (+1.2%)

$327,689 + $96,662

$424,351

2012

$5,157 (+2.9%)

$326,209 + $96,226

$422,435

2011

$5,010 (+288.2%)

$319,813 + $94,340

$414,153

2010

$1,291 (+1.5%)

$313,543 + $92,491

$406,034

2009

$1,271 (+3.5%)

$21,628 + $54,015

$75,643

2008

$1,228

$21,680 + $54,144

$75,824

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

7,702 Sq. Ft.

Year renovated

1964

Sq. Ft.

1,252

Year built

1962

Style

Single Family Residential

County

Los Angeles County

APN

8285018017

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 31, 2026.

RLM

Low/Medium Density Residential District

The RLM zoning district is intended primarily for existing subdivided areas developed with detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be five dwellings per gross acre. The RLM zoning district is consistent with the low density residential land use category of the general plan.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space

Property details

Parking

Parking / Garage Information
Attached Garage
# of Garage Spaces: 2
Driveway - Concrete
Has Parking

Interior

Kitchen Information
Appliances: Electric Cooking, Microwave, Stove
Has Appliances

Bathroom Information
# of Baths (Full): 1
# of Baths (3/4): 1

Cooling Information
Central
Has Cooling

Fireplace Information
Has Fireplace

Flooring Information
Carpet, Tile

Heating Information
Central Furnace

Interior Features
Ceiling Fan
Levels: One
Spa Features: In Ground
Has Spa

Exterior

Exterior Information
Roof: Composition, Shingle
Fencing: Blockwall, Partial
Has Fence
Construction Materials: Stucco, Wood

Exterior Features
Patio And Porch Features: Covered
Has Patio
Pool Features: In Ground
Has Pool
Has Sprinklers

Lot Information
Lot Size Source: Assessor's Data
Lot Size Dimensions: 69 x 110
Lot Features: Sprinklers Timer

Property Information
Common Walls: No Common Walls
Living Area Source: Public Records
Parcel Number: 8285018017
Year Built Source: Assessor

Utilities

Utilities Information
Sewer Available
Water Source: See Remarks

Location

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.97459200
Longitude: -117.84187500
Other Subdivision Name: 0
Directions: From Pathfinder - Travel South on Brea Canyon Rd and make a Left onto Cold Springs Lane. End at address.
Subdivision Name: Other (OTHR)

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,252
Stories: —
Lot Size: 7,702 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1964
County: Los Angeles County
APN: 8285018017

Home facts updated by county records on Aug 31, 2026

Other

Listing Information
Days Active in MLS: 108
Continuous Days Active in MLS: 108

Listing Agent Information
List Agent First Name: Keith
List Agent Last Name: Penunuri

Listing Office Information
List Office Name: The Real Estate Store Inc.

Selling Agent Information
Buyer Agent First Name: Jenny
Buyer Agent Last Name: Wu

Selling Office Information
Buyer Office Name: ReMax 2000 Realty

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.2mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.2mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 0.5mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...
2 months ago • Los Angeles County
Peter Santos
Redfin Premier agent
82 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

5/10 Fire Factor

4% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 98° expected this year, 21 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

6/10 Air Factor

10 unhealthy days expected this year, 13 days in 30 years

Provided by First Street

Historical weather

Diamond Bar, CA • 91765

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$872,000 – $1.06M

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OPEN TODAY, 1PM TO 4PM

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Home values near 21253 COLD SPRING Ln

Data from public records.

Address	Redfin Estimate
21259 Cold Spring Lane, Diamond Bar, CA 3 Beds \| - Baths \| 1300 Sq. Ft.	$942,440
21231 Cold Spring Lane, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$887,791

Address	Redfin Estimate
21245 Cold Spring Lane, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$899,708
21225 Cold Spring Lane, Diamond Bar, CA 3 Beds \| 2 Baths \| 1415 Sq. Ft.	$881,052

Address	Redfin Estimate
21239 Cold Spring Lane, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$887,621
21224 Cold Spring Lane, Diamond Bar, CA 3 Beds \| 2 Baths \| 1252 Sq. Ft.	$883,066

Property information provided by CRMLS when last listed in 2009. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91765, CA

Sale history for 21253 COLD SPRING Ln

Tax history for 21253 COLD SPRING Ln

Public record

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91765

Home values near 21253 COLD SPRING Ln

More real estate resources