About Home value Property history Tax history Market statistics Schools Neighborhood Places of interest

21504 Cold Spring Ln, Diamond Bar, CA 91765

$1,380,000

Last sold 09/28/2026 after 126 Days

4
bed
3
bath
2,712
Sqft ($509/Sqft)

House not for sale

About 21504 Cold Spring Ln

Property type House

Year built 1977

HOA fee $0/month

Lot size 0.33 Acre

Movoto estimate

Parking 3 garage spaces

Rental estimate

Property description

PAID OFF Solar System with 32 Panasonic Panels. Two Tesla EV charging stations, 2025 AO Smith electric water heater, a whole-house water softener system, newer roof, and newer A/C. Enjoy beautiful mountain views by day and sparkling city lights by night from this lovely home nestled in the desirable hills of Diamond Bar, complete with a private pool perfect for relaxing or entertaining. The bright and airy layout features soaring high ceilings in the living room, abundant natural light, a desirable downstairs bedroom, and a spacious 3-car garage. Located within the award-winning Walnut Valley Unified School District with top-rated 10/10 schools, and just minutes from Diamond Hills Plaza featuring H Mart, popular dining, shopping, and everyday conveniences. NO HOA.

Listed by

Listing Agent - ALLEN SHI

Listing Agent Contact: 626-202-8703

Listing Office - Wetrust Realty

Source: CRMLS

MLS#WS26113219 • last updated 1 week ago

Movoto checked CRMLS for data 4 minutes ago

Overview
Levels/Style	Two, House
Type	Residential
SubType	Single Family Residence
Status	Closed
Living Area	2712
Lot Size (Acres)	0.3271
Lot Size (SqFt)	14248
Year Built	1977

Interior
Total # of Bathrooms	3
# Full Baths	3
Total # of Bedrooms	4

Exterior
# Parking Spaces	3
# Garage Spaces	3
Lot Description	Front Yard, Back Yard

Amenities / Utilities
Fireplaces	Family Room
Sewer/ Septic	Public Sewer
Water Source	Public
Inclusions	Two Tesla Wall Charger

Location
View	Mountain(s), City Lights
County	Los Angeles
Community Features	Sidewalks
Elementary School	Castle Rock, CASROC
High School	Diamond Bar, DIABAR
Middle School	SOUPOI, South Pointe
High School District	Walnut Valley Unified
Directions	Diamond Bar Blvd And Cold Spring Lane
APN	8714002003

$1.52M

Range: $1.43M-$1.61M

Last 30 days

Rental est.: $3,825/month

• Gross rent multiplier: 30.1

Lower your payment with the loan terms that fit you.

Sep 2026
MLS # WS26113219
Sep 28, 2026 Sold
$1,380,000 (-5.5%)
Sep 10, 2026 Pending
—
Aug 25, 2026 Active
—
Aug 20, 2026 Price Change
$1,460,000 (-5.2%)
Jul 29, 2026 Price Change
$1,540,000 (-2.5%)
May 25, 2026 Listed
$1,580,000 (+125.7%)
Jan 2012
Public Records
Jan 20, 2012 Sold
$700,000
Jan 2012
MLS # C11114133
Jan 20, 2012 Sold
$700,000

Year Property taxes Tax assessment
2024
$10,906 +2.9%

$866,383
2023
$10,599 +2.6%

$866,383 +4.04%
2022
$10,333 +1.9%

$832,743 +2.0%
2021
$10,140 +1.3%

$816,416
2020
$10,012 +6.4%

$816,416 +3.06%
2018
$9,412 +4.8%

$792,203 +4.04%
2017
$8,982 +3.1%

$761,444 +2.0%
2016
$8,715 -0.6%

$746,514
2015
$8,769

—

21504 Cold Spring Ln
$1.38M
—
91765
$1.05M +5% y/y
Diamond Bar
$1.05M +5% y/y

No chart available

Statistics calculated by Movoto

	Est. value	Bed/bath	Sqft	mi
21502 Cold Spring Ln, Diamond Bar, CA 91765	$1,416,000	3/3	2,321	0.01
21499 Ambushers St, Diamond Bar, CA 91765	$1,539,000	4/3	2,722	0.02
21477 Ambushers St, Diamond Bar, CA 91765	$1,342,000	4/2	2,004	0.02
21498 Cold Spring Ln, Diamond Bar, CA 91765	$1,598,000	3/3	2,796	0.03
21506 Barbi Ln, Diamond Bar, CA 91765	$1,321,000	3/2	2,037	0.03
21455 Ambushers St, Diamond Bar, CA 91765	$1,456,000	4/3	2,397	0.04
21505 Ambushers St, Diamond Bar, CA 91765	$1,289,000	3/2	1,752	0.04
21496 Cold Spring Ln, Diamond Bar, CA 91765	$1,577,000	3/3	2,712	0.04

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.