21344 FOUNTAIN SPRINGS Rd, Diamond Bar, CA 91765

Off market apr 2003 for $326K

$925,370

Est. refi paymentEst. refi $2,171/mo

•

— ba

•

1,300

sq ft

21344 FOUNTAIN SPRINGS Rd, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1962Year Built

7,866 sq ftLot Size

$712Est. Price/Sq.Ft.

2 car garageParking

Listed by OUT OF AREA KIM • OUT OF AREA

Bought with OUT OF AREA MEMBER • OUT OF AREA

Redfin checked: a minute ago

•Source:CRMLS #I310910

Redfin Estimate

$925,370

$599K since sold in April 2003$10K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.1% lower than the average sale price ($946K) of 6 comparable homes.

SOLD NOV 3, 2026
$1,055,000
A
3 beds2 baths1,300 sq ft
2646 Castle Rock Rd, Diamond Bar, CA 91765
SOLD SEP 17, 2026
$930,000
B
3 beds2 baths1,300 sq ft
2726 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$875,000
C
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$975,000
D
3 beds2 baths1,300 sq ft
2606 Castle Rock Rd, Diamond Bar, CA 91765
Synergy Real Estate
SOLD FEB 26, 2026
$880,000
E
3 beds2 baths1,280 sq ft
2632 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 16, 2026
$958,600
F
3 beds2 baths1,372 sq ft
2127 Evergreen Springs Dr, Diamond Bar, CA 91765
Keller Williams Premier Prop

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$789,150

Est. take-home

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Refinance

Est. cash available

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Rent

$3,315/mo

Redfin rental estimate

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Market trends in 91765, CA

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

97.8%

0.8% MoM

Median sale price

$1.1M

$12K MoM

Avg. days on market

61d

18 days MoM

Recently sold homes

3 MoM

New listings for sale

21122 Trigger, Diamond Bar, CA 91765
$1,020,000
4 beds2.5 baths1,829 sq ft
21122 Trigger, Diamond Bar, CA 91765
NEW 25 HRS AGO
$595,000
2 beds2 baths1,191 sq ft
1120 Cleghorn Unit C, Diamond Bar, CA 91765
LISTED BY REDFIN 29 HRS AGO
$4,980,000
7 beds7.5 baths7,660 sq ft
2611 Steeplechase Ln, Diamond Bar, CA 91765
$1,079,000
4 beds3 baths2,126 sq ft
23548 Casa Loma, Diamond Bar, CA 91765
$430,000
2 beds2 baths788 sq ft
22761 Lakeway #414, Diamond Bar, CA 91765
OPEN SUN, 12PM TO 3PM
$800,000
3 beds3 baths1,720 sq ft
2002 Silver Hawk #14, Diamond Bar, CA 91765
OPEN SUN, 2PM TO 4PM
$438,000
2 beds2 baths934 sq ft
22820 Hilton Head #78, Diamond Bar, CA 91765
Golden Nest Realty Group
3D WALKTHROUGH
$1,150,000
5 beds3 baths2,204 sq ft
23917 Decorah, Diamond Bar, CA 91765
$990,000
3 beds3 baths1,972 sq ft
23266 Forest Cyn, Diamond Bar, CA 91765
$5,498,000
6 beds9 baths10,466 sq ft
2695 Shady Ridge Ln, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 21344 FOUNTAIN SPRINGS Rd

Date

Event

Price

CRMLS #P334613

Apr 30, 2003

Sold

$326,500

$251/sq ft

Mar 14, 2003

Listed

$328,500

$253/sq ft

CRMLS #I310910

Apr 30, 2003

Sold

$326,500

$251/sq ft

Mar 14, 2003

Listed

$328,500

$253/sq ft

Public Records

Mar 14, 2002

Sold

$250,000

$192/sq ft

Public Records

Dec 4, 1989

Sold

$225,000

$173/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$5,987 (+4.6%)

$346,710 + $117,625

$464,335

2024

$5,726 (+2.4%)

$339,912 + $115,319

$455,231

2023

$5,591 (+2.2%)

$333,248 + $113,058

$446,306

2022

$5,473 (+1.9%)

$326,714 + $110,842

$437,556

2021

$5,371 (+1.3%)

$320,308 + $108,669

$428,977

2020

$5,304 (+1.9%)

$314,028 + $106,539

$420,567

2019

$5,203 (+5.1%)

$310,809 + $105,447

$416,256

2018

$4,948 (+1.2%)

$304,715 + $103,380

$408,095

2017

$4,892 (+3.0%)

$292,884 + $114,552

$407,436

2016

$4,749 (−0.6%)

$292,884 + $114,552

$407,436

2015

$4,776 (−0.1%)

$287,142 + $112,306

$399,448

2014

$4,782 (+1.2%)

$277,289 + $108,454

$385,743

2012

$4,724 (+3.0%)

$276,036 + $107,964

$384,000

2011

$4,589 (+0.8%)

$270,624 + $105,848

$376,472

2010

$4,552 (−1.4%)

$265,318 + $103,773

$369,091

2009

$4,616 (+2.8%)

$263,336 + $102,998

$366,334

2008

$4,489

$263,962 + $103,243

$367,205

Tax history for 21344 FOUNTAIN SPRINGS Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,987 (+4.6%)

$346,710 + $117,625

$464,335

2024

$5,726 (+2.4%)

$339,912 + $115,319

$455,231

2023

$5,591 (+2.2%)

$333,248 + $113,058

$446,306

2022

$5,473 (+1.9%)

$326,714 + $110,842

$437,556

2021

$5,371 (+1.3%)

$320,308 + $108,669

$428,977

2020

$5,304 (+1.9%)

$314,028 + $106,539

$420,567

2019

$5,203 (+5.1%)

$310,809 + $105,447

$416,256

2018

$4,948 (+1.2%)

$304,715 + $103,380

$408,095

2017

$4,892 (+3.0%)

$292,884 + $114,552

$407,436

2016

$4,749 (−0.6%)

$292,884 + $114,552

$407,436

2015

$4,776 (−0.1%)

$287,142 + $112,306

$399,448

2014

$4,782 (+1.2%)

$277,289 + $108,454

$385,743

2012

$4,724 (+3.0%)

$276,036 + $107,964

$384,000

2011

$4,589 (+0.8%)

$270,624 + $105,848

$376,472

2010

$4,552 (−1.4%)

$265,318 + $103,773

$369,091

2009

$4,616 (+2.8%)

$263,336 + $102,998

$366,334

2008

$4,489

$263,962 + $103,243

$367,205

*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

7,716 Sq. Ft.

Year renovated

1963

Sq. Ft.

1,300

Year built

1962

Style

Single Family Residential

County

Los Angeles County

APN

8285015012

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 6, 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
Direct Garage Access, Garage Door Opener, RV Access/Parking
Has Parking

Interior

Laundry Information
Has Laundry
Gas Dryer Hookup, In Garage

Kitchen Information
Appliances: Built-In, Dishwasher, Gas Cooking, Garbage Disposal
Has Appliances
Area

Cooling Information
Wall Window
Has Cooling

Room Information
Entry, Family Room, Living Room, Primary Bedroom, Main Floor Bedroom

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Carpet, Tile

Heating Information
Forced Air
Has Heating

Interior Features
French Doors
Levels: One
Window Features: Blinds

Exterior

Exterior Information
Roof: Composition
Fencing: Wood
Has Fence

Exterior Features
Patio And Porch Features: Concrete, Slab
Has Patio
Pool Features: See Remarks
Has Pool
Has Sprinklers

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Lot 6500-9999, Sprinklers In Front, Sprinklers In Rear, Sprinklers Timer, Yard

Property Information
Total # of Units: 1
Living Area Source: Assessor's Data
Parcel Number: 8285015012
Property Condition: Turnkey

Utilities

Utilities Information
Sewer: Sewer Paid
Sewer Connected
Water Source: District/Public

Location

Multi-Unit Information
# of Units In Community: 1
Builder Model: REMODELED

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.97803700
Longitude: -117.83864800
Other Subdivision Name: *
Subdivision Name: *

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,300
Stories: —
Lot Size: 7,716 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1963
County: Los Angeles County
APN: 8285015012

Home facts updated by county records on Oct 6, 2026

Other

Listing Information
Days Active in MLS: 46
Continuous Days Active in MLS: 46

Listing Agent Information
List Agent First Name: OUT OF AREA
List Agent Last Name: KIM

Listing Office Information
List Office Name: REAX TIFFANY REAL E

Selling Agent Information
Buyer Agent First Name: OUT OF AREA
Buyer Agent Last Name: MEMBER

Selling Office Information
Buyer Office Name: OUT OF AREA

Around this home

Schools

K - 12
Preschool & daycare

Evergreen Elementary School

Public K-5 • Assigned • 0.3mi

9/10

Chaparral Middle School

Public 6-8 • Assigned • 1.7mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 0.3mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The Diamond Bar market is shifting, creating new opportunities for both buyers and sellers. Buyers have a bit more negotiating room, while well-priced, well-maintained homes can still attract strong interest. If you’re considering a move, I’d be...
1 week ago • Diamond Bar
Sang Ur
Redfin Premier agent
124 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

3% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 98° expected this year, 22 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

$880,000 – $1.07M

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Nearby similar homes

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New listings for sale in 91765

$1,020,000

4 beds2.5 baths1,829 sq ft

21122 Trigger, Diamond Bar, CA 91765

Private balcony • Generously sized lot • Expansive lot

NEW 25 HRS AGO

$595,000

2 beds2 baths1,191 sq ft

1120 Cleghorn Unit C, Diamond Bar, CA 91765

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LISTED BY REDFIN 29 HRS AGOVIDEO TOUR

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7 beds7.5 baths7,660 sq ft

2611 Steeplechase Ln, Diamond Bar, CA 91765

Gated community • German-style manor • Architectural gem

$1,079,000

4 beds3 baths2,126 sq ft

23548 Casa Loma, Diamond Bar, CA 91765

Crown molding • Updated lighting • Recessed lights

$430,000

2 beds2 baths788 sq ft

22761 Lakeway #414, Diamond Bar, CA 91765

Private balcony • Updated kitchen • Breakfast bar

OPEN SUN, 12PM TO 3PM

$800,000

3 beds3 baths1,720 sq ft

2002 Silver Hawk #14, Diamond Bar, CA 91765

Wood flooring • Private loft • Private backyard

OPEN SUN, 2PM TO 4PM

$438,000

2 beds2 baths934 sq ft

22820 Hilton Head #78, Diamond Bar, CA 91765

Guard gated entrance • Three swimming pools • Four tennis courts

Golden Nest Realty Group

3D WALKTHROUGH

$1,150,000

5 beds3 baths2,204 sq ft

23917 Decorah, Diamond Bar, CA 91765

Solar system • Spacious backyard • Charming gazebo

$990,000

3 beds3 baths1,972 sq ft

23266 Forest Cyn, Diamond Bar, CA 91765

Two story residence • Vaulted ceilings • Fireplace

Home values near 21344 FOUNTAIN SPRINGS Rd

Data from public records.

Address	Redfin Estimate
21341 Fountain Springs Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 2038 Sq. Ft.	$968,021
21321 Fountain Springs Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$880,369
21326 Fountain Springs Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$887,151
21334 Fountain Springs Road Unit 1, Diamond Bar, CA 4 Beds \| - Baths \| 1288 Sq. Ft.	$884,888
2559 Harmony Hill Drive, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$865,123
2611 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1744 Sq. Ft.	$1,094,705
21369 Hidden Pines Drive, Diamond Bar, CA 3 Beds \| - Baths \| 1300 Sq. Ft.	$884,137

Address	Redfin Estimate
21335 Fountain Springs Road, Diamond Bar, CA 5 Beds \| 2 Baths \| 1446 Sq. Ft.	$913,348
21312 Fountain Springs Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1288 Sq. Ft.	$859,781
21334 Fountain Springs Road, Diamond Bar, CA 4 Beds \| - Baths \| 1624 Sq. Ft.	$947,991
2620 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$896,797
2567 Harmony Hill Drive, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$895,625
2619 Castle Rock Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1288 Sq. Ft.	$889,782
21361 Hidden Pines Drive, Diamond Bar, CA 3 Beds \| - Baths \| 2100 Sq. Ft.	$958,072

Address	Redfin Estimate
21327 Fountain Springs Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$890,597
21320 Fountain Springs Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$1,001,255
21352 Fountain Springs Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1566 Sq. Ft.	$1,069,006
2612 Castle Rock Road, Diamond Bar, CA 4 Beds \| - Baths \| 1358 Sq. Ft.	$926,422
2605 Castle Rock Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$904,642
21377 Hidden Pines Drive, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$881,257
21355 Hidden Pines Drive, Diamond Bar, CA 4 Beds \| 2 Baths \| 1352 Sq. Ft.	$913,815

Property information provided by CRMLS when last listed in 2003. 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 21344 FOUNTAIN SPRINGS Rd

Tax history for 21344 FOUNTAIN SPRINGS Rd

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 21344 FOUNTAIN SPRINGS Rd

More real estate resources