21321 FOUNTAIN SPRINGS Rd, Diamond Bar, CA 91765

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Off market jan 2008 for $448K

$901,669

Est. refi paymentEst. refi $3,066/mo

•

1,280

sq ft

21321 FOUNTAIN SPRINGS Rd, Diamond Bar, CA 91765

About this home

* * * WALNUT SCHOOLS * * * 3 BEDROOM 2 BATH WITH 2 CAR ATTACHED GARAGE * * * CLOSE TO SCHOOLS * * * EASY ACCESS TO FREEWAY BUT NO FREEWAY NOISE. LOCATED ONE STREET FROM DIAMOND BAR HIGH SCHOOL, ONE BLOCK FROM EVERGREEN ELEMENTARY, REMODELED IN 2005 WITH GRANITE COUNTER TOPS IN KITCHEN, INTERIOR PAINT, PERGO FLOORING THROUGH OUT LIVING ROOM AND ALL BEDROOMS, TILE IN KITCHEN AND ALL BATH, NEWER ROLL UP GARAGE DOOR, DUAL PANEL KITCHEN WINDOW AND DUAL PANEL DOOR TO PATIO. NEWER DRIVEWAY SLAB AND MUCH MORE. BEST DEAL IN THIS SCHOOL DISTRICT, A RARE FIND, EASY TO SHOW.

Single-familyProperty Type

1962Year Built

7,590 sq ftLot Size

$704Est. Price/Sq.Ft.

2 car garageParking

Listed by JACKIE LIOU •DRE #01322032 • PRESIDENTIAL,INC. RE

Bought with Gen Lee •DRE #01421154 • Zip Realty, Inc.

Redfin checked: 2 minutes ago

•Source:CRMLS #C07167388

Redfin Estimate

$901,669

$454K since sold in January 2008$20K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2% lower than the average sale price ($920K) of 6 comparable homes.

SOLD SEP 17, 2026
$930,000
A
3 beds2 baths1,300 sq ft
2726 Castle Rock, 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 JUL 31, 2026
$875,000
C
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD FEB 26, 2026
$880,000
D
3 beds2 baths1,280 sq ft
2632 Castle Rock, Diamond Bar, CA 91765
SOLD JUL 16, 2026
$958,600
E
3 beds2 baths1,372 sq ft
2127 Evergreen Springs Dr, Diamond Bar, CA 91765
Keller Williams Premier Prop
SOLD NOV 6, 2025
$900,000
F
3 beds2 baths1,300 sq ft
21223 Fountain Spgs, Diamond Bar, CA 91765

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Earn from this home

Sell

$666,732

Est. take-home

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Refinance

Est. cash available

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Rent

$3,667/mo

Redfin rental estimate

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Market trends in 91765, CA

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

98.5%

0.6% MoM

Median sale price

$1.1M

$10K MoM

Avg. days on market

43d

1 days MoM

Recently sold homes

100

5 MoM

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See all

Provided by Redfin

Sale history for 21321 FOUNTAIN SPRINGS Rd

Date

Event

Price

Public Records

Jan 29, 2008

Sold

$448,000

$350/sq ft

CRMLS #C07167388

Feb 1, 2008

Listing Removed

—

Jan 30, 2008

Sold

$448,000

$350/sq ft

Jan 12, 2008

Contingent

—

Dec 4, 2007

Price Changed

$458,000

$358/sq ft

Nov 20, 2007

Listed

$468,000

$366/sq ft

CRMLS #C07100791

Nov 21, 2007

Listing Removed

—

Jul 11, 2007

Listed

$498,000

$389/sq ft

CRMLS #H07050551

Jul 3, 2007

Listing Removed

—

Jun 19, 2007

Price Changed

$529,000

$413/sq ft

May 1, 2007

Price Changed

$569,900

$445/sq ft

Apr 7, 2007

Listed

$589,900

$461/sq ft

CRMLS #H400286

Apr 3, 2004

Sold

$375,000

$293/sq ft

Jan 12, 2004

Listed

$379,900

$297/sq ft

CRMLS #H218931

Oct 17, 2001

Listing Removed

—

Jul 18, 2001

Listed

$249,900

$195/sq ft

Public Records

Dec 18, 1998

Sold

$177,000

$138/sq ft

Public Records

Nov 17, 1988

Sold

$170,000

$133/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$8,812 (+5.1%)

$480,172 + $215,343

$695,515

2024

$8,388 (+2.4%)

$470,757 + $211,121

$681,878

2023

$8,190 (+2.1%)

$461,527 + $206,982

$668,509

2022

$8,020 (+1.9%)

$452,478 + $202,924

$655,402

2021

$7,871 (+1.3%)

$443,606 + $198,946

$642,552

2020

$7,771 (+1.9%)

$434,908 + $195,046

$629,954

2019

$7,623 (+5.3%)

$430,449 + $193,047

$623,496

2018

$7,240 (+4.8%)

$422,009 + $189,262

$611,271

2017

$6,908 (+3.0%)

$405,623 + $181,913

$587,536

2016

$6,704 (−0.6%)

$405,623 + $181,913

$587,536

2015

$6,744

$397,670 + $178,347

$576,017

2014

$6,750 (+18.2%)

$384,025 + $172,228

$556,253

2012

$5,710 (−8.4%)

$293,900 + $135,500

$429,400

2011

$6,231 (+15.9%)

$314,500 + $145,000

$459,500

2010

$5,376 (+2.6%)

$349,200 + $161,000

$510,200

2009

$5,239 (+4.6%)

$298,500 + $137,600

$436,100

2008

$5,011

$343,000 + $85,800

$428,800

Tax history for 21321 FOUNTAIN SPRINGS Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,812 (+5.1%)

$480,172 + $215,343

$695,515

2024

$8,388 (+2.4%)

$470,757 + $211,121

$681,878

2023

$8,190 (+2.1%)

$461,527 + $206,982

$668,509

2022

$8,020 (+1.9%)

$452,478 + $202,924

$655,402

2021

$7,871 (+1.3%)

$443,606 + $198,946

$642,552

2020

$7,771 (+1.9%)

$434,908 + $195,046

$629,954

2019

$7,623 (+5.3%)

$430,449 + $193,047

$623,496

2018

$7,240 (+4.8%)

$422,009 + $189,262

$611,271

2017

$6,908 (+3.0%)

$405,623 + $181,913

$587,536

2016

$6,704 (−0.6%)

$405,623 + $181,913

$587,536

2015

$6,744

$397,670 + $178,347

$576,017

2014

$6,750 (+18.2%)

$384,025 + $172,228

$556,253

2012

$5,710 (−8.4%)

$293,900 + $135,500

$429,400

2011

$6,231 (+15.9%)

$314,500 + $145,000

$459,500

2010

$5,376 (+2.6%)

$349,200 + $161,000

$510,200

2009

$5,239 (+4.6%)

$298,500 + $137,600

$436,100

2008

$5,011

$343,000 + $85,800

$428,800

*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

7,357 Sq. Ft.

Year renovated

1977

Sq. Ft.

1,905

Year built

1962

Style

Single Family Residential

County

Los Angeles County

APN

8285014014

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
# of Garage Spaces: 2

Interior

Kitchen Information
Formal Dining Room

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Fireplace Information
See Remarks
Has Fireplace

Interior Features
Levels: One

Exterior

Exterior Features
Patio And Porch Features: None
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data

Property Information
Living Area Source: Assessor's Data
Parcel Number: 8285014014

Financial

Assesments Information
Assessments: Unknown

Location

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.97812800
Longitude: -117.83879100

Public facts

Beds: 5
Baths: 3.0
Sq. Ft.: 1,905
Stories: —
Lot Size: 7,357 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1977
County: Los Angeles County
APN: 8285014014

Home facts updated by county records on Oct 6, 2026

Other

Listing Information
Days Active in MLS: 71
Continuous Days Active in MLS: 71

Listing Agent Information
List Agent First Name: JACKIE
List Agent Last Name: LIOU

Listing Office Information
List Office Name: PRESIDENTIAL INC. R.H.

Selling Agent Information
Buyer Agent First Name: Gen
Buyer Agent Last Name: Lee

Selling Office Information
Buyer Office Name: Zip Realty, Inc.

Around this home

Schools

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 • 0.2mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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

$857,000 – $1.04M

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Home values near 21321 FOUNTAIN SPRINGS Rd

Data from public records.

Address	Redfin Estimate
21341 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 2038 Sq. Ft.	$977,003
21313 Fountain Springs Rd, Diamond Bar, CA 4 Beds \| - Baths \| 1376 Sq. Ft.	$955,452

Address	Redfin Estimate
21335 Fountain Springs Rd, Diamond Bar, CA 5 Beds \| 2 Baths \| 1446 Sq. Ft.	$928,847
21307 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1760 Sq. Ft.	$1,108,318

Address	Redfin Estimate
21327 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$881,017
21250 Fountain Springs Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1288 Sq. Ft.	$868,740

Property information provided by CRMLS when last listed in 2007. 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 21321 FOUNTAIN SPRINGS Rd

Tax history for 21321 FOUNTAIN SPRINGS Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91765

Home values near 21321 FOUNTAIN SPRINGS Rd

More real estate resources