21212 Fountain Springs Rd, Diamond Bar, CA 91765

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Off market apr 2019 for $633K

$886,506

Est. refi paymentEst. refi $4,370/mo

•

1,856

sq ft

21212 Fountain Springs Rd, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1962Year Built

7,908 sq ftLot Size

$478Est. Price/Sq.Ft.

2 car garageParking

Listed by Dea Wemmer •DRE #00924662 • Century 21 Discovery

Bought with Hui Ju Tsai •DRE #01947042 • High Ten Partners Inc

Redfin checked: 2 minutes ago

•Source:CRMLS #PW19036230

Redfin Estimate

$886,506

$254K since sold in April 2019$2,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 22.5% lower than the average sale price ($1.14M) of 6 comparable homes.

SOLD FEB 27, 2026
$1,030,000
A
4 beds2 baths1,756 sq ft
2710 Castle Rock Rd, Diamond Bar, CA 91765
SOLD FEB 6, 2026
$1,300,000
B
4 beds2 baths1,831 sq ft
2463 Harmony Hl, Diamond Bar, CA 91765
SOLD AUG 28, 2026
$1,080,000
C
4 beds2 baths1,889 sq ft
1640 Aspen Grove Ln, Diamond Bar, CA 91765
SOLD MAY 4, 2026
$1,290,000
D
4 beds2 baths1,788 sq ft
1869 Morning Cyn, Diamond Bar, CA 91765
SOLD SEP 9, 2026
$1,234,520
E
4 beds2.5 baths1,823 sq ft
2115 Tierra Loma Dr, Diamond Bar, CA 91765
SOLD SEP 17, 2026
$930,000
F
3 beds2 baths1,300 sq ft
2726 Castle Rock, Diamond Bar, CA 91765

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Earn from this home

Sell

$407,390

Est. take-home

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Refinance

Est. cash available

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Rent

$3,356/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

New listings for sale

NEW 31 HRS AGO
$4,000,000
6 beds5 baths5,797 sq ft
1809 Diamond Knl, Diamond Bar, CA 91765
$1,480,000
5 beds3 baths2,447 sq ft
1667 Cypress Grove Ln, Diamond Bar, CA 91765
$1,170,000
4 beds2.5 baths2,154 sq ft
1029 Twin Cyn, Diamond Bar, CA 91765
FOR SALE BY OWNER
$1,200,000
3 beds2 baths1,339 sq ft
512 Armitos Pl, Diamond Bar, CA 91765
COMING SOON
$899,000
3 beds2 baths1,274 sq ft
22922 Dry Crk, Diamond Bar, CA 91765
OPEN SAT, 2PM TO 5PM
$1,499,900
5 beds3 baths3,203 sq ft
24215 Delta Dr, Diamond Bar, CA 91765
$468,000
2 beds2.5 baths1,056 sq ft
22871 Hilton Head Dr #230, Diamond Bar, CA 91765
$1,363,000
4 beds5 baths2,430 sq ft
883 Terrace W, Pomona, CA 91765
$1,050,000
4 beds2 baths1,859 sq ft
23547 Decorah, Diamond Bar, CA 91765
$979,900
4 beds2 baths1,600 sq ft
239 N Palo Cedro, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 21212 Fountain Springs Rd

Date

Event

Price

CRMLS #PW19036230

Apr 12, 2019

Sold

$633,000

$341/sq ft

Apr 11, 2019

Pending

—

Mar 31, 2019

Contingent

—

Mar 27, 2019

Price Changed

$659,000

$355/sq ft

Mar 24, 2019

Price Changed

$669,000

$360/sq ft

Mar 18, 2019

Price Changed

$675,000

$364/sq ft

Feb 16, 2019

Listed

$659,000

$355/sq ft

Feb 16, 2019

Listed

$699,000

$377/sq ft

CRMLS #P459937

Sep 1, 2005

Sold

$590,000

$318/sq ft

Jul 13, 2005

Listed

$595,000

$321/sq ft

Family room is completely remodeled New coppers plumbing through entire home Covered patio with beautiful view Professional mature landscaping fruit trees in backyard New dual pane windows throughout, new blinds and new wood Pergo flooring New Peuter lights in front of house New alarm system installed includes carbon monoxide and fire alarm New water heater, new dishwasher ceiling fans in bedrooms and two in family room Large size inside laundry room RV parking

CRMLS #I303095

Feb 6, 2003

Sold

$327,000

$176/sq ft

Nov 19, 2002

Listed

$329,000

$177/sq ft

CRMLS #S300765

Feb 6, 2003

Sold

$327,000

$176/sq ft

Nov 19, 2002

Listed

$207,500

$112/sq ft

Jun 6, 2001

Price Changed

$207,500

$112/sq ft

Jun 6, 2001

Price Changed

$207,500

$112/sq ft

Jun 6, 2001

Price Changed

$207,500

$112/sq ft

Jun 6, 2001

Price Changed

$207,500

$112/sq ft

May 22, 2001

Price Changed

$329,000

$177/sq ft

May 22, 2001

Price Changed

$329,000

$177/sq ft

May 22, 2001

Price Changed

$329,000

$177/sq ft

May 22, 2001

Price Changed

$329,000

$177/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$9,124 (+5.3%)

$570,391 + $149,849

$720,240

2024

$8,666 (+2.4%)

$559,207 + $146,911

$706,118

2023

$8,460 (+2.1%)

$548,243 + $144,031

$692,274

2022

$8,285 (+1.9%)

$537,494 + $141,207

$678,701

2021

$8,131 (+1.3%)

$526,955 + $138,439

$665,394

2020

$8,029 (−9.8%)

$516,623 + $135,725

$652,348

2019

$8,905 (+4.1%)

$511,326 + $134,334

$645,660

2018

$8,558 (+4.8%)

$549,683 + $173,097

$722,780

2017

$8,164 (+16.1%)

$528,339 + $166,376

$694,715

2016

$7,033

$528,339 + $166,376

$694,715

2015

$7,033

$517,980 + $163,114

$681,094

2010

$7,033

$396,600 + $124,900

$521,500

2009

$7,034

$396,600 + $124,900

$521,500

2008

$7,034

$396,600 + $124,900

$521,500

Tax history for 21212 Fountain Springs Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,124 (+5.3%)

$570,391 + $149,849

$720,240

2024

$8,666 (+2.4%)

$559,207 + $146,911

$706,118

2023

$8,460 (+2.1%)

$548,243 + $144,031

$692,274

2022

$8,285 (+1.9%)

$537,494 + $141,207

$678,701

2021

$8,131 (+1.3%)

$526,955 + $138,439

$665,394

2020

$8,029 (−9.8%)

$516,623 + $135,725

$652,348

2019

$8,905 (+4.1%)

$511,326 + $134,334

$645,660

2018

$8,558 (+4.8%)

$549,683 + $173,097

$722,780

2017

$8,164 (+16.1%)

$528,339 + $166,376

$694,715

2016

$7,033

$528,339 + $166,376

$694,715

2015

$7,033

$517,980 + $163,114

$681,094

2010

$7,033

$396,600 + $124,900

$521,500

2009

$7,034

$396,600 + $124,900

$521,500

2008

$7,034

$396,600 + $124,900

$521,500

*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

7,911 Sq. Ft.

Year renovated

1979

Sq. Ft.

1,856

Year built

1962

Style

Single Family Residential

County

Los Angeles County

APN

8285015002

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
Driveway, Private
Has Parking
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
Individual Room

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

Cooling Information
Central
Has Cooling

Room Information
Family Room, Living Room, Primary Suite

Fireplace Information
Living Room
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Levels: One
Main Level Bathrooms: 2
Main Level Bedrooms: 4

Exterior

Exterior Features
Pool Features: None

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Front Yard, Lot 6500-9999

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8285015002
Property Condition: Fixer
Total # of Stories: 1
Has View
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

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

Location

Neighborhood Information
Community Features: Curbs

School Information
Elementary School: Evergreen
Middle Or Junior School: Chaparral
High School: Diamond Bar
High School District: Walnut Valley Unified
Elementary School 2: EVERGR
Middle Or Junior School 2: CHAPAR2
High School 2: DIABAR

Location Information
Latitude: 33.97870400
Longitude: -117.84045500
Directions: 57 Freeway, south of Pathfinder Road, ( Few houses) East of S Brea Canyon Rd

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,856
Stories: —
Lot Size: 7,911 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1979
County: Los Angeles County
APN: 8285015002

Home facts updated by county records on Oct 6, 2026

Other

Listing Information
Days Active in MLS: 43
Continuous Days Active in MLS: 43

Listing Agent Information
List Agent First Name: Dea
List Agent Last Name: Wemmer

Listing Office Information
List Office Name: Century 21 Discovery

Selling Agent Information
Buyer Agent First Name: Hui Ju
Buyer Agent Last Name: Tsai

Selling Office Information
Buyer Office Name: Coldwell Banker George Realty

Around this home

Schools

Evergreen Elementary School

Public K-5 • Assigned • 0.4mi

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, 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

$843,000 – $1.02M

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Home values near 21212 Fountain Springs Rd

Data from public records.

Address	Redfin Estimate
21237 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$857,294
21217 Fountain Springs Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1475 Sq. Ft.	$893,270

Address	Redfin Estimate
21231 Fountain Springs Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1576 Sq. Ft.	$1,052,359
21209 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$848,922

Address	Redfin Estimate
21223 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$1,002,463
21204 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$941,680

Property information provided by CRMLS when last listed in 2019. 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 21212 Fountain Springs Rd

Tax history for 21212 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 21212 Fountain Springs Rd

More real estate resources