21242 Fountain Springs Rd, Diamond Bar, CA 91765

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Off market jan 2016 for $505K

$819,234

Est. refi paymentEst. refi $1,944/mo

•

1,472

sq ft

21242 Fountain Springs Rd, Diamond Bar, CA 91765

About this home

Here’s your opportunity to acquire a “diamond-in-the-rough” property in a fabulous, desirable neighborhood. Shopping, schools and entertainment are nearby, so you’re sure to love the location. All the elements are here: Living Room, Formal Dining Area, Family Room, Sun Room, Breakfast Nook/Family Eating Area, Master Suite, Direct-Access Garage, Indoor Laundry Room, Fireplace and more. The Backyard has a very private feel and has plenty of play space for kids & pets. This house is perfect for someone who is handy and can take advantage of the chance to refresh and renew a good home into a great home for many years to come! Square footage not taped, buyer to verify all details.

Single-familyProperty Type

1962Year Built

7,751 sq ftLot Size

$557Est. Price/Sq.Ft.

2 car garageParking

Listed by DAN GRIFFITH •DRE #01221208 • REALTY WORLD ALL STARS

Bought with COLT RHOADS •DRE #01394978 • REALTY WORLD ALL STARS

Redfin checked: 2 minutes ago

•Source:CRMLS #CV15241804

Redfin Estimate

$819,234

$314K since sold in January 2016$13K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.9% 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
$875,000
B
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JUL 31, 2026
$975,000
C
3 beds2 baths1,300 sq ft
2606 Castle Rock Rd, Diamond Bar, CA 91765
Synergy Real Estate
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 FEB 26, 2026
$880,000
E
3 beds2 baths1,280 sq ft
2632 Castle Rock, Diamond Bar, CA 91765
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

$464,761

Est. take-home

List your home with Redfin and save $4,096

Refinance

Est. cash available

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Rent

$3,498/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

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

$849,900
3 beds2 baths1,553 sq ft
22709 Dry Creek Rd, Diamond Bar, CA 91765
$949,888
3 beds2 baths1,535 sq ft
1936 Ano Nuevo, Diamond Bar, CA 91765
$750,000
4 beds3 baths1,619 sq ft
2119 Dublin Ln #2, Diamond Bar, CA 91765
$399,000
2 beds1 bath850 sq ft
22801 Hilton Head Dr #17, Diamond Bar, CA 91765
$399,000
2 beds1 bath850 sq ft
22804 Hilton Head Dr #40, Diamond Bar, CA 91765
Pinnacle Real Estate Group
3D WALKTHROUGH
$1,175,000
4 beds2.5 baths1,829 sq ft
21116 Silver Cloud, Diamond Bar, CA 91765
$1,100,000
4 beds2 baths1,662 sq ft
3716 Crooked Crk, Diamond Bar, CA 91765
$4,200,000
5 beds6 baths6,257 sq ft
2945 Steeplechase, Diamond Bar, CA 91765
$1,128,800
4 beds2 baths1,994 sq ft
1160 N Del Sol, Diamond Bar, CA 91765
Synergy Real Estate
VIDEO TOUR
$555,000
2 beds1 bath914 sq ft
21755 Laurelrim Unit B, Diamond Bar, CA 91765
Aramis Realty Group Inc.
See all

Provided by Redfin

Sale history for 21242 Fountain Springs Rd

Year

Property tax

Land + Additions

Assessment*

2025

$7,776 (+4.7%)

$487,815 + $121,951

$609,766

2024

$7,427 (+2.4%)

$478,250 + $119,560

$597,810

2023

$7,252 (+2.1%)

$468,873 + $117,216

$586,089

2022

$7,101 (+1.9%)

$459,680 + $114,918

$574,598

2021

$6,971 (+1.3%)

$450,667 + $112,665

$563,332

2020

$6,884 (+1.9%)

$441,831 + $110,456

$552,287

2019

$6,753 (+4.6%)

$437,301 + $109,324

$546,625

2018

$6,457 (+4.8%)

$428,727 + $107,181

$535,908

2017

$6,163 (−10.9%)

$412,080 + $103,020

$515,100

2016

$6,915 (+466.8%)

$412,080 + $103,020

$515,100

2015

$1,220 (−0.6%)

$289,900 + $300,000

$589,900

2014

$1,227 (+2.2%)

$21,577 + $51,776

$73,353

2012

$1,200 (+3.0%)

$21,480 + $51,542

$73,022

2011

$1,165 (+1.2%)

$21,059 + $50,532

$71,591

2010

$1,151 (+1.8%)

$20,647 + $49,542

$70,189

2009

$1,131 (+3.8%)

$20,493 + $49,172

$69,665

2008

$1,089

$20,542 + $49,289

$69,831

Tax history for 21242 Fountain Springs Rd

Year

Property tax

Land + Additions

Assessment*

2025

$7,776 (+4.7%)

$487,815 + $121,951

$609,766

2024

$7,427 (+2.4%)

$478,250 + $119,560

$597,810

2023

$7,252 (+2.1%)

$468,873 + $117,216

$586,089

2022

$7,101 (+1.9%)

$459,680 + $114,918

$574,598

2021

$6,971 (+1.3%)

$450,667 + $112,665

$563,332

2020

$6,884 (+1.9%)

$441,831 + $110,456

$552,287

2019

$6,753 (+4.6%)

$437,301 + $109,324

$546,625

2018

$6,457 (+4.8%)

$428,727 + $107,181

$535,908

2017

$6,163 (−10.9%)

$412,080 + $103,020

$515,100

2016

$6,915 (+466.8%)

$412,080 + $103,020

$515,100

2015

$1,220 (−0.6%)

$289,900 + $300,000

$589,900

2014

$1,227 (+2.2%)

$21,577 + $51,776

$73,353

2012

$1,200 (+3.0%)

$21,480 + $51,542

$73,022

2011

$1,165 (+1.2%)

$21,059 + $50,532

$71,591

2010

$1,151 (+1.8%)

$20,647 + $49,542

$70,189

2009

$1,131 (+3.8%)

$20,493 + $49,172

$69,665

2008

$1,089

$20,542 + $49,289

$69,831

*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

7,763 Sq. Ft.

Year renovated

1962

Sq. Ft.

1,472

Year built

1962

Style

Single Family Residential

County

Los Angeles County

APN

8285015005

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
Driveway - Concrete, Driveway, Direct Garage Access
Has Parking
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
Gas Dryer Hookup, Inside, Individual Room, Washer Hookup

Kitchen Information
Appliances: Electric Oven, Electric Range, Garbage Disposal, Gas Water Heater
Has Appliances
Area, Breakfast Nook, In Living Room

Bathroom Information
# of Baths (Full): 2

Cooling Information
Wall Window
Has Cooling

Room Information
All Bedrooms Down, Center Hall, Family Room, Living Room, Main Floor Bedroom, Main Floor Primary Bedroom, Primary Suite

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Carpet, Vinyl

Interior Features
Sliding Glass Door(s)
Ceiling Fan, Laminate Counters
Levels: One
Security Features: Carbon Monoxide Detector(s)

Exterior

Exterior Information
Roof: Composition
Fencing: Chain Link, Wood
Has Fence

Foundation Information
Foundation Details: Concrete Slab

Exterior Features
Patio And Porch Features: Concrete, Screened Patio
Has Patio
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Front Yard, Lot-Level/Flat, Lot 6500-9999

Property Information
Total # of Units: 1
Accessibility Features: None
Common Walls: No Common Walls
Direction Faces: North
Living Area Source: Assessor's Data
Parcel Number: 8285015005
Property Condition: Fixer, Repairs Cosmetic
Total # of Stories: 1
Has View
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

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

Location

Multi-Unit Information
# of Units In Community: 1

Neighborhood Information
Community Features: Curbs

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.97852300
Longitude: -117.83972900
Directions: FROM 57 FWY, EAST ON PATHFINDER, RIGHT ON BREA CANYON ROAD, LEFT ON FOUNTAIN SPPRINGS ROAD TO PROPERTY ON RIGHT

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,472
Stories: —
Lot Size: 7,763 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1962
County: Los Angeles County
APN: 8285015005

Home facts updated by county records on Oct 6, 2026

Other

Listing Information
Days Active in MLS: 8
Continuous Days Active in MLS: 8

Listing Agent Information
List Agent First Name: DAN
List Agent Last Name: GRIFFITH

Listing Office Information
List Office Name: REALTY WORLD ALL STARS

Selling Agent Information
Buyer Agent First Name: COLT
Buyer Agent Last Name: RHOADS

Selling Office Information
Buyer Office Name: REALTY WORLD ALL STARS

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, 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

$779,000 – $943,000

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LISTED BY REDFIN3D & VIDEO TOUR

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New listings for sale in 91765

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1936 Ano Nuevo, Diamond Bar, CA 91765

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Home values near 21242 Fountain Springs Rd

Data from public records.

Address	Redfin Estimate
21237 Fountain Springs Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$856,019
21217 Fountain Springs Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1475 Sq. Ft.	$895,764

Address	Redfin Estimate
21231 Fountain Springs Road, Diamond Bar, CA 4 Beds \| 2 Baths \| 1576 Sq. Ft.	$1,040,117
21313 Fountain Springs Road, Diamond Bar, CA 4 Beds \| - Baths \| 1376 Sq. Ft.	$950,772

Address	Redfin Estimate
21223 Fountain Springs Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$1,001,343
21307 Fountain Springs Road, Diamond Bar, CA 3 Beds \| 2 Baths \| 1760 Sq. Ft.	$1,100,312

Property information provided by CRMLS when last listed in 2015. 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 21242 Fountain Springs Rd

Tax history for 21242 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 21242 Fountain Springs Rd

More real estate resources