21352 Fountain Springs Rd, Diamond Bar, CA 91765

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Off market mar 2023 for $960K

$1,069,006

Est. refi paymentEst. refi $5,711/mo

•

1,566

sq ft

21352 Fountain Springs Rd, Diamond Bar, CA 91765

About this home

Located in an established neighborhood in South Diamond Bar, this beautiful, bright and airy home is located on a desirable corner lot. For 60 years, this well-maintained, single-story home has been loved and cared for by its original owner. The open concept floorplan is perfect for entertaining and family gatherings. This home features granite kitchen countertops with white cabinetry, crown molding, recessed lighting, neutral colors throughout, spacious living and family rooms, newly painted exterior, large driveway, and a lovely backyard with gorgeous sunset views. This magnificent home is in walking distance to nationally recognized Diamond Bar High School, two award-winning elementary schools, shopping center, and restaurants. Conveniently located near the 57 and 60 freeways.

Single-familyProperty Type

1962Year Built

7,354 sq ftLot Size

$683Est. Price/Sq.Ft.

2 car garageParking

Listed by Jessica DeGuchy •DRE #01335535 • Century 21 Masters

Contact: 951-454-0222

Bought with ANGEL CHEN •DRE #02164584 • Pinnacle Real Estate Group

Redfin checked: a minute ago

•Source:CRMLS #IG23024352

Redfin Estimate

$1,069,006

$109K since sold in March 2023$6,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 9.7% higher than the average sale price ($974K) 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 NOV 3, 2026
$1,055,000
B
3 beds2 baths1,300 sq ft
2646 Castle Rock Rd, Diamond Bar, CA 91765
SOLD SEP 17, 2026
$930,000
C
3 beds2 baths1,300 sq ft
2726 Castle Rock, 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 JUL 31, 2026
$875,000
E
3 beds2 baths1,300 sq ft
21245 Cold Spg, Diamond Bar, CA 91765
SOLD JAN 21, 2026
$980,000
F
4 beds2 baths1,288 sq ft
2819 Castle Rock, Diamond Bar, CA 91765

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Earn from this home

Sell

$294,008

Est. take-home

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Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$3,316/mo

Redfin rental estimate

List your home for rent

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 21352 Fountain Springs Rd

Year

Property tax

Land + Additions

Assessment*

2025

$12,475 (+4.3%)

$741,783 + $276,974

$1,018,757

2024

$11,960 (+8.6%)

$727,239 + $271,544

$998,783

2023

$11,016 (+620.7%)

$712,980 + $266,220

$979,200

2022

$1,529 (+2.4%)

$600,000 + $303,000

$903,000

2021

$1,493 (+1.1%)

$24,920 + $53,340

$78,260

2020

$1,477 (+1.6%)

$24,432 + $52,295

$76,727

2019

$1,453 (+9.0%)

$24,182 + $51,759

$75,941

2018

$1,333 (+3.8%)

$23,708 + $50,745

$74,453

2017

$1,284 (+30.1%)

$22,789 + $48,775

$71,564

2016

$987

$22,789 + $48,775

$71,564

2015

$987

$22,343 + $47,819

$70,162

2010

$987

$18,608 + $39,819

$58,427

2009

$988

$18,608 + $39,819

$58,427

2008

$988

$18,608 + $39,819

$58,427

Tax history for 21352 Fountain Springs Rd

Year

Property tax

Land + Additions

Assessment*

2025

$12,475 (+4.3%)

$741,783 + $276,974

$1,018,757

2024

$11,960 (+8.6%)

$727,239 + $271,544

$998,783

2023

$11,016 (+620.7%)

$712,980 + $266,220

$979,200

2022

$1,529 (+2.4%)

$600,000 + $303,000

$903,000

2021

$1,493 (+1.1%)

$24,920 + $53,340

$78,260

2020

$1,477 (+1.6%)

$24,432 + $52,295

$76,727

2019

$1,453 (+9.0%)

$24,182 + $51,759

$75,941

2018

$1,333 (+3.8%)

$23,708 + $50,745

$74,453

2017

$1,284 (+30.1%)

$22,789 + $48,775

$71,564

2016

$987

$22,789 + $48,775

$71,564

2015

$987

$22,343 + $47,819

$70,162

2010

$987

$18,608 + $39,819

$58,427

2009

$988

$18,608 + $39,819

$58,427

2008

$988

$18,608 + $39,819

$58,427

*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

7,356 Sq. Ft.

Year renovated

1963

Sq. Ft.

1,566

Year built

1962

Style

Single Family Residential

County

Los Angeles County

APN

8285015013

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
Has Parking
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
Area, Gas & Electric Dryer Hookup, Individual Room, Inside

Kitchen Information
Granite Counters

Bathroom Information
# of Baths (Full): 2
Bathtub, Shower, Shower in Tub, Main Floor Full Bath, Walk-in shower

Cooling Information
Central, Electric
Has Cooling

Room Information
All Bedrooms Down, Bonus Room, Kitchen, Laundry, Living Room, Main Floor Bedroom, Main Floor Primary Bedroom

Fireplace Information
Bonus Room, Living Room, Wood
Has Fireplace

Flooring Information
Carpet, Tile

Heating Information
Central Furnace, Fireplace
Has Heating

Interior Features
Copper Plumbing Partial, Crown Moldings, Granite Counters, Open Floor Plan
Levels: One
Main Level Bathrooms: 2
Main Level Bedrooms: 4

Exterior

Exterior Information
Structure Type: House

Exterior Features
Pool Features: None
Has Sprinklers

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: Back Yard, Corner Lot, Front Yard, Near Public Transit, Park Nearby, Sprinklers In Front

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8285015013
Total # of Stories: 1
Has View
Year Built Source: Assessor

Utilities

Utilities Information
Sewer: Public Sewer, Sewer or Septic - Unknown
Water Source: District/Public

Location

Neighborhood Information
Community Features: Curbs, Park, Sidewalks, Street Lighting

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: 33.97740600
Longitude: -117.83780400
Directions: So. Diamond Bar Blvd and Grand. Cross street is Castle Rock
Zoning: LCR17500*

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,566
Stories: —
Lot Size: 7,356 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1963
County: Los Angeles County
APN: 8285015013

Home facts updated by county records on Oct 6, 2026

Other

Listing Information
IDX Contact Info: 951-454-0222
Days Active in MLS: 11
Continuous Days Active in MLS: 11

Listing Agent Information
List Agent First Name: Jessica
List Agent Last Name: DeGuchy

Listing Office Information
List Office Name: Century 21 Now Realty

Selling Agent Information
Buyer Agent First Name: ANGEL
Buyer Agent Last Name: CHEN

Selling Office Information
Buyer Office Name: Pinnacle Real Estate Group

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

$1.02M – $1.23M

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Nearby similar homes

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2695 Shady Ridge Ln, Diamond Bar, CA 91765

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New listings for sale in 91765

$1,020,000

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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

Private patio • Walking paths • Tennis courts

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

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Two story residence • Vaulted ceilings • Fireplace

Home values near 21352 Fountain Springs Rd

Data from public records.

Address	Redfin Estimate
21341 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 2038 Sq. Ft.	$968,021
21320 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$1,001,255
21344 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| - Baths \| 1300 Sq. Ft.	$925,370
2612 Castle Rock Rd, Diamond Bar, CA 4 Beds \| - Baths \| 1358 Sq. Ft.	$926,422
2567 Harmony Hill Dr, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$895,625
2619 Castle Rock Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1288 Sq. Ft.	$889,782
21361 Hidden Pines Dr, Diamond Bar, CA 3 Beds \| - Baths \| 2100 Sq. Ft.	$958,072

Address	Redfin Estimate
21335 Fountain Springs Rd, Diamond Bar, CA 5 Beds \| 2 Baths \| 1446 Sq. Ft.	$913,348
21326 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$887,151
21334 Fountain Springs Rd Apt 1, Diamond Bar, CA 4 Beds \| - Baths \| 1288 Sq. Ft.	$884,888
2606 Castle Rock Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$1,040,821
2605 Castle Rock Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$904,642
21377 Hidden Pines Dr, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$881,257
21355 Hidden Pines Dr, Diamond Bar, CA 4 Beds \| 2 Baths \| 1352 Sq. Ft.	$913,815

Address	Redfin Estimate
21327 Fountain Springs Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$890,597
21334 Fountain Springs Rd, Diamond Bar, CA 4 Beds \| - Baths \| 1624 Sq. Ft.	$947,991
2620 Castle Rock Rd, Diamond Bar, CA 3 Beds \| 2 Baths \| 1280 Sq. Ft.	$896,797
2559 Harmony Hill Dr, Diamond Bar, CA 3 Beds \| 2 Baths \| 1300 Sq. Ft.	$865,123
2611 Castle Rock Rd, Diamond Bar, CA 4 Beds \| 2 Baths \| 1744 Sq. Ft.	$1,094,705
21369 Hidden Pines Dr, Diamond Bar, CA 3 Beds \| - Baths \| 1300 Sq. Ft.	$884,137
21347 Hidden Pines Dr, Diamond Bar, CA 3 Beds \| 2 Baths \| 1948 Sq. Ft.	$953,868

Property information provided by CRMLS when last listed in 2023. 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 21352 Fountain Springs Rd

Tax history for 21352 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 21352 Fountain Springs Rd

More real estate resources