24131 High Knob Rd Unit D, Diamond Bar, CA 91765

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Off market may 2015 for $350K

$579,038

Est. refi paymentEst. refi $2,422/mo

•

1,265

sq ft

24131 High Knob Rd Unit D, Diamond Bar, CA 91765

About this home

Welcome to Diamond Bar! Beautiful 2 Bedroom, 3 bathroom condo with 2 car garage nestled in this very well maintained community with lush landscaping, plenty of shady trees and manicured greenbelts. Delightfully fresh décor with recessed lighting, ceiling fans throughout. You will enjoy fires in your comfortable living room, and relax in your private patio that is a spacious enough for entertaining. The beautifully remodeled kitchen features granite counter tops and attractive dark wood cabinets. Spacious upstairs suites feature cathedral ceilings with windows that let in plenty of natural sunlight, plus a remodeled master bath. Diamond Bar’s charming qualities have not gone unnoticed. CNN Money Magazine ranked Diamond Bar as one of the “Top 100 Best Places to Live” in both 2007 and 2012. Family Circle magazine named the city one of their top “10 Best Towns for Families. Even Business Week acknowledged Diamond Bar’s success by listing this great city among the top three “50 Best Places to raise your Kids. ” The community also features a swimming pool, spa & tennis court. Conveniently located to the 57, 60 and 10 freeways, this home is a must see!

CondoProperty Type

1985Year Built

2.27 acresLot Size

$458Est. Price/Sq.Ft.

2 car garageParking

Listed by Charlene Costantino •DRE #00896039 • CENTURY 21 PEAK

Bought with EUGENE HWANG •DRE #01381044 • THE ROCK REALTY

Redfin checked: 2 minutes ago

•Source:CRMLS #CV15036793

Redfin Estimate

$579,038

$229K since sold in May 2015$2,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 16.6% higher than the average sale price ($497K) of 6 comparable homes.

SOLD APR 30, 2026
$511,000
A
2 beds2 baths1,109 sq ft
424 Golden Springs Dr Unit F, Diamond Bar, CA 91765
SOLD JUN 11, 2026
$460,000
B
2 beds2 baths1,034 sq ft
67 Country Mile, Pomona, CA 91766
SOLD SEP 3, 2026
$520,000
C
2 beds2 baths1,105 sq ft
950 Golden Springs Dr Unit F, Diamond Bar, CA 91765
SOLD AUG 20, 2026
$465,000
D
2 beds2 baths1,034 sq ft
69 Town And Country Rd, Pomona, CA 91766
SOLD JUL 29, 2026
$489,000
E
3 beds2 baths1,293 sq ft
23 Willowcrest, Pomona, CA 91766
SOLD JUL 29, 2026
$535,000
F
2 beds1.5 baths1,079 sq ft
428 Golden Springs Dr Unit E, Diamond Bar, CA 91765
eXp Realty of California Inc

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Earn from this home

Sell

$336,572

Est. take-home

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Refinance

Est. cash available

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Rent

$1,138/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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Provided by Redfin

Sale history for 24131 High Knob Rd Unit D

Year

Property tax

Land + Additions

Assessment*

2025

$5,901 (+9.0%)

$222,096 + $198,539

$420,635

2024

$5,413 (+2.0%)

$222,096 + $198,539

$420,635

2023

$5,309 (+1.6%)

$217,742 + $194,647

$412,389

2022

$5,225 (+2.3%)

$213,473 + $190,831

$404,304

2021

$5,110 (+0.4%)

$209,288 + $187,090

$396,378

2020

$5,092 (−2.4%)

$205,185 + $183,422

$388,607

2019

$5,219 (+7.3%)

$203,082 + $181,542

$384,624

2018

$4,863 (+1.8%)

$199,100 + $177,983

$377,083

2017

$4,779 (+4.6%)

$191,370 + $171,073

$362,443

2016

$4,567 (+81.7%)

$191,370 + $171,073

$362,443

2015

$2,514 (+0.5%)

$187,618 + $167,719

$355,337

2014

$2,501 (+0.8%)

$48,013 + $127,504

$175,517

2012

$2,480 (+3.1%)

$47,797 + $126,928

$174,725

2011

$2,406 (+0.7%)

$46,860 + $124,440

$171,300

2010

$2,389 (+2.8%)

$45,942 + $122,000

$167,942

2009

$2,324 (+4.9%)

$45,599 + $121,089

$166,688

2008

$2,215

$45,708 + $121,377

$167,085

Tax history for 24131 High Knob Rd Unit D

Year

Property tax

Land + Additions

Assessment*

2025

$5,901 (+9.0%)

$222,096 + $198,539

$420,635

2024

$5,413 (+2.0%)

$222,096 + $198,539

$420,635

2023

$5,309 (+1.6%)

$217,742 + $194,647

$412,389

2022

$5,225 (+2.3%)

$213,473 + $190,831

$404,304

2021

$5,110 (+0.4%)

$209,288 + $187,090

$396,378

2020

$5,092 (−2.4%)

$205,185 + $183,422

$388,607

2019

$5,219 (+7.3%)

$203,082 + $181,542

$384,624

2018

$4,863 (+1.8%)

$199,100 + $177,983

$377,083

2017

$4,779 (+4.6%)

$191,370 + $171,073

$362,443

2016

$4,567 (+81.7%)

$191,370 + $171,073

$362,443

2015

$2,514 (+0.5%)

$187,618 + $167,719

$355,337

2014

$2,501 (+0.8%)

$48,013 + $127,504

$175,517

2012

$2,480 (+3.1%)

$47,797 + $126,928

$174,725

2011

$2,406 (+0.7%)

$46,860 + $124,440

$171,300

2010

$2,389 (+2.8%)

$45,942 + $122,000

$167,942

2009

$2,324 (+4.9%)

$45,599 + $121,089

$166,688

2008

$2,215

$45,708 + $121,377

$167,085

*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

—

Year renovated

1985

Sq. Ft.

1,265

Year built

1985

Style

Condo/Co-op

County

Los Angeles County

APN

8704021246

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 28, 2026.

RMH

Medium/High Density Residential District

The RMH zoning district is intended for areas of existing and planned townhome, condominium, apartment, other multifamily residential projects, and mobile home parks. The maximum allowed density for new residential projects within this zoning district will be 16 dwellings per gross acre. The RMH zoning district is consistent with the medium high density residential land use category of the general plan.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space

Property details

Parking

Parking / Garage Information
# of Garage Spaces: 2
Garage, Guest
Has Parking
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
Area, Inside, On Upper Level

Kitchen Information
Appliances: Dishwasher, Free Standing Range, Garbage Disposal, Gas Oven, Gas Range, Microwave
Has Appliances
Area

Bathroom Information
# of Baths (Full): 2
# of Baths (1/2): 1

Cooling Information
Central
Has Cooling

Room Information
All Bedrooms Up, Dressing Area, Living Room, Primary Bedroom, Two Primaries

Fireplace Information
Gas, Living Room
Has Fireplace

Flooring Information
Carpet, Tile

Heating Information
Central Furnace
Has Heating

Interior Features
Cathedral-Vaulted Ceilings, Ceiling Fan, Granite Counters, Recessed Lighting
Levels: Two
Security Features: Carbon Monoxide Detector(s), Smoke Detector
Spa Features: Association, In Ground
Has Spa
Window Features: Blinds

Exterior

Exterior Information
Roof: Tile
Construction Materials: Stucco, Wood

Foundation Information
Foundation Details: Concrete Slab

Exterior Features
Patio And Porch Features: Brick, Patio
Has Patio
Pool Features: Association, In Ground
Has Pool

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Greenbelt

Property Information
Total # of Units: 112
Common Walls: 2+ common walls
Living Area Source: Assessor's Data
Parcel Number: 8704021246
Attached Property
Property Condition: Turnkey
Total # of Stories: 2
Has View
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

Utilities Information
Sewer Connected
Water Source: District/Public

Location

Multi-Unit Information
# of Units In Community: 112

Homeowners Association
Is Part of Association
Association Name: Cimmaron Oaks
Association Fee: $279
Association Fee Frequency: Monthly
Association Amenities: Pool, Spa, Tennis

Neighborhood Information
Community Features: Sidewalks, Street Lighting, Suburban

Location Information
Latitude: 34.03536200
Longitude: -117.79505900
Road Frontage Type: Access via City Streets

Public facts

Beds: 2
Baths: 3.0
Sq. Ft.: 1,265
Stories: —
Lot Size: —
Style: Condo/Co-op
Year Built: 1985
Year Renovated: 1985
County: Los Angeles County
APN: 8704021246

Home facts updated by county records on Sep 28, 2026

Other

Listing Information
Days Active in MLS: 92
Continuous Days Active in MLS: 92

Listing Agent Information
List Agent First Name: CHARLENE
List Agent Last Name: COSTANTINO

Listing Office Information
List Office Name: CENTURY 21 PRESTIGE PROPERTIES

Selling Agent Information
Buyer Agent First Name: EUGENE
Buyer Agent Last Name: HWANG

Selling Office Information
Buyer Office Name: THE ROCK REALTY

Around this home

Schools

Ranch Hills Elementary School

Public K-6 • Assigned • 0.6mi

7/10

Lorbeer Middle School

Public 7-8 • Assigned • 1.5mi

5/10

Diamond Ranch High School

Public 9-12 • Assigned • 1.4mi

8/10

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

4/10 Fire Factor

0.93% chance of being in a wildfire in next 30 years

6/10 Heat Factor

5 days above 99° expected this year, 15 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 10.1 hours in June and 6.8 hours in December, placing it above the U.S. average for solar exposure.

10.1 hrs

6.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$551,000 – $666,000

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Home values near 24131 High Knob Rd Unit D

Data from public records.

Address	Redfin Estimate
24141 High Knob Rd Apartment A, Diamond Bar, CA 3 Beds \| 2.5 Baths \| 1438 Sq. Ft.	$545,505
24141 High Knob Rd Apartment D, Diamond Bar, CA 2 Beds \| 2.5 Baths \| 1265 Sq. Ft.	$570,975

Address	Redfin Estimate
24141 High Knob Rd Apartment B, Diamond Bar, CA 3 Beds \| 2.5 Baths \| 1420 Sq. Ft.	$670,256
24141 High Knob Rd Apartment E, Diamond Bar, CA 2 Beds \| 2 Baths \| 1071 Sq. Ft.	$543,006

Address	Redfin Estimate
24141 High Knob Rd Apartment C, Diamond Bar, CA 2 Beds \| 2.5 Baths \| 1215 Sq. Ft.	$610,246
24141 High Knob Rd Apartment F, Diamond Bar, CA 2 Beds \| 1.5 Baths \| 1108 Sq. Ft.	$494,073

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 24131 High Knob Rd Unit D

Tax history for 24131 High Knob Rd Unit D

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 24131 High Knob Rd Unit D

More real estate resources