Listed by Ty Courtney Wallace •DRE #01016494 • Coldwell Banker Tri-Counties R

Contact: 951-202-8950

For sale

$998,000

Est. $6,476/mo —

•

2,396

sq ft

24224 High Knob, Diamond Bar, CA 91765

About this home

Welcome to this spacious Anden Homes property in beautiful Diamond Bar. The North Country subdivision. Featuring 4 bedrooms and 2.75 bathrooms with one large bedroom (no closet, but room to add) and bathroom downstairs. The home has been expanded from original with a family room addition and a downstairs bedroom with an enlarged bathroom that boasts a shower for mobility challenged use. Vaulted ceilings flow through the living room as you enter the home. The kitchen was remodeled from original- offering a gas range, recessed lighting, and tiled countertops. The kitchen is open to the family room. There is an office area or kitchen extension with a fireplace. Breakfast bar seating faces the kitchen from the family room. The upper floor features 3 bedrooms and 2 bathrooms. The spacious 10079 sf yard offers wonderful vistas of the snowcapped mountains from the elevated view deck which sits atop a 2-bedroom frame and stucco outbuilding. The 2-bedroom outbuilding has electricity installed and water is possible. Extra-large gated RV parking and multiple storage sheds. Relax in the newer spa that was added in 2024. The HVAC was upgraded circa 2015. The home has been repiped with copper- for many years of carefree living ahead! Skylights are being replaced mid March 2026. A new rollup 2 car garage door and opener were added in 2022. Walk to Peterson Park which has lighted soccer fields and a baseball diamond. A skateboard park is an additional highlight. Award winning schools consist of Diamond Ranch High, Lorbeer Middle School, and Diamond Point, Pantera or Golden Springs Elementary. Diamond Bar's motto is "Country Living. "

Single-familyProperty Type

1984Year Built

10,079 sq ftLot Size

$417Price/Sq.Ft.

2 car garageParking

Listing updated: Mar 26, 2026 at 12:13pm

Redfin checked: 2 minutes ago

•Source:CRMLS #TR26003232

Payment calculator

$6,476 per month

Principal and interest$5,245

Property taxes

$1,040

HOA dues

Home insurance

$191

Utilities

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Nearby open houses (10)

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304 N MONTEREY, Ontario, CA 91764
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$888,800
4 beds3 baths2,310 sq ft
14559 Norfolk, Chino, CA 91710
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3 beds2.5 baths1,553 sq ft
2027 Driftstone, Glendora, CA 91740
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OPEN SAT, 11AM TO 2PM
$699,000
3 beds2 baths1,554 sq ft
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$1,000,000
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302 Sarah Ave, Placentia, CA 92870
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$849,000
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Around this home

Schools

K - 12
Preschool & daycare

Lorbeer Middle School

Public 7-8 • Assigned • 1.5mi

5/10

Diamond Ranch High School

Public 9-12 • Assigned • 1.2mi

8/10

Provided by GreatSchools

About Phillips

Ranch

Phillips Ranch, located between Diamond Bar and Chino Hills, is a hillside and master-planned Pomona neighborhood with curving cul-de-sacs and greenbelt trails. The neighborhood’s character concentrates around the Rio Rancho Rd and Village Loop Rd area, where small plazas, coffee counters, and everyday services meet the steady rhythm of commuter traffic. Stucco homes with tile roofs and tidy front yards line winding streets that follow the terrain. The green spine of Phillips Ranch Park and nearby trail links shapes an outdoors-forward routine. Cal Poly Pomona’s cultural calendar and galleries add a campus-adjacent creative note. The 57 and 71 corridors frame the edges, keeping the setting connected while the interior stays residential.

Provided by Walk Score and Local Logic

Offer insights

24224 High Knob · $998,000

Strong offer

$998K and above

75% chance or better to win

Why $998K+ is a strong offer

DAYS ON MARKET

The average home goes pending in 41 days.

SALE-TO-LIST

Most homes are selling 1% above list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Interior features
Unfurnished
Ceiling fan(s)
Recessed lighting
Granite counters
French/Mullioned windows
Two levels
Main-level bedroom and bathroom present
Private, heated above-ground spa

Bedrooms
Primary bedroom
Main floor bedroom
Separate family room (additional living space)

Bathrooms
Two full bathrooms
One three-quarter bathroom
Upgraded and remodeled baths
Walk-in shower and shower-in-tub options
Granite counters in bathrooms

Kitchen
Remodeled kitchen open to family room
Gas range
Dishwasher
Water line to refrigerator
Vented exhaust fan
Water heater unit

Laundry & utility
Laundry room inside
Washer hookup
Gas dryer hookup
Individual laundry room

Flooring
Tile flooring

Heating & cooling
Central cooling
Natural gas heating
Forced air / central furnace

Sale and tax history for 24224 High Knob

Sale History
Tax History

Date

Event

Price

CRMLS #TR26068777

May 28, 2026

Sold

$945,000

$394/sq ft

Apr 29, 2026

Pending

—

Apr 22, 2026

Relisted

—

Apr 20, 2026

Pending

—

Apr 15, 2026

Price Changed

$958,888

$400/sq ft

Mar 31, 2026

Listed

$980,000

$409/sq ft

Welcome to the North Country subdivision in Diamond Bar. Featuring 4 bedrooms and 2.75 bathrooms with 1 large bedroom (no closet, but room to add a closet) and 1 bathroom downstairs. The home has been expanded from the original 1552 sf (shows 1552 sf on title) with a family room addition and a downstairs bedroom with an enlarged bathroom that boasts a shower for mobility challenged use. 2397 sf total living space. The unpermitted family room addition is 400 sf and 30 years old. It is well built with photo albums showing the construction- which will allow for ease of permitting in the future. Vaulted ceilings flow through the living room as you enter the home. The kitchen was remodeled from original- offering a gas range, recessed lighting, and tiled countertops. There is a convenient office area or kitchen extension with a fireplace. Breakfast bar seating faces the kitchen from the family room. The upper floor features 3 bedrooms and 2 remodeled bathrooms. The spacious 10079 sf yard offers wonderful vistas of the snowcapped mountains from the elevated view deck which sits atop a 2-bedroom frame and stucco casita consisting of an additional 445 sf. The 2-bedroom casita has electricity installed and water is possible. The slab and back wall and roof were permitted- however, later on the owner enclosed the building without permits- but in a professional manner. Extra-large gated RV parking and multiple storage sheds. Relax in the newer spa that was added in 2024. The HVAC was upgraded circa 2015. The home has been recently repiped with copper- for many years of carefree living ahead! New skylights mid March 2026. A new rollup 2 car garage door and opener were added in 2022. Walk to Peterson Park which has lighted soccer fields and a baseball diamond. A skateboard park is an additional highlight. Award winning schools consist of Diamond Ranch High, Lorbeer Middle School, and Diamond Point, Pantera, or Golden Springs Elementary. Diamond Bar's motto is "Country Living. " Exceptional Value- just reduced on 4.15.26.

CRMLS #TR26003232

Mar 21, 2026

Relisted

—

Mar 10, 2026

Price Changed

$998,000

$417/sq ft

Feb 25, 2026

Price Changed

$1,011,100

$422/sq ft

Feb 9, 2026

Price Changed

$1,018,000

$425/sq ft

Jan 27, 2026

Price Changed

$1,068,000

$446/sq ft

Jan 6, 2026

Listed

$1,088,000

$454/sq ft

Public Records

Oct 5, 1988

Sold

$118,000

$49/sq ft

Public Records

Apr 26, 1985

Sold

$118,000

$49/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$3,808 (+10.4%)

$56,849 + $187,109

$243,958

2024

$3,449 (+1.9%)

$56,849 + $187,109

$243,958

2023

$3,386 (+1.7%)

$55,735 + $183,441

$239,176

2022

$3,330 (+2.4%)

$54,643 + $179,845

$234,488

2021

$3,252 (+0.4%)

$53,572 + $176,319

$229,891

2020

$3,239 (−2.0%)

$52,522 + $172,862

$225,384

2019

$3,306 (+10.2%)

$51,984 + $171,090

$223,074

2018

$3,000 (+1.8%)

$50,965 + $167,736

$218,701

2017

$2,946 (+4.8%)

$48,987 + $161,224

$210,211

2016

$2,811 (+0.9%)

$48,987 + $161,224

$210,211

2015

$2,787 (+0.5%)

$48,027 + $158,063

$206,090

2014

$2,773 (+0.9%)

$46,380 + $152,640

$199,020

2012

$2,747 (+3.1%)

$46,171 + $151,951

$198,122

2011

$2,664 (+0.7%)

$45,266 + $148,972

$194,238

2010

$2,644 (+2.9%)

$44,379 + $146,051

$190,430

2009

$2,570 (+5.0%)

$44,048 + $144,960

$189,008

2008

$2,448

$44,153 + $145,305

$189,458

Public record

Public record
Zoning

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

10,079 Sq. Ft.

Year renovated

1984

Finished Sq. Ft.

1,552

Unfinished Sq. Ft.

—

Total Sq. Ft.

1,552

Year built

1984

Style

Single Family Residential

County

Los Angeles County

APN

8704049009

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 30, 2026.

Low Density Residential District

The RL zoning district is intended primarily for parcels developed with existing detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be three dwellings per gross acre. The RL zoning district is consistent with the low density residential land use category of the general plan.

Permitted uses

Include but are not limited to:

Livestock production
Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space

Local insights from Redfin agents

The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...
2 months ago • Los Angeles County
Peter Santos
Redfin Premier agent
82 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

1% chance of being in a wildfire in next 30 years

6/10 Heat Factor

4 days above 99° expected this year, 11 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

76/ 100

Good sunlight

Sunscore

There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

7.9 hrs

4.7 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 24224 High Knob

$973,872

$24K under list price of $998K

Nearby comparable homes

The Redfin Estimate uses 5 recent nearby sales, priced between $950K to $1.2M.

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smaller lot
15 years older
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$5/sq ft
smaller lot
19 years older
SOLD SEP 19, 2025
$950,000 Last sold price
4 beds2 baths1,859 sq ft
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Marterra Real Estate
$94/sq ft
17 years older
SOLD NOV 14, 2025
$970,000 Last sold price
5 beds3 baths2,498 sq ft
1236 Flintlock, Diamond Bar, CA 91765
$29/sq ft
15 years older

Rental earnings

Est. $3,353 per month, based on comparable rentals

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Details provided by CRMLS and may not match the public record. Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Payment calculator

Affordability tools

See this home in person

Nearby open houses (10)

Around this home

Schools

Offer insights

Property details

Sale and tax history for 24224 High Knob

Public record

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Redfin Estimate for 24224 High Knob

Early Access listings

Nearby similar homes

New listings for sale in 91765

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