23223 RIDGELINE Rd, Diamond Bar, CA 91765

Off market apr 2002 for $725K

$1,942,407

Est. refi paymentEst. refi $4,956/mo

•

— ba

•

3,079

sq ft

23223 RIDGELINE Rd, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1979Year Built

1.61 acresLot Size

$631Est. Price/Sq.Ft.

3 car garageParking

Listed by STEVEN SHIH •DRE #00905902 • KO TAI REALTY

Bought with JENG-FU CHEN •DRE #01095867 • KO TAI REALTY

Redfin checked: a few seconds ago

•Source:CRMLS #W214058

Redfin Estimate

$1,942,407

$1.2M since sold in April 2002$32K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 34.1% higher than the average sale price ($1.45M) of 6 comparable homes.

SOLD SEP 22, 2026
$1,748,000
A
4 beds3 baths2,690 sq ft
22105 Birds Eye Dr, Diamond Bar, CA 91765
Latitude 33 Real Estate
SOLD AUG 20, 2026
$1,250,000
B
4 beds3 baths2,050 sq ft
1374 Deeplawn Dr, Diamond Bar, CA 91765
SOLD MAR 13, 2026
$1,670,000
C
4 beds3 baths3,263 sq ft
22138 Rim Fire Ln, Diamond Bar, CA 91765
SOLD SEP 30, 2026
$1,218,888
D
4 beds3 baths2,380 sq ft
1423 Copper Mtn, Diamond Bar, CA 91765
SOLD JUN 29, 2026
$1,350,000
E
4 beds3 baths2,334 sq ft
1715 Oxbow Ct, Diamond Bar, CA 91765
SOLD MAY 27, 2026
$1,455,000
F
5 beds3 baths2,655 sq ft
1554 Deerfoot, Diamond Bar, CA 91765

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Sell

$1,674,114

Est. take-home

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Est. cash available

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Rent

$4,467/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

8 MoM

New listings for sale

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$1,170,000
4 beds2.5 baths2,154 sq ft
1029 Twin Cyn, Diamond Bar, CA 91765
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3 beds2 baths1,339 sq ft
512 Armitos Pl, Diamond Bar, CA 91765
OPEN SAT, 2PM TO 5PM
$1,499,900
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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
OPEN SAT, 11AM TO 3PM
$1,363,000
4 beds5 baths2,430 sq ft
883 Terrace W, Pomona, CA 91765
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See all

Provided by Redfin

Sale history for 23223 RIDGELINE Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,851 (+5.1%)

$714,841 + $377,602

$1,092,443

2024

$13,179 (+2.8%)

$700,825 + $370,199

$1,071,024

2023

$12,819 (+2.5%)

$687,084 + $362,941

$1,050,025

2022

$12,510 (+1.9%)

$673,612 + $355,825

$1,029,437

2021

$12,280 (+1.3%)

$660,404 + $348,849

$1,009,253

2020

$12,125 (+1.9%)

$647,455 + $342,009

$989,464

2019

$11,896 (+4.3%)

$640,817 + $338,503

$979,320

2018

$11,410 (+4.8%)

$628,252 + $331,866

$960,118

2017

$10,890 (+3.0%)

$603,857 + $318,980

$922,837

2016

$10,571 (−0.6%)

$603,857 + $318,980

$922,837

2015

$10,638 (−0.5%)

$592,017 + $312,726

$904,743

2014

$10,693 (+1.0%)

$571,703 + $301,996

$873,699

2012

$10,589 (+2.9%)

$569,120 + $300,632

$869,752

2011

$10,296 (+0.7%)

$557,961 + $294,738

$852,699

2010

$10,223 (+0.2%)

$547,021 + $288,959

$835,980

2009

$10,207 (+2.6%)

$542,933 + $286,800

$829,733

2008

$9,948

$544,223 + $287,482

$831,705

Tax history for 23223 RIDGELINE Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,851 (+5.1%)

$714,841 + $377,602

$1,092,443

2024

$13,179 (+2.8%)

$700,825 + $370,199

$1,071,024

2023

$12,819 (+2.5%)

$687,084 + $362,941

$1,050,025

2022

$12,510 (+1.9%)

$673,612 + $355,825

$1,029,437

2021

$12,280 (+1.3%)

$660,404 + $348,849

$1,009,253

2020

$12,125 (+1.9%)

$647,455 + $342,009

$989,464

2019

$11,896 (+4.3%)

$640,817 + $338,503

$979,320

2018

$11,410 (+4.8%)

$628,252 + $331,866

$960,118

2017

$10,890 (+3.0%)

$603,857 + $318,980

$922,837

2016

$10,571 (−0.6%)

$603,857 + $318,980

$922,837

2015

$10,638 (−0.5%)

$592,017 + $312,726

$904,743

2014

$10,693 (+1.0%)

$571,703 + $301,996

$873,699

2012

$10,589 (+2.9%)

$569,120 + $300,632

$869,752

2011

$10,296 (+0.7%)

$557,961 + $294,738

$852,699

2010

$10,223 (+0.2%)

$547,021 + $288,959

$835,980

2009

$10,207 (+2.6%)

$542,933 + $286,800

$829,733

2008

$9,948

$544,223 + $287,482

$831,705

*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

1.6 Acres

Year renovated

1979

Sq. Ft.

3,079

Year built

1979

Style

Single Family Residential

County

Los Angeles County

APN

8713005016

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 7, 2026.

Rural Residential District

The RR zoning district identifies hillside areas intended for rural living, including the keeping of animals, with supporting accessory structures. The maximum allowed density for new residential subdivisions within this zoning district will be one dwelling unit per gross acre, or lower densities where required by chapter 22.22 (Hillside Management). The RR zoning district is consistent with the rural 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

Property details

Parking

Parking / Garage Information
Attached Garage
# of Garage Spaces: 3
Direct Garage Access, Garage Door Opener
Has Parking

Interior

Laundry Information
Has Laundry
Inside

Kitchen Information
Appliances: Built-In, Dishwasher, Gas Cooking, Garbage Disposal
Has Appliances
Breakfast Nook, Formal Dining Room

Cooling Information
Central
Has Cooling

Room Information
Bonus Room, Den, Dressing Area, Entry, Family Room, Living Room, Primary Bedroom, Walk-In Closet, Separate Family Room

Fireplace Information
Living Room
Has Fireplace

Heating Information
Forced Air
Has Heating

Interior Features
Double Door Entry
Balcony, Wet Bar
Levels: Two
Spa Features: Above Ground
Has Spa
Window Features: Custom Covering

Exterior

Exterior Information
Roof: Clay, Spanish Tile

Exterior Features
Patio And Porch Features: Deck
Has Patio
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Lot Over 40000 Sqft, Yard

Property Information
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8713005016
Has View

Financial

Assesments Information
Assessments: Unknown

Location

Homeowners Association
Association Fee: $155

Location Information
Latitude: 33.98848200
Longitude: -117.81398200
Other Subdivision Name: COUNTRY ESTATE
Subdivision Name: COUNTRY ESTATE

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 3,079
Stories: —
Lot Size: 1.6 acres
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1979
County: Los Angeles County
APN: 8713005016

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 37
Continuous Days Active in MLS: 37

Listing Agent Information
List Agent First Name: STEVEN
List Agent Last Name: SHIH

Listing Office Information
List Office Name: KO TAI REALTY

Selling Agent Information
Buyer Agent First Name: JENG-FU
Buyer Agent Last Name: CHEN

Selling Office Information
Buyer Office Name: KO TAI REALTY

Around this home

Schools

Evergreen Elementary School

Public K-5 • Assigned • 1.3mi

9/10

Chaparral Middle School

Public 6-8 • Assigned • 0.5mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.5mi

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

4% chance of being in a wildfire in next 30 years

5/10 Heat Factor

2 days above 98° expected this year, 5 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 9.7 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.7 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.85M – $2.23M

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Home values near 23223 RIDGELINE Rd

Data from public records.

Address	Redfin Estimate
23235 Ridge Line Road, Diamond Bar, CA 4 Beds \| 4 Baths \| 4046 Sq. Ft.	$1,760,313
23347 Ridge Line Road, Diamond Bar, CA 5 Beds \| 4 Baths \| 5642 Sq. Ft.	$2,252,565

Address	Redfin Estimate
23303 Ridge Line Road, Diamond Bar, CA 5 Beds \| 4.5 Baths \| 5505 Sq. Ft.	$2,388,961
23331 Ridge Line Road, Diamond Bar, CA 5 Beds \| 5 Baths \| 5596 Sq. Ft.	$3,691,650

Address	Redfin Estimate
23317 Ridge Line Road, Diamond Bar, CA 5 Beds \| 4 Baths \| 4542 Sq. Ft.	$3,184,663
23324 Ridge Line Road, Diamond Bar, CA 5 Beds \| 4 Baths \| 4358 Sq. Ft.	$2,549,788

Property information provided by CRMLS when last listed in 2002. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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