23719 Ridge Line Rd, Diamond Bar, CA 91765

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Off market jan 2014 for $2.5M

$3,613,799

Est. refi paymentEst. refi $14,271/mo

•

6,000

sq ft

23719 Ridge Line Rd, Diamond Bar, CA 91765

About this home

Fantastic custom built Estate in 24-hour Guard Gated Community "THE COUNTRY". Owner spent lots of money for high upgrade and remodeled beautiful house. Remodeled in 2006.Total 6000 s. f( 5360 s. f for main house + 640 s. f separate guest house). 180 degree panoramic city light view. Lots of high top quality upgraded inside. Hardwood floor throughout all upstairs and downstairs. Crown moldings. Remodeled kitchen with granite counter top, and stainless appliances. Large family room with cozy fire place and high wood ceiling. huge wet bar with wine celler and over size sitting area. Large size patio for relaxing and enjoying beautiful city light view. Guest house with lots of windows to see the view , high ceiling, one bedroom, one full bathroom, loft and a fire place. good size swimming pool and spa. Golf practice range at down the backyard. And much more. .. ..

Single-familyProperty Type

1983Year Built

1.82 acresLot Size

$602Est. Price/Sq.Ft.

3 car garageParking

Listed by Jennifer Cho •DRE #01338245 • NEW STAR REALTY & INVESTMENT

Bought with YIU KWEI •DRE #01875802 • KELLER WILLIAMS SIGNATURE RLTY

Redfin checked: a few seconds ago

•Source:CRMLS #CV13167096

Redfin Estimate

$3,613,799

$1.1M since sold in January 2014$56K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 87.2% higher than the average sale price ($1.93M) of 6 comparable homes.

SOLD APR 30, 2026
$2,900,000
A
5 beds6 baths6,078 sq ft
23615 Falcons View Dr, Diamond Bar, CA 91765
RE/MAX Galaxy
SOLD SEP 24, 2026
$1,450,000
B
5 beds3 baths2,806 sq ft
1590 Deer Crossing Dr, Diamond Bar, CA 91765
Re/Max Premier Properties
SOLD AUG 12, 2026
$1,440,600
C
4 beds3 baths3,203 sq ft
1135 Summitridge Dr, Diamond Bar, CA 91765
SOLD FEB 3, 2026
$2,700,000
D
5 beds4 baths4,099 sq ft
2640 Shady Rdg, Diamond Bar, CA 91765
RE/MAX Galaxy
SOLD MAY 27, 2026
$1,455,000
E
5 beds3 baths2,655 sq ft
1554 Deerfoot, Diamond Bar, CA 91765
SOLD SEP 4, 2026
$1,640,000
F
5 beds3 baths2,842 sq ft
1566 Autumn Hl, Diamond Bar, CA 91765

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Earn from this home

Sell

$1,994,000

Est. take-home

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Refinance

Est. cash available

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Rent

$5,070/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

NEW 9 HRS AGO
$675,000
3 beds2 baths989 sq ft
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OPEN TODAY, 1:30PM TO 4:30PM
$1,780,000
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3125 S Ridge Point Dr, Diamond Bar, CA 91765
ReMax 2000 Realty
OPEN SUN, 12PM TO 3PM
$899,000
3 beds2 baths1,274 sq ft
22922 Dry Crk, Diamond Bar, CA 91765
OPEN TODAY, 11AM TO 4PM
$948,000
3 beds3 baths1,552 sq ft
24271 Seagreen Dr, Diamond Bar, CA 91765
K.W. EXECUTIVE
$4,000,000
6 beds5 baths5,797 sq ft
1809 Diamond Knl, Diamond Bar, CA 91765
$1,480,000
5 beds3 baths2,447 sq ft
1667 Cypress Grove Ln, Diamond Bar, CA 91765
$1,170,000
4 beds2.5 baths2,154 sq ft
1029 Twin Cyn, Diamond Bar, CA 91765
FOR SALE BY OWNER
$1,200,000
3 beds2 baths1,339 sq ft
512 Armitos Pl, Diamond Bar, CA 91765
OPEN TODAY, 2PM TO 5PM
$1,499,900
5 beds3 baths3,203 sq ft
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
See all

Provided by Redfin

Sale history for 23719 Ridge Line Rd

Date

Event

Price

CRMLS #CV13167096

Jan 22, 2014

Sold

$2,500,000

$417/sq ft

Jan 20, 2014

Pending

—

Nov 5, 2013

Pending

—

Oct 28, 2013

Relisted

—

Oct 18, 2013

Delisted

—

Aug 19, 2013

Listed

$2,780,000

$463/sq ft

CRMLS #CV13025311

Aug 17, 2013

Listing Removed

—

Feb 17, 2013

Listed

$2,780,000

$463/sq ft

CRMLS #C516849

Jan 18, 2006

Sold

$1,500,000

$250/sq ft

Sep 19, 2005

Listed

$1,658,888

$276/sq ft

CRMLS #C235243

May 3, 2002

Listing Removed

—

Oct 3, 2001

Listed

$913,800

$152/sq ft

Public Records

May 20, 1999

Sold

$590,000

$98/sq ft

Public Records

Feb 4, 1997

Sold

$590,000

$98/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$37,534 (+4.3%)

$1,250,376 + $1,875,566

$3,125,942

2024

$35,984 (+2.6%)

$1,225,859 + $1,838,791

$3,064,650

2023

$35,058 (+2.2%)

$1,201,823 + $1,802,737

$3,004,560

2022

$34,295 (+1.8%)

$1,178,258 + $1,767,390

$2,945,648

2021

$33,682 (+1.3%)

$1,155,155 + $1,732,736

$2,887,891

2020

$33,250 (+2.0%)

$1,132,505 + $1,698,761

$2,831,266

2019

$32,605 (+3.9%)

$1,120,893 + $1,681,343

$2,802,236

2018

$31,389 (+4.9%)

$1,098,915 + $1,648,376

$2,747,291

2017

$29,921 (+2.9%)

$1,056,244 + $1,584,368

$2,640,612

2016

$29,077 (−0.7%)

$1,056,244 + $1,584,368

$2,640,612

2015

$29,271 (+98.5%)

$1,035,534 + $1,553,302

$2,588,836

2014

$14,746 (−1.4%)

$706,800 + $514,400

$1,221,200

2012

$14,948 (+1.0%)

$706,800 + $514,400

$1,221,200

2011

$14,804 (−8.7%)

$706,800 + $514,400

$1,221,200

2010

$16,221 (+0.3%)

$706,800 + $514,400

$1,221,200

2009

$16,168 (−25.6%)

$778,100 + $566,200

$1,344,300

2008

$21,728

$778,100 + $566,200

$1,344,300

Tax history for 23719 Ridge Line Rd

Year

Property tax

Land + Additions

Assessment*

2025

$37,534 (+4.3%)

$1,250,376 + $1,875,566

$3,125,942

2024

$35,984 (+2.6%)

$1,225,859 + $1,838,791

$3,064,650

2023

$35,058 (+2.2%)

$1,201,823 + $1,802,737

$3,004,560

2022

$34,295 (+1.8%)

$1,178,258 + $1,767,390

$2,945,648

2021

$33,682 (+1.3%)

$1,155,155 + $1,732,736

$2,887,891

2020

$33,250 (+2.0%)

$1,132,505 + $1,698,761

$2,831,266

2019

$32,605 (+3.9%)

$1,120,893 + $1,681,343

$2,802,236

2018

$31,389 (+4.9%)

$1,098,915 + $1,648,376

$2,747,291

2017

$29,921 (+2.9%)

$1,056,244 + $1,584,368

$2,640,612

2016

$29,077 (−0.7%)

$1,056,244 + $1,584,368

$2,640,612

2015

$29,271 (+98.5%)

$1,035,534 + $1,553,302

$2,588,836

2014

$14,746 (−1.4%)

$706,800 + $514,400

$1,221,200

2012

$14,948 (+1.0%)

$706,800 + $514,400

$1,221,200

2011

$14,804 (−8.7%)

$706,800 + $514,400

$1,221,200

2010

$16,221 (+0.3%)

$706,800 + $514,400

$1,221,200

2009

$16,168 (−25.6%)

$778,100 + $566,200

$1,344,300

2008

$21,728

$778,100 + $566,200

$1,344,300

*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

1.82 Acres

Year renovated

1983

Sq. Ft.

4,767

Year built

1983

Style

Single Family Residential

County

Los Angeles County

APN

8713004012

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
# of Garage Spaces: 3
# of Parking Spaces: 3

Interior

Bathroom Information
# of Baths (Full): 4
# of Baths (1/2): 1

Cooling Information
Central
Has Cooling

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

Fireplace Information
Family Room, Guest House
Has Fireplace

Heating Information
Forced Air
Has Heating

Interior Features
Levels: Two
Spa Features: In Ground
Has Spa

Exterior

Exterior Information
Roof: Concrete

Exterior Features
Patio And Porch Features: Deck
Has Patio
Pool Features: In Ground, Private
Has Pool

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

Property Information
Total # of Units: 2
Common Walls: 2+ common walls
Living Area Source: Estimated
Parcel Number: 8713004012
Attached Property
Has View
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Mello-Roos

Utilities

Utilities Information
Sewer Available
Water Source: District/Public

Location

Multi-Unit Information
# of Units In Community: 2

Homeowners Association
Is Part of Association
Association Fee: $205
Association Fee Frequency: Monthly

Neighborhood Information
Community Features: Mountainous

Location Information
Latitude: 33.99049000
Longitude: -117.80651100

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 4,767
Stories: —
Lot Size: 1.82 acres
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1983
County: Los Angeles County
APN: 8713004012

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 145
Continuous Days Active in MLS: 182

Listing Agent Information
List Agent First Name: JENNIFER
List Agent Last Name: CHO

Listing Office Information
List Office Name: NEW STAR REALTY & INVESTMENT

Selling Agent Information
Buyer Agent First Name: YIU
Buyer Agent Last Name: KWEI

Selling Office Information
Buyer Office Name: KELLER WILLIAMS SIGNATURE RLTY

Around this home

Schools

Evergreen Elementary School

Public K-5 • Assigned • 1.7mi

9/10

Chaparral Middle School

Public 6-8 • Assigned • 0.8mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 2.0mi

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 97° 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

$3.43M – $4.16M

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New listings for sale in 91765

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FOR SALE BY OWNER

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OPEN TODAY, 2PM TO 5PM

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Home values near 23719 Ridge Line Rd

Data from public records.

Address	Redfin Estimate
23605 Ridge Line Road, Diamond Bar, CA 7 Beds \| 6 Baths \| 5852 Sq. Ft.	$2,898,836
23735 Ridge Line Road, Diamond Bar, CA 6 Beds \| 8.5 Baths \| 9840 Sq. Ft.	$6,465,680

Address	Redfin Estimate
23621 Ridge Line Road, Diamond Bar, CA 5 Beds \| - Baths \| 5184 Sq. Ft.	$2,554,087
23807 Ridge Line Road, Diamond Bar, CA 5 Beds \| 5.5 Baths \| 7099 Sq. Ft.	$4,165,783

Address	Redfin Estimate
23707 Ridge Line Road, Diamond Bar, CA 6 Beds \| 7 Baths \| 6823 Sq. Ft.	$3,579,281
23819 Ridge Line Road, Diamond Bar, CA 3 Beds \| 3 Baths \| 3040 Sq. Ft.	$1,958,254

Property information provided by CRMLS when last listed in 2013. This data may not match . Learn more.

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