23700 RIDGE LINE Rd, Diamond Bar, CA 91765

Off Market Sep 2002 for $898K

$2,430,246

Est. refi paymentEst. refi $4,952/mo

•

— ba

•

4,624

sq ft

23700 RIDGE LINE Rd, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1978Year Built

1.55 acresLot Size

$526Est. Price/Sq.Ft.

3 car garageParking

Listed by Diana Cheng •DRE #00856071 • RE/MAX Galaxy

Bought with Diana Cheng •DRE #00856071 • RE/MAX Galaxy

Redfin checked: a few seconds ago

•Source:CRMLS #H227623

Redfin Estimate

$2,430,246

$1.5M since sold in September 2002$4,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 23.4% higher than the average sale price ($1.97M) of 6 comparable homes.

SOLD MAY 27, 2026
$1,455,000
A
5 beds3 baths2,655 sq ft
1554 Deerfoot, Diamond Bar, CA 91765
SOLD JUL 23, 2026
$1,980,000
B
5 beds4 baths4,642 sq ft
22517 Lazy Mdw, Diamond Bar, CA 91765
SOLD JUN 15, 2026
$1,450,350
C
5 beds3 baths2,530 sq ft
1669 Bronze Knl, Diamond Bar, CA 91765
SOLD DEC 9, 2025
$2,790,000
D
5 beds5 baths4,809 sq ft
22536 Ridge Line Rd, Diamond Bar, CA 91765
SOLD AUG 12, 2026
$1,440,600
E
4 beds3 baths3,203 sq ft
1135 Summitridge Dr, Diamond Bar, CA 91765
SOLD FEB 3, 2026
$2,700,000
F
5 beds4 baths4,099 sq ft
2640 Shady Rdg, Diamond Bar, CA 91765
RE/MAX Galaxy

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Sell

$2,077,537

Est. take-home

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Est. cash available

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Rent

$5,056/mo

Redfin rental estimate

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Market trends in 91765, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.4%

0.4% MoM

Median sale price

$1.1M

$22K MoM

Avg. days on market

42d

3 days MoM

Recently sold homes

16 MoM

New listings for sale

OPEN SAT, 2PM TO 5PM
$538,000
3 beds2 baths1,047 sq ft
800 Grand Ave Unit D1, Diamond Bar, CA 91765
NEW 21 HRS AGO
$1,070,000
4 beds2.5 baths1,893 sq ft
24126 Silver Spray, Diamond Bar, CA 91765
$818,800
3 beds3 baths1,570 sq ft
22935 Estoril Dr #6, Diamond Bar, CA 91765
3D WALKTHROUGH
$1,150,000
4 beds3 baths1,747 sq ft
1036 Cogburn Ln, Diamond Bar, CA 91765
$1,499,900
4 beds2.5 baths2,344 sq ft
23450 Amberwick Pl, Diamond Bar, CA 91765
RE/MAX 2000 REALTY
OPEN TUE, 5PM TO 7PM
$1,424,998
5 beds3 baths3,203 sq ft
24222 Brookwood Dr, Diamond Bar, CA 91765
Rubio Real Estate
COMING SOON
$1,198,000
4 beds3 baths1,829 sq ft
21116 Silver Cloud, Diamond Bar, CA 91765
$770,000
2 beds2.5 baths1,468 sq ft
22915 Colombard Ln #2, Diamond Bar, CA 91765
$479,000
2 beds2 baths940 sq ft
22857 Hilton Head, Diamond Bar, CA 91765
$1,199,900
4 beds4 baths1,810 sq ft
21325 Hipass Dr, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 23700 RIDGE LINE Rd

Year

Property tax

Land + Additions

Assessment*

2025

$16,731 (+5.8%)

$788,179 + $513,713

$1,301,892

2024

$15,815 (+2.8%)

$788,179 + $513,713

$1,301,892

2023

$15,390 (−18.3%)

$772,725 + $503,641

$1,276,366

2022

$18,837 (+27.8%)

$757,574 + $493,766

$1,251,340

2021

$14,742 (+1.3%)

$871,351 + $687,539

$1,558,890

2020

$14,554 (+1.9%)

$728,157 + $474,593

$1,202,750

2019

$14,277 (+4.1%)

$720,691 + $469,727

$1,190,418

2018

$13,715 (+4.8%)

$706,560 + $460,517

$1,167,077

2017

$13,088 (+3.2%)

$679,124 + $442,636

$1,121,760

2016

$12,688 (−0.6%)

$679,124 + $442,636

$1,121,760

2015

$12,768 (−0.4%)

$665,808 + $433,957

$1,099,765

2014

$12,820 (+1.0%)

$642,961 + $419,067

$1,062,028

2012

$12,697 (+2.9%)

$640,056 + $417,174

$1,057,230

2011

$12,339 (+0.7%)

$627,506 + $408,995

$1,036,501

2010

$12,253 (+0.2%)

$615,202 + $400,976

$1,016,178

2009

$12,234 (+2.6%)

$610,605 + $397,980

$1,008,585

2008

$11,924

$612,056 + $398,926

$1,010,982

Tax history for 23700 RIDGE LINE Rd

Year

Property tax

Land + Additions

Assessment*

2025

$16,731 (+5.8%)

$788,179 + $513,713

$1,301,892

2024

$15,815 (+2.8%)

$788,179 + $513,713

$1,301,892

2023

$15,390 (−18.3%)

$772,725 + $503,641

$1,276,366

2022

$18,837 (+27.8%)

$757,574 + $493,766

$1,251,340

2021

$14,742 (+1.3%)

$871,351 + $687,539

$1,558,890

2020

$14,554 (+1.9%)

$728,157 + $474,593

$1,202,750

2019

$14,277 (+4.1%)

$720,691 + $469,727

$1,190,418

2018

$13,715 (+4.8%)

$706,560 + $460,517

$1,167,077

2017

$13,088 (+3.2%)

$679,124 + $442,636

$1,121,760

2016

$12,688 (−0.6%)

$679,124 + $442,636

$1,121,760

2015

$12,768 (−0.4%)

$665,808 + $433,957

$1,099,765

2014

$12,820 (+1.0%)

$642,961 + $419,067

$1,062,028

2012

$12,697 (+2.9%)

$640,056 + $417,174

$1,057,230

2011

$12,339 (+0.7%)

$627,506 + $408,995

$1,036,501

2010

$12,253 (+0.2%)

$615,202 + $400,976

$1,016,178

2009

$12,234 (+2.6%)

$610,605 + $397,980

$1,008,585

2008

$11,924

$612,056 + $398,926

$1,010,982

*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

1.53 Acres

Year renovated

1978

Sq. Ft.

4,624

Year built

1978

Style

Single Family Residential

County

Los Angeles County

APN

8713032013

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 30, 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
Individual Room

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

Cooling Information
Central
Has Cooling

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

Fireplace Information
Family Room, Gas, Living Room, Wood
Has Fireplace

Flooring Information
Carpet, Tile

Heating Information
Forced Air
Has Heating

Interior Features
Double Door Entry
Wet Bar
Levels: Two
Window Features: Custom Covering, Garden Window, Stained Glass

Exterior

Exterior Information
Roof: Concrete, Tile
Fencing: Wood
Has Fence

Exterior Features
TV Antenna
Patio And Porch Features: See Remarks
Has Patio
Pool Features: None
Has Sprinklers

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Horse Property Improved, Horse Property, Lot-Level/Flat, Lot Over 40000 Sqft, Sprinklers In Front, Sprinklers In Rear, Sprinklers On Side, Sprinklers Timer, Yard

Property Information
Living Area Source: Assessor's Data
Parcel Number: 8713032013
Property Condition: Termite Clearance
Has View

Financial

Assesments Information
Assessments: Special Assessments

Utilities

Utilities Information
Sewer: Sewer Paid
Cable Available, Sewer Connected
Water Source: District/Public

Location

Multi-Unit Information
Builder Model: THE COUNTRY

Homeowners Association
Association Fee: $160
Association Amenities: Club House, Pool, Tennis

Neighborhood Information
Community Features: Curbs, Sidewalks

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.98955800
Longitude: -117.80697700
Other Subdivision Name: THE COUNTRY
Subdivision Name: THE COUNTRY
Zoning: R1

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 4,624
Stories: —
Lot Size: 1.53 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1978
County: Los Angeles County
APN: 8713032013

Home facts updated by county records on Aug 30, 2026

Other

Miscellaneous Information
Exclusions: MATCHING DRAPERIES IN LR/DINING/MBR RESERVED. BRAND NEW TILE ROOF

Listing Information
Days Active in MLS: 136
Continuous Days Active in MLS: 136

Listing Agent Information
List Agent First Name: Diana
List Agent Last Name: CHENG

Listing Office Information
List Office Name: RE/MAX REALTY-100

Selling Agent Information
Buyer Agent First Name: Diana
Buyer Agent Last Name: CHENG

Selling Office Information
Buyer Office Name: RE/MAX REALTY-100

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 • 1.9mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

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

5/10 Fire Factor

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

5/10 Heat Factor

3 days above 97° expected this year, 9 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

$2.31M – $2.80M

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Nearby similar homes

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New listings for sale in 91765

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NEW 21 HRS AGO

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$818,800

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22935 Estoril Dr #6, Diamond Bar, CA 91765

3D WALKTHROUGH

$1,150,000

4 beds3 baths1,747 sq ft

1036 Cogburn Ln, Diamond Bar, CA 91765

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RE/MAX 2000 REALTY

OPEN TUE, 5PM TO 7PM

$1,424,998

5 beds3 baths3,203 sq ft

24222 Brookwood Dr, Diamond Bar, CA 91765

Rubio Real Estate

COMING SOON

$1,198,000

4 beds3 baths1,829 sq ft

21116 Silver Cloud, Diamond Bar, CA 91765

$770,000

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22915 Colombard Ln #2, Diamond Bar, CA 91765

$479,000

2 beds2 baths940 sq ft

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Home values near 23700 RIDGE LINE Rd

Data from public records.

Address	Redfin Estimate
23531 Ridge Line Road, Diamond Bar, CA 4 Beds \| 3.5 Baths \| 4000 Sq. Ft.	$2,776,259
23707 Ridge Line Road, Diamond Bar, CA 6 Beds \| 7 Baths \| 6823 Sq. Ft.	$3,492,912

Address	Redfin Estimate
23605 Ridge Line Road, Diamond Bar, CA 7 Beds \| 6 Baths \| 5852 Sq. Ft.	$3,144,963
23719 Ridge Line Road, Diamond Bar, CA 5 Beds \| 4.5 Baths \| 6000 Sq. Ft.	$3,829,133

Address	Redfin Estimate
23621 Ridge Line Road, Diamond Bar, CA 5 Beds \| - Baths \| 5184 Sq. Ft.	$2,568,690
23735 Ridge Line Road, Diamond Bar, CA 6 Beds \| 8.5 Baths \| 9840 Sq. Ft.	$6,246,247

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

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