21647 HIGH BLUFF Rd, Diamond Bar, CA 91765

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Off Market Feb 2007 for $975K

$1,718,469

Est. refi paymentEst. refi $5,965/mo

•

— ba

•

2,976

sq ft

21647 HIGH BLUFF Rd, Diamond Bar, CA 91765

About this home

UPGRADED & RENOVATED 5 BDRMS ESTATE, VAULTED CEILINGS, POOL/SPA ON 4.7 ACRES. BUILT FOR ENTERTAINMENT & PRIVACY W/ SPECTACULAR MOUNTAIN/CITY VIEWS. NEIGHBORING THE 'COUNTRY', NO NEIGHBORS ON 3 SIDES. BONUS IS 5TH BR, FORMAL LIVING RM, DINING RM, FAMILY RM W/ FP, BREAKFAST RM, LAUNDRY RM. OAK CABINET KITCHEN W/ ISLAND, 2 D/W, 2 STOVES, 2 SINKS, DOUBLE OVEN, SUBZERO FRIDGE INCLUDED. LARGE PATIO OFF MASTER SUITE. LANDSCAPED W/ FRESH PAINT IN/OUT, NEW ROOF. SUBMIT ALL OFFERS. WON'T LAST!

Single-familyProperty Type

1978Year Built

4.77 acresLot Size

$577Est. Price/Sq.Ft.

3 car garageParking

Listed by Haissam Sadek •DRE #01428525 • Cedar Tree Realty

Bought with Out of Area Out of Area • Out of Area

Redfin checked: 2 minutes ago

•Source:CRMLS #S464492

Redfin Estimate

$1,718,469

$743K since sold in February 2007$0 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 15.7% higher than the average sale price ($1.49M) of 6 comparable homes.

SOLD MAY 28, 2026
$1,505,000
A
4 beds3 baths2,712 sq ft
3249 Hawkwood Rd, Diamond Bar, CA 91765
SOLD AUG 21, 2026
$1,680,000
B
5 beds3 baths3,006 sq ft
21642 High Bluff Rd, Diamond Bar, CA 91765
Century 21 Masters
SOLD MAY 27, 2026
$1,455,000
C
5 beds3 baths2,655 sq ft
1554 Deerfoot, Diamond Bar, CA 91765
SOLD APR 28, 2026
$1,400,000
D
4 beds3 baths2,688 sq ft
2618 Rocky Trail Rd, Diamond Bar, CA 91765
SOLD MAR 13, 2026
$1,670,000
E
4 beds3 baths3,263 sq ft
22138 Rim Fire Ln, Diamond Bar, CA 91765
SOLD JUL 9, 2026
$1,200,000
F
7 beds3 baths3,165 sq ft
3177 Hawkwood, Diamond Bar, CA 91765

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Earn from this home

Sell

$1,245,302

Est. take-home

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Refinance

Est. cash available

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Rent

$4,207/mo

Redfin rental estimate

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Market trends in 91765, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.1%

0.2% MoM

Median sale price

$1.1M

$48K MoM

Avg. days on market

42d

0 days MoM

Recently sold homes

108

17 MoM

New listings for sale

OPEN SAT, 12PM TO 4PM
$1,680,000
5 beds4 baths3,100 sq ft
20949 Ambushers St, Diamond Bar, CA 91765
OPEN SAT, 11AM TO 2PM
$946,000
3 beds4 baths1,700 sq ft
3199 Marigold, Diamond Bar, CA 91765
$1,195,000
3 beds2.5 baths2,031 sq ft
24237 Seagreen Dr, Diamond Bar, CA 91765
$1,350,000
5 beds3 baths2,585 sq ft
24435 Nan Ct, Diamond Bar, CA 91765
COMING SOON
$585,000
2 beds2.5 baths1,012 sq ft
1109 Golden Springs Dr Unit D, Diamond Bar, CA 91765
$1,578,000
4 beds3 baths3,212 sq ft
3315 Hawkwood, Diamond Bar, CA 91765
First Team Real Estate
$5,380,000
6 beds7 baths9,038 sq ft
2828 Water Course Dr, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 3PM
$1,199,999
4 beds2.5 baths1,915 sq ft
23308 Quail Smt, Diamond Bar, CA 91765
$818,800
3 beds3 baths1,570 sq ft
22935 Estoril Dr #6, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 3PM
$1,690,000
4 beds3 baths2,587 sq ft
1515 Sunbluff Dr, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 21647 HIGH BLUFF Rd

Year

Property tax

Land + Additions

Assessment*

2025

$17,310 (+5.1%)

$535,906 + $791,883

$1,327,789

2024

$16,463 (+2.7%)

$535,906 + $791,883

$1,327,789

2023

$16,031 (+2.3%)

$525,399 + $776,356

$1,301,755

2022

$15,668 (+1.8%)

$515,098 + $761,134

$1,276,232

2021

$15,390 (+1.2%)

$504,999 + $746,210

$1,251,209

2020

$15,203 (+1.9%)

$495,098 + $731,579

$1,226,677

2019

$14,920 (+5.5%)

$490,022 + $724,078

$1,214,100

2018

$14,139 (+4.7%)

$480,414 + $709,881

$1,190,295

2017

$13,504 (+4.5%)

$461,760 + $682,316

$1,144,076

2016

$12,922 (+1.2%)

$461,760 + $682,316

$1,144,076

2015

$12,768 (+6.2%)

$452,706 + $650,768

$1,103,474

2014

$12,023 (+11.4%)

$400,000 + $575,000

$975,000

2012

$10,797 (−13.4%)

$349,000 + $502,000

$851,000

2011

$12,467 (+21.3%)

$351,100 + $504,500

$855,600

2010

$10,276 (+15.0%)

$414,400 + $595,700

$1,010,100

2009

$8,932 (−12.1%)

$336,100 + $483,100

$819,200

2008

$10,156

$289,400 + $416,000

$705,400

Tax history for 21647 HIGH BLUFF Rd

Year

Property tax

Land + Additions

Assessment*

2025

$17,310 (+5.1%)

$535,906 + $791,883

$1,327,789

2024

$16,463 (+2.7%)

$535,906 + $791,883

$1,327,789

2023

$16,031 (+2.3%)

$525,399 + $776,356

$1,301,755

2022

$15,668 (+1.8%)

$515,098 + $761,134

$1,276,232

2021

$15,390 (+1.2%)

$504,999 + $746,210

$1,251,209

2020

$15,203 (+1.9%)

$495,098 + $731,579

$1,226,677

2019

$14,920 (+5.5%)

$490,022 + $724,078

$1,214,100

2018

$14,139 (+4.7%)

$480,414 + $709,881

$1,190,295

2017

$13,504 (+4.5%)

$461,760 + $682,316

$1,144,076

2016

$12,922 (+1.2%)

$461,760 + $682,316

$1,144,076

2015

$12,768 (+6.2%)

$452,706 + $650,768

$1,103,474

2014

$12,023 (+11.4%)

$400,000 + $575,000

$975,000

2012

$10,797 (−13.4%)

$349,000 + $502,000

$851,000

2011

$12,467 (+21.3%)

$351,100 + $504,500

$855,600

2010

$10,276 (+15.0%)

$414,400 + $595,700

$1,010,100

2009

$8,932 (−12.1%)

$336,100 + $483,100

$819,200

2008

$10,156

$289,400 + $416,000

$705,400

*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

4.87 Acres

Year renovated

1978

Sq. Ft.

3,005

Year built

1978

Style

Single Family Residential

County

Los Angeles County

APN

8714008023

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
Driveway, Garage Door Opener
Has Parking

Interior

Laundry Information
Inside

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

Cooling Information
Central
Has Cooling

Room Information
Family Room, Living Room, Walk-In Closet

Fireplace Information
Electric, Family Room, Wood
Has Fireplace

Heating Information
Forced Air
Has Heating

Interior Features
Levels: Two
Spa Features: Private
Has Spa

Exterior

Exterior Information
Roof: Concrete, Tile

Foundation Information
Foundation Details: Concrete Slab

Exterior Features
Pool Features: Private
Has Pool
Has Sprinklers

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Sprinklers Timer

Property Information
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8714008023
Has View

Utilities

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

Location

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.96407900
Longitude: -117.83665000
Other Subdivision Name: Other
Subdivision Name: Other

Public facts

Beds: 5
Baths: 3.0
Sq. Ft.: 3,005
Stories: —
Lot Size: 4.87 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1978
County: Los Angeles County
APN: 8714008023

Home facts updated by county records on Aug 30, 2026

Other

Miscellaneous Information
Lease Considered

Listing Information
Days Active in MLS: 1
Continuous Days Active in MLS: 1

Listing Agent Information
List Agent First Name: Haissam
List Agent Last Name: Sadek

Listing Office Information
List Office Name: Cedar Tree Realty

Selling Agent Information
Buyer Agent First Name: Out of Area
Buyer Agent Last Name: Out of Area

Selling Office Information
Buyer Office Name: Out of Area

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.8mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 2.1mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 1.3mi

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

7% chance of being in a wildfire in next 30 years

5/10 Heat Factor

5 days above 98° expected this year, 14 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 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.63M – $1.98M

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New listings for sale in 91765

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Home values near 21647 HIGH BLUFF Rd

Data from public records.

Address	Redfin Estimate
21613 High Bluff Road, Diamond Bar, CA 3 Beds \| - Baths \| 2796 Sq. Ft.	$1,426,947
21631 High Bluff Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 2712 Sq. Ft.	$1,514,425

Address	Redfin Estimate
21619 High Bluff Road, Diamond Bar, CA 4 Beds \| - Baths \| 2912 Sq. Ft.	$1,527,072
21632 High Bluff Road, Diamond Bar, CA 5 Beds \| 3 Baths \| 2697 Sq. Ft.	$1,608,828

Address	Redfin Estimate
21625 High Bluff Road, Diamond Bar, CA 3 Beds \| 3 Baths \| 2378 Sq. Ft.	$1,391,082
21624 High Bluff Road, Diamond Bar, CA 4 Beds \| 3 Baths \| 3000 Sq. Ft.	$1,604,833

Property information provided by CRMLS when last listed in 2006. This data may not match . Learn more.

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