Off market aug 2000 for $275K

$1,087,504

Est. refi paymentEst. refi $1,301/mo

•

— ba

•

1,947

sq ft

21045 RIEGO Dr, Diamond Bar, CA 91765

About this home

Single-familyProperty Type

1979Year Built

6,674 sq ftLot Size

$559Est. Price/Sq.Ft.

3 car garageParking

Listed by Betty Pequet •DRE #00520724 • Prudential Calif Realty

Bought with Outofarea Outofarea •DRE #88888888

Redfin checked: 2 minutes ago

•Source:CRMLS #S218096

Redfin Estimate

$1,087,504

$813K since sold in August 2000$39K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.3% lower than the average sale price ($1.21M) of 6 comparable homes.

SOLD AUG 6, 2026
$1,155,000
A
4 beds3 baths1,886 sq ft
20105 Prosa Ct, Walnut, CA 91789
SOLD MAY 14, 2026
$1,330,000
B
4 beds3 baths2,037 sq ft
3357 Bent Twig, Diamond Bar, CA 91765
SOLD SEP 24, 2026
$1,035,000
C
4 beds2.5 baths1,980 sq ft
20111 Divino Dr, Walnut, CA 91789
SOLD AUG 19, 2026
$1,238,888
D
4 beds2 baths2,000 sq ft
20995 Glenbrook Dr, Walnut, CA 91789
SOLD MAY 13, 2026
$1,250,000
E
4 beds3 baths2,150 sq ft
20899 Starshine, Walnut, CA 91789
SOLD SEP 4, 2026
$1,265,000
F
4 beds2.5 baths2,640 sq ft
3106 Cherrydale, Diamond Bar, CA 91765
New Star Realty & Inv.

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Earn from this home

Sell

$983,504

Est. take-home

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Refinance

Est. cash available

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Rent

$3,585/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

97.8%

0.8% MoM

Median sale price

$1.1M

$12K MoM

Avg. days on market

61d

18 days MoM

Recently sold homes

3 MoM

New listings for sale

OPEN NOV 6, 10AM TO 2PM
$899,000
4 beds3 baths1,760 sq ft
340 Ballena, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 4PM
$1,249,000
5 beds3 baths2,732 sq ft
23836 Minnequa Dr, Diamond Bar, CA 91765
OPEN SAT, 1PM TO 4PM
$1,099,900
4 beds3 baths1,907 sq ft
305 N Prospectors Rd, Diamond Bar, CA 91765
$370,000
1 bed1 bath827 sq ft
356 S Prospectors #83, Diamond Bar, CA 91765
$948,888
3 beds3 baths2,082 sq ft
24127 Willow Crk, Diamond Bar, CA 91765
OPEN SAT, 12PM TO 3PM
$878,000
4 beds2 baths1,540 sq ft
23718 Meadow Fls, Diamond Bar, CA 91765
COMING SOON
$1,450,000
3 beds3.5 baths2,716 sq ft
23843 Gold Rush Dr, Diamond Bar, CA 91765
$849,900
3 beds2 baths1,553 sq ft
22709 Dry Creek Rd, Diamond Bar, CA 91765
$949,888
3 beds2 baths1,535 sq ft
1936 Ano Nuevo, Diamond Bar, CA 91765
OPEN SUN, 1PM TO 4PM
$750,000
4 beds3 baths1,619 sq ft
2119 Dublin Ln #2, Diamond Bar, CA 91765
See all

Provided by Redfin

Sale history for 21045 RIEGO Dr

Year

Property tax

Land + Additions

Assessment*

2025

$5,608 (+5.6%)

$244,521 + $178,121

$422,642

2024

$5,313 (+2.4%)

$239,727 + $174,629

$414,356

2023

$5,190 (+2.2%)

$235,027 + $171,205

$406,232

2022

$5,081 (+2.0%)

$230,419 + $167,849

$398,268

2021

$4,981 (+1.3%)

$225,901 + $164,558

$390,459

2020

$4,919 (+1.9%)

$221,472 + $161,332

$382,804

2019

$4,826 (+5.5%)

$219,202 + $159,678

$378,880

2018

$4,573 (+4.7%)

$214,904 + $156,548

$371,452

2017

$4,369 (+3.3%)

$206,560 + $150,470

$357,030

2016

$4,231 (−0.5%)

$206,560 + $150,470

$357,030

2015

$4,254 (−0.1%)

$202,510 + $147,520

$350,030

2014

$4,260 (+1.3%)

$195,562 + $142,459

$338,021

2012

$4,207 (+3.0%)

$194,679 + $141,816

$336,495

2011

$4,085 (−26.2%)

$190,862 + $139,036

$329,898

2010

$5,533 (+37.2%)

$187,120 + $136,310

$323,430

2009

$4,033 (+2.9%)

$315,000 + $135,000

$450,000

2008

$3,920

$186,164 + $135,614

$321,778

Tax history for 21045 RIEGO Dr

Year

Property tax

Land + Additions

Assessment*

2025

$5,608 (+5.6%)

$244,521 + $178,121

$422,642

2024

$5,313 (+2.4%)

$239,727 + $174,629

$414,356

2023

$5,190 (+2.2%)

$235,027 + $171,205

$406,232

2022

$5,081 (+2.0%)

$230,419 + $167,849

$398,268

2021

$4,981 (+1.3%)

$225,901 + $164,558

$390,459

2020

$4,919 (+1.9%)

$221,472 + $161,332

$382,804

2019

$4,826 (+5.5%)

$219,202 + $159,678

$378,880

2018

$4,573 (+4.7%)

$214,904 + $156,548

$371,452

2017

$4,369 (+3.3%)

$206,560 + $150,470

$357,030

2016

$4,231 (−0.5%)

$206,560 + $150,470

$357,030

2015

$4,254 (−0.1%)

$202,510 + $147,520

$350,030

2014

$4,260 (+1.3%)

$195,562 + $142,459

$338,021

2012

$4,207 (+3.0%)

$194,679 + $141,816

$336,495

2011

$4,085 (−26.2%)

$190,862 + $139,036

$329,898

2010

$5,533 (+37.2%)

$187,120 + $136,310

$323,430

2009

$4,033 (+2.9%)

$315,000 + $135,000

$450,000

2008

$3,920

$186,164 + $135,614

$321,778

*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

6,759 Sq. Ft.

Year renovated

1979

Sq. Ft.

1,947

Year built

1979

Style

Single Family Residential

County

Los Angeles County

APN

8765012008

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 7, 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

Property details

Parking

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

Interior

Laundry Information
In Garage

Kitchen Information
Appliances: Built-In, Dishwasher, Gas Cooking, Garbage Disposal, Range
Has Appliances
Breakfast Counter / Bar, Family Kitchen

Cooling Information
Central
Has Cooling

Room Information
Family Room, Living Room, Main Floor Bedroom, Primary Suite, Separate Family Room

Fireplace Information
Electric, Living Room, Wood
Has Fireplace

Flooring Information
Carpet, Tile, Vinyl

Heating Information
Forced Air
Has Heating

Interior Features
Cathedral-Vaulted Ceilings
Levels: Two
Window Features: Blinds, Bay Window, Custom Covering

Exterior

Exterior Information
Roof: Tile
Other Structures: Greenhouse
Fencing: Blockwall
Has Fence

Exterior Features
Patio And Porch Features: Covered, Concrete, See Remarks
Has Patio
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Cul-De-Sac, Lot-Level/Flat, Yard

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Public Records
Parcel Number: 8765012008

Utilities

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

Location

Multi-Unit Information
# of Units In Community: 1
Builder Model: Buckingham

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.97345000
Longitude: -117.84617000
Other Subdivision Name: Kingsgate
Subdivision Name: Other (OTHR)
Zoning: R

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 1,947
Stories: —
Lot Size: 6,759 square feet
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1979
County: Los Angeles County
APN: 8765012008

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 9
Continuous Days Active in MLS: 9

Listing Agent Information
List Agent First Name: Betty
List Agent Last Name: Pequet

Listing Office Information
List Office Name: The Summit Real Esta

Selling Agent Information
Buyer Agent First Name: Outofarea
Buyer Agent Last Name: Outofarea

Selling Office Information
Buyer Office Name: Out Of Area

Around this home

Schools

Castle Rock Elementary School

Public K-5 • Assigned • 0.2mi

10/10

South Pointe Middle School

Public 6-8 • Assigned • 1.3mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 0.7mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The Diamond Bar market is shifting, creating new opportunities for both buyers and sellers. Buyers have a bit more negotiating room, while well-priced, well-maintained homes can still attract strong interest. If you’re considering a move, I’d be...
6 hours ago • Diamond Bar
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123 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

5% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 98° expected this year, 21 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

$1.03M – $1.25M

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New listings for sale in 91765

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OPEN SAT, 1PM TO 4PM3D WALKTHROUGH

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OPEN SAT, 1PM TO 4PM

$1,099,900

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305 N Prospectors Rd, Diamond Bar, CA 91765

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$370,000

1 bed1 bath827 sq ft

356 S Prospectors #83, Diamond Bar, CA 91765

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$948,888

3 beds3 baths2,082 sq ft

24127 Willow Crk, Diamond Bar, CA 91765

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OPEN SAT, 12PM TO 3PMVIDEO TOUR

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23718 Meadow Fls, Diamond Bar, CA 91765

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COMING SOON

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3 beds3.5 baths2,716 sq ft

23843 Gold Rush Dr, Diamond Bar, CA 91765

Remodeled kitchen • Infinity edge pool • Attached spa

$849,900

3 beds2 baths1,553 sq ft

22709 Dry Creek Rd, Diamond Bar, CA 91765

Living area • Open kitchen • Breakfast bar

$949,888

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1936 Ano Nuevo, Diamond Bar, CA 91765

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Home values near 21045 RIEGO Dr

Data from public records.

Address	Redfin Estimate
21035 Riego Dr, Diamond Bar, CA 4 Beds \| 3 Baths \| 1949 Sq. Ft.	$1,101,674
21040 Riego Dr, Diamond Bar, CA 4 Beds \| 3 Baths \| 2325 Sq. Ft.	$1,108,246

Address	Redfin Estimate
21055 Riego Dr, Diamond Bar, CA 4 Beds \| 3 Baths \| 2325 Sq. Ft.	$988,221
21030 Riego Dr, Diamond Bar, CA 5 Beds \| 3 Baths \| 2157 Sq. Ft.	$1,496,683

Address	Redfin Estimate
21050 Riego Dr, Diamond Bar, CA 4 Beds \| 2 Baths \| 1892 Sq. Ft.	$840,549
21020 Riego Dr, Diamond Bar, CA 4 Beds \| 3 Baths \| 2325 Sq. Ft.	$1,249,483

Property information provided by CRMLS when last listed in 2000. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91765, CA

Sale history for 21045 RIEGO Dr

Tax history for 21045 RIEGO Dr

Public record

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91765

Home values near 21045 RIEGO Dr

More real estate resources