Sold on apr 2026
$1,388,000
5
bd
•
3 ba
•
2,157
sq ft

21030 Riego, Diamond Bar, CA 91765

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About this home

Single-familyProperty Type
1980Year Built
8,312 sq ftLot Size
$643Price/Sq.Ft.
3 car garageParking
Listed by Yingqi Guan •DRE #01989489 • Pacific Sterling Realty
Contact: 626-991-3801
Bought with LYNN DU TRAN •DRE #01035977 • IRN REALTY
Redfin checked: 2 minutes ago
•Source:CRMLS #TR26018437

Redfin Estimate

$1,498,744
$111K since sold in April 2026$36K since September

This home's estimate is 17.6% higher than the average sale price ($1.27M) of 5 comparable homes.

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Market trends in 91765, CA

Homeowner tools

Sale and tax history for 21030 Riego

Public record

Beds
4
Baths
2
Stories
—
Lot width
—
Lot depth
—
Lot size
8,312 Sq. Ft.
Year renovated
1980
Sq. Ft.
1,892
Year built
1980
Style
Single Family Residential
County
Los Angeles County
APN
8765013018
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 7, 2026.

Property details

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

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)
68
50
71
52
73
53
72
53
76
57
81
60
86
63
89
65
85
65
80
59
71
52
69
51
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

78/ 100

Good sunlight

Sunscore

This home receives average direct sun exposure in Diamond Bar. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

8.5 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.42M – $1.72M

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Property information provided by CRMLS when last listed in 2026. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.