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Off Market Jun 2015 for $798K

$1,294,119

Est. refi paymentEst. refi $3,037/mo

•

2,100

sq ft

20850 Starshine Rd, Walnut, CA 91789

About this home

Beautiful home in the desirable peaceful hills area. Belong and walk to evergreen elementary, S. pointe middle school and diamond bar high school. Ronald Regan park and Starshine Park steps away. Very neat and cozy condition with open floor plan. 4 large bedrooms and 3 bathrooms with 1 bedroom and 1 bathroom downstairs. upgraded flooring, kitchen cabinets, counter tops and recess lightning. Custom window covering. balcony to view the mountains. Red tile roof. 3 car attached garage. Cross street of Starshine Park. Convenient location to 57 and 60 fwy and most quietest area in S. Diamond Bar.

Single-familyProperty Type

1983Year Built

8,179 sq ftLot Size

$616Est. Price/Sq.Ft.

3 car garageParking

Listed by Cathy Cheng •DRE #01270713 • ReMax 2000 Realty

Bought with Julie Hwang •DRE #01303658 • New Star Realty & Inv.

Redfin checked: 3 minutes ago

•Source:CRMLS #TR15084240

Redfin Estimate

$1,294,119

$496K since sold in June 2015$14K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.4% lower than the average sale price ($1.31M) of 6 comparable homes.

SOLD MAY 13, 2026
$1,250,000
A
4 beds3 baths2,150 sq ft
20899 Starshine, Walnut, CA 91789
SOLD APR 1, 2026
$1,390,000
B
4 beds3 baths2,781 sq ft
20885 Starshine, Walnut, CA 91789
SOLD MAY 27, 2026
$1,350,000
C
5 beds3 baths2,186 sq ft
21009 Quail Run, Walnut, CA 91789
SOLD JUL 28, 2026
$1,319,000
D
4 beds2.5 baths2,432 sq ft
1321 Glenthorpe, Walnut, CA 91789
Real Broker
SOLD AUG 19, 2026
$1,238,888
E
4 beds2 baths2,000 sq ft
20995 Glenbrook Dr, Walnut, CA 91789
SOLD MAR 27, 2026
$1,330,000
F
5 beds3 baths2,186 sq ft
20939 Quail Run, Walnut, CA 91789

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Earn from this home

Sell

$742,931

Est. take-home

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Refinance

Est. cash available

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Rent

$4,253/mo

Redfin rental estimate

List your home for rent

Market trends in 91789, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.3%

0.3% MoM

Median sale price

$1.2M

$18K MoM

Avg. days on market

32d

7 days MoM

Recently sold homes

2 MoM

New listings for sale

$1,399,000
4 beds3 baths2,479 sq ft
738 Citadel, Walnut, CA 91789
The Sully Group
$1,459,000
4 beds3 baths2,219 sq ft
108 Magnolia, Walnut, CA 91789
OPEN THU, 12PM TO 3PM
$598,800
3 beds1.5 baths1,136 sq ft
860 Windwood Dr, Walnut, CA 91789
OPEN SAT, 11AM TO 1PM
$2,590,000
4 beds4 baths4,010 sq ft
19708 Prospect, Walnut, CA 91789
RE/MAX Galaxy
$1,239,999
3 beds3 baths1,755 sq ft
20774 Timberline, Walnut, CA 91789
OPEN SAT, 2PM TO 5PM
$1,399,000
4 beds2.5 baths2,265 sq ft
20512 Starshine, Walnut, CA 91789
$829,000
3 beds2 baths1,697 sq ft
1103 Loxley, Walnut, CA 91789
OPEN WED, 2PM TO 5PM
$968,888
4 beds3.5 baths1,830 sq ft
20950 Cornerstone Dr, Walnut, CA 91789
3D WALKTHROUGH
$998,888
3 beds2 baths1,585 sq ft
925 Heaton Moor Dr, Walnut, CA 91789
$1,128,000
4 beds3 baths1,686 sq ft
736 Mustang Cir, Walnut, CA 91789
See all

Provided by Redfin

Sale history for 20850 Starshine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$12,049 (+4.6%)

$507,295 + $451,770

$959,065

2024

$11,519 (+2.5%)

$507,295 + $451,770

$959,065

2023

$11,241 (+2.1%)

$497,349 + $442,912

$940,261

2022

$11,008 (+1.9%)

$487,598 + $434,228

$921,826

2021

$10,807 (+1.3%)

$478,038 + $425,714

$903,752

2020

$10,669 (+2.0%)

$468,665 + $417,367

$886,032

2019

$10,463 (+3.7%)

$463,860 + $413,088

$876,948

2018

$10,085 (+4.8%)

$454,765 + $404,989

$859,754

2017

$9,619 (+2.9%)

$437,107 + $389,264

$826,371

2016

$9,345 (+113.5%)

$437,107 + $389,264

$826,371

2015

$4,377 (−0.2%)

$428,537 + $381,632

$810,169

2014

$4,384 (+1.2%)

$135,068 + $213,353

$348,421

2012

$4,330 (+3.0%)

$134,458 + $212,389

$346,847

2011

$4,205 (+0.8%)

$131,822 + $208,225

$340,047

2010

$4,171 (+0.5%)

$129,238 + $204,143

$333,381

2009

$4,152 (+2.9%)

$128,273 + $202,618

$330,891

2008

$4,036

$128,578 + $203,100

$331,678

Tax history for 20850 Starshine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$12,049 (+4.6%)

$507,295 + $451,770

$959,065

2024

$11,519 (+2.5%)

$507,295 + $451,770

$959,065

2023

$11,241 (+2.1%)

$497,349 + $442,912

$940,261

2022

$11,008 (+1.9%)

$487,598 + $434,228

$921,826

2021

$10,807 (+1.3%)

$478,038 + $425,714

$903,752

2020

$10,669 (+2.0%)

$468,665 + $417,367

$886,032

2019

$10,463 (+3.7%)

$463,860 + $413,088

$876,948

2018

$10,085 (+4.8%)

$454,765 + $404,989

$859,754

2017

$9,619 (+2.9%)

$437,107 + $389,264

$826,371

2016

$9,345 (+113.5%)

$437,107 + $389,264

$826,371

2015

$4,377 (−0.2%)

$428,537 + $381,632

$810,169

2014

$4,384 (+1.2%)

$135,068 + $213,353

$348,421

2012

$4,330 (+3.0%)

$134,458 + $212,389

$346,847

2011

$4,205 (+0.8%)

$131,822 + $208,225

$340,047

2010

$4,171 (+0.5%)

$129,238 + $204,143

$333,381

2009

$4,152 (+2.9%)

$128,273 + $202,618

$330,891

2008

$4,036

$128,578 + $203,100

$331,678

*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

8,181 Sq. Ft.

Year renovated

1983

Sq. Ft.

1,970

Year built

1983

Style

Single Family Residential

County

Los Angeles County

APN

8765003020

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 21, 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
# of Parking Spaces: 3

Interior

Bathroom Information
# of Baths (Full): 3

Cooling Information
Central
Has Cooling

Room Information
Bonus Room, Family Room, Formal Entry, Living Room

Fireplace Information
Family Room, Living Room
Has Fireplace

Heating Information
Forced Air
Has Heating

Interior Features
Levels: Two

Exterior

Exterior Features
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Living Area Source: Seller
Parcel Number: 8765003020
Total # of Stories: 2
Has View
Year Built Source: Assessor

Utilities

Utilities Information
Sewer Available
Water Source: District/Public

Location

Multi-Unit Information
# of Units In Community: 1

Homeowners Association
Is Part of Association
Association Fee: $65
Association Fee Frequency: Monthly

Neighborhood Information
Community Features: Curbs

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.98607600
Longitude: -117.84978400
Road Surface Type: Maintained

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 1,970
Stories: —
Lot Size: 8,181 square feet
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1983
County: Los Angeles County
APN: 8765003020

Home facts updated by county records on Sep 21, 2026

Other

Listing Information
Days Active in MLS: 59
Continuous Days Active in MLS: 63

Listing Agent Information
List Agent First Name: Cathy
List Agent Last Name: Cheng

Listing Office Information
List Office Name: ReMax 2000 Realty

Selling Agent Information
Buyer Agent First Name: Julie
Buyer Agent Last Name: Hwang

Selling Office Information
Buyer Office Name: New Star Realty & Inv.

Around this home

Schools

Evergreen Elementary School

Public K-5 • Assigned • 1.0mi

9/10

Chaparral Middle School

Public 6-8 • Assigned • 1.9mi

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

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

3% 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

Walnut, CA • 91789

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

$1.23M – $1.49M

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3D WALKTHROUGH

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Home values near 20850 Starshine Rd

Data from public records.

Address	Redfin Estimate
20826 Starshine Road, Walnut, CA 4 Beds \| 3 Baths \| 2781 Sq. Ft.	$1,428,415
20844 Starshine Road, Walnut, CA 4 Beds \| - Baths \| 2243 Sq. Ft.	$1,329,986

Address	Redfin Estimate
20832 Starshine Road, Walnut, CA 3 Beds \| 3 Baths \| 2243 Sq. Ft.	$1,423,196
20854 Starshine Road, Walnut, CA 5 Beds \| - Baths \| 3000 Sq. Ft.	$1,431,057

Address	Redfin Estimate
20838 Starshine Road, Walnut, CA 4 Beds \| 3 Baths \| 1970 Sq. Ft.	$1,127,638
20858 Starshine Road, Walnut, CA 4 Beds \| 3 Baths \| 1970 Sq. Ft.	$1,245,816

Property information provided by CRMLS when last listed in 2015. 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 91789, CA

Sale history for 20850 Starshine Rd

Tax history for 20850 Starshine Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91789

Home values near 20850 Starshine Rd

More real estate resources