Google street view image for 20838 Starshine Rd, Walnut, CA 91789

Off Market Nov 1983 for $160K

$1,127,638

Est. refi paymentEst. refi $847/mo

•

3 ba

•

1,970

sq ft

20838 Starshine Rd, Walnut, CA 91789

About this home

20838 Starshine Rd is a 1,970 square foot house on a 7,418 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on November 18, 1983 for $160,000. Based on Redfin's Walnut data, we estimate the home's value is $1,127,638.

Single-familyProperty Type

1983Year Built

7,418 sq ftLot Size

$572Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,127,638

$968K since sold in November 1983$17K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 12.3% lower than the average sale price ($1.29M) of 6 comparable homes.

SOLD MAY 13, 2026
$1,250,000
A
4 beds3 baths2,150 sq ft
20899 Starshine, Walnut, CA 91789
SOLD AUG 19, 2026
$1,238,888
B
4 beds2 baths2,000 sq ft
20995 Glenbrook Dr, Walnut, CA 91789
SOLD AUG 6, 2026
$1,155,000
C
4 beds3 baths1,886 sq ft
20105 Prosa Ct, Walnut, CA 91789
SOLD MAY 27, 2026
$1,350,000
D
5 beds3 baths2,186 sq ft
21009 Quail Run, Walnut, CA 91789
SOLD MAR 27, 2026
$1,330,000
E
5 beds3 baths2,186 sq ft
20939 Quail Run, Walnut, CA 91789
SOLD APR 1, 2026
$1,390,000
F
4 beds3 baths2,781 sq ft
20885 Starshine, Walnut, CA 91789

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Earn from this home

Sell

$1,065,465

Est. take-home

List your home with Redfin and save $5,638

Refinance

Est. cash available

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Rent

$4,171/mo

Redfin rental estimate

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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 TODAY, 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 20838 Starshine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,664 (−29.4%)

$442,161 + $236,806

$678,967

2024

$12,271 (+190.7%)

$442,161 + $236,806

$678,967

2023

$4,221 (+2.2%)

$800,000 + $206,400

$1,006,400

2022

$4,131 (+2.1%)

$65,696 + $252,893

$318,589

2021

$4,046 (+1.3%)

$64,408 + $247,935

$312,343

2020

$3,995 (+1.9%)

$63,146 + $243,074

$306,220

2019

$3,920 (+4.4%)

$62,499 + $240,582

$303,081

2018

$3,753 (+4.6%)

$61,274 + $235,865

$297,139

2017

$3,588 (+3.4%)

$58,896 + $226,707

$285,603

2016

$3,471 (−0.5%)

$58,896 + $226,707

$285,603

2015

$3,488 (−0.2%)

$57,742 + $222,262

$280,004

2014

$3,495 (+1.3%)

$55,761 + $214,636

$270,397

2012

$3,449 (+3.0%)

$55,509 + $213,666

$269,175

2011

$3,349 (+0.9%)

$54,421 + $209,477

$263,898

2010

$3,320 (+0.6%)

$53,354 + $205,370

$258,724

2009

$3,301 (+3.0%)

$52,956 + $203,836

$256,792

2008

$3,206

$53,082 + $204,321

$257,403

Tax history for 20838 Starshine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$8,664 (−29.4%)

$442,161 + $236,806

$678,967

2024

$12,271 (+190.7%)

$442,161 + $236,806

$678,967

2023

$4,221 (+2.2%)

$800,000 + $206,400

$1,006,400

2022

$4,131 (+2.1%)

$65,696 + $252,893

$318,589

2021

$4,046 (+1.3%)

$64,408 + $247,935

$312,343

2020

$3,995 (+1.9%)

$63,146 + $243,074

$306,220

2019

$3,920 (+4.4%)

$62,499 + $240,582

$303,081

2018

$3,753 (+4.6%)

$61,274 + $235,865

$297,139

2017

$3,588 (+3.4%)

$58,896 + $226,707

$285,603

2016

$3,471 (−0.5%)

$58,896 + $226,707

$285,603

2015

$3,488 (−0.2%)

$57,742 + $222,262

$280,004

2014

$3,495 (+1.3%)

$55,761 + $214,636

$270,397

2012

$3,449 (+3.0%)

$55,509 + $213,666

$269,175

2011

$3,349 (+0.9%)

$54,421 + $209,477

$263,898

2010

$3,320 (+0.6%)

$53,354 + $205,370

$258,724

2009

$3,301 (+3.0%)

$52,956 + $203,836

$256,792

2008

$3,206

$53,082 + $204,321

$257,403

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

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

Interior

Heating & Cooling
Heating Type: Central

Exterior

Property Information
Subdivision Name: 35742
Living Sq. Ft: 1,970
# of Units: 1
Legal Description: TR=35742 LOT 40

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,418
Legal Lot Number: 40
Municipality Name: DIAMOND BAR
Acres: 0.1703
Depth Footage: 113
Front Footage: 69
Zoning Code: LCRPD100006U*
County Use Description: SINGLE FAMILY RESID

Location Information
Parcel Location Influence: Corner

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 1,970
Stories: —
Lot Size: 7,418 square feet
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1983
County: Los Angeles County
APN: 8765003018

Home facts updated by county records on Sep 21, 2026

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

4 days above 99° expected this year, 12 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

13 unhealthy days expected this year, 14 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

$1.07M – $1.30M

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3 beds2 baths1,697 sq ft

1103 Loxley, Walnut, CA 91789

OPEN TODAY, 2PM TO 5PM

$968,888

4 beds3.5 baths1,830 sq ft

20950 Cornerstone Dr, Walnut, CA 91789

3D WALKTHROUGH

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Home values near 20838 Starshine Rd

Data from public records.

Address	Redfin Estimate
20816 Starshine Road, Walnut, CA 4 Beds \| 3 Baths \| 2054 Sq. Ft.	$1,287,731
20832 Starshine Road, Walnut, CA 3 Beds \| 3 Baths \| 2243 Sq. Ft.	$1,423,196

Address	Redfin Estimate
20820 Starshine Road, Walnut, CA 3 Beds \| 3 Baths \| 2243 Sq. Ft.	$1,275,723
20844 Starshine Road, Walnut, CA 4 Beds \| - Baths \| 2243 Sq. Ft.	$1,329,986

Address	Redfin Estimate
20826 Starshine Road, Walnut, CA 4 Beds \| 3 Baths \| 2781 Sq. Ft.	$1,428,415
20850 Starshine Road, Walnut, CA 4 Beds \| 3 Baths \| 2100 Sq. Ft.	$1,294,119

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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 20838 Starshine Rd

Tax history for 20838 Starshine Rd

Zoning

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 20838 Starshine Rd

More real estate resources