Google street view image for 20447 Starshine Rd, Walnut, CA 91789

Off Market Feb 1998 for $270K

$1,321,390

Est. refi paymentEst. refi $1,913/mo

•

3 ba

•

2,265

sq ft

20447 Starshine Rd, Walnut, CA 91789

About this home

20447 Starshine Rd is a 2,265 square foot house on a 8,703 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on February 26, 1998 for $270,000. Based on Redfin's Walnut data, we estimate the home's value is $1,321,390.

Single-familyProperty Type

1974Year Built

8,703 sq ftLot Size

$583Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,321,390

$1.1M since sold in February 1998$2,000 since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.3% higher than the average sale price ($1.30M) of 6 comparable homes.

SOLD JUN 26, 2026
$1,100,000
A
4 beds2.5 baths2,265 sq ft
20512 Starshine, Walnut, CA 91789
SOLD APR 17, 2026
$1,488,000
B
4 beds3 baths2,426 sq ft
20573 Missionary Ridge St, Walnut, CA 91789
SOLD JAN 2, 2026
$1,260,000
C
4 beds3 baths1,913 sq ft
20146 Donway Dr, Walnut, CA 91789
SOLD FEB 10, 2026
$1,220,000
D
4 beds3 baths2,294 sq ft
1419 Honeyhill Dr, Diamond Bar, CA 91789
SOLD JUN 30, 2026
$1,600,000
E
4 beds3 baths2,615 sq ft
20139 Lake Canyon Dr, Walnut, CA 91789
SOLD AUG 6, 2026
$1,155,000
F
4 beds3 baths1,886 sq ft
20105 Prosa Ct, Walnut, CA 91789

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Earn from this home

Sell

$1,229,725

Est. take-home

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Est. cash available

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Rent

$4,230/mo

Redfin rental estimate

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Market trends in 91789, CA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.2%

+0.0% MoM

Median sale price

$1.2M

$23K MoM

Avg. days on market

33d

13 days MoM

Recently sold homes

1 MoM

New listings for sale

NEW 11 HRS AGO
$950,000
5 beds4 baths1,918 sq ft
20316 Flintgate, Diamond Bar, CA 91789
COMING SOON
$1,298,880
4 beds2.5 baths2,074 sq ft
1310 Heidelberg Ave, Walnut, CA 91789
OPEN SUN, 2:30PM TO 5:30PM
$1,350,000
5 beds4 baths2,446 sq ft
20122 Evening Breeze, Walnut, CA 91789
COMING SOON
$1,480,000
4 beds3 baths2,479 sq ft
357 Windemere, Walnut, CA 91789
COMING SOON
$1,260,000
4 beds3 baths2,028 sq ft
1123 Bain Ave, Diamond Bar, CA 91789
$1,129,000
4 beds2.5 baths1,752 sq ft
19200 Kamlyn Ln, Walnut, CA 91789
OPEN SAT, 1PM TO 4:30PM
$1,150,000
4 beds2.5 baths2,046 sq ft
19320 EUREKA RIVER Pl, Walnut, CA 91789
$1,400,000
6 beds3 baths3,000 sq ft
20548 Missionary Rdg, Walnut, CA 91789
OPEN THU, 4PM TO 6PM
$1,480,000
4 beds2 baths2,455 sq ft
2016 Peaceful Hills Rd, Diamond Bar, CA 91789
OPEN SUN, 11AM TO 3PM
$1,385,000
4 beds2.5 baths2,265 sq ft
20400 Lake Canyon Dr, Walnut, CA 91789
New Century Realtors
See all

Provided by Redfin

Sale history for 20447 Starshine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,804 (+3.1%)

$229,759 + $201,336

$431,095

2024

$5,628 (+3.4%)

$229,759 + $201,336

$431,095

2023

$5,445 (+2.3%)

$225,254 + $197,389

$422,643

2022

$5,324 (+1.8%)

$220,838 + $193,519

$414,357

2021

$5,228 (+1.3%)

$216,508 + $189,725

$406,233

2020

$5,161 (+1.7%)

$212,263 + $186,005

$398,268

2019

$5,072 (+5.1%)

$210,087 + $184,098

$394,185

2018

$4,826 (+2.1%)

$205,968 + $180,489

$386,457

2017

$4,728 (+2.2%)

$197,971 + $173,481

$371,452

2016

$4,628 (+1.7%)

$197,971 + $173,481

$371,452

2015

$4,552 (+0.2%)

$194,090 + $170,080

$364,170

2014

$4,545 (+5.5%)

$187,431 + $164,245

$351,676

2012

$4,309 (+3.0%)

$186,584 + $163,503

$350,087

2011

$4,182 (+1.0%)

$182,926 + $160,298

$343,224

2010

$4,141 (+2.2%)

$179,340 + $157,155

$336,495

2009

$4,050 (+2.4%)

$178,000 + $155,981

$333,981

2008

$3,957

$178,423 + $156,352

$334,775

Tax history for 20447 Starshine Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,804 (+3.1%)

$229,759 + $201,336

$431,095

2024

$5,628 (+3.4%)

$229,759 + $201,336

$431,095

2023

$5,445 (+2.3%)

$225,254 + $197,389

$422,643

2022

$5,324 (+1.8%)

$220,838 + $193,519

$414,357

2021

$5,228 (+1.3%)

$216,508 + $189,725

$406,233

2020

$5,161 (+1.7%)

$212,263 + $186,005

$398,268

2019

$5,072 (+5.1%)

$210,087 + $184,098

$394,185

2018

$4,826 (+2.1%)

$205,968 + $180,489

$386,457

2017

$4,728 (+2.2%)

$197,971 + $173,481

$371,452

2016

$4,628 (+1.7%)

$197,971 + $173,481

$371,452

2015

$4,552 (+0.2%)

$194,090 + $170,080

$364,170

2014

$4,545 (+5.5%)

$187,431 + $164,245

$351,676

2012

$4,309 (+3.0%)

$186,584 + $163,503

$350,087

2011

$4,182 (+1.0%)

$182,926 + $160,298

$343,224

2010

$4,141 (+2.2%)

$179,340 + $157,155

$336,495

2009

$4,050 (+2.4%)

$178,000 + $155,981

$333,981

2008

$3,957

$178,423 + $156,352

$334,775

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

Permits

Sep 22, 2026 • Active

Express solar roof mount residential with energy storage system - county

Install a new roof-mounted solar photovoltaic system with modules and a battery.

Battery

Electrical

Solar

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central

Exterior

Pool Information
Has Pool

Property Information
Subdivision Name: 27141
Living Sq. Ft: 2,265
# of Units: 1
Legal Description: TRACT NO 27141 LOT 68

Lot Information
# of Buildings: 1
Land Sq. Ft: 8,703
Legal Lot Number: 68
Acres: 0.1998
Zoning Code: LCR18500*
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,265
Stories: —
Lot Size: 8,703 square feet
Style: Single Family Residential
Year Built: 1974
Year Renovated: 1974
County: Los Angeles County
APN: 8764014008

Home facts updated by county records on Jul 9, 2026

Around this home

Schools
Places
Transit

Ybarra Academy For The Arts And Technology

Public K-8 • Assigned • 0.9mi

8/10

John A. Rowland High School

Public 9-12 • Assigned • 1.5mi

8/10

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,...
1 month 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

4/10 Fire Factor

3% chance of being in a wildfire in next 30 years

5/10 Heat Factor

5 days above 99° expected this year, 15 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

$1.26M – $1.52M

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Nearby similar homes

NEW 11 HRS AGO

$950,000

5 beds4 baths1,918 sq ft

20316 Flintgate, Diamond Bar, CA 91789

$1,400,000

6 beds3 baths3,000 sq ft

20548 Missionary Rdg, Walnut, CA 91789

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4 beds2 baths1,996 sq ft

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20505 Missionary Ridge St, Walnut, CA 91789

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4 beds2 baths1,730 sq ft

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New listings for sale in 91789

NEW 11 HRS AGO

$950,000

5 beds4 baths1,918 sq ft

20316 Flintgate, Diamond Bar, CA 91789

COMING SOON

$1,298,880

4 beds2.5 baths2,074 sq ft

1310 Heidelberg Ave, Walnut, CA 91789

OPEN SUN, 2:30PM TO 5:30PM

$1,350,000

5 beds4 baths2,446 sq ft

20122 Evening Breeze, Walnut, CA 91789

COMING SOON

$1,480,000

4 beds3 baths2,479 sq ft

357 Windemere, Walnut, CA 91789

COMING SOON

$1,260,000

4 beds3 baths2,028 sq ft

1123 Bain Ave, Diamond Bar, CA 91789

$1,129,000

4 beds2.5 baths1,752 sq ft

19200 Kamlyn Ln, Walnut, CA 91789

OPEN SAT, 1PM TO 4:30PM

$1,150,000

4 beds2.5 baths2,046 sq ft

19320 EUREKA RIVER Pl, Walnut, CA 91789

$1,400,000

6 beds3 baths3,000 sq ft

20548 Missionary Rdg, Walnut, CA 91789

OPEN THU, 4PM TO 6PM3D WALKTHROUGH

$1,480,000

4 beds2 baths2,455 sq ft

2016 Peaceful Hills Rd, Diamond Bar, CA 91789

Home values near 20447 Starshine Rd

Data from public records.

Address	Redfin Estimate
20537 Starshine Road, Walnut, CA 3 Beds \| 2 Baths \| 1821 Sq. Ft.	$1,133,739
20435 Starshine Road, Walnut, CA 5 Beds \| 3 Baths \| 2712 Sq. Ft.	$1,257,327

Address	Redfin Estimate
20523 Starshine Road, Walnut, CA 3 Beds \| 2 Baths \| 1599 Sq. Ft.	$1,063,501
20425 Starshine Road, Walnut, CA 5 Beds \| 3 Baths \| 2712 Sq. Ft.	$1,475,335

Address	Redfin Estimate
20509 Starshine Road, Walnut, CA 3 Beds \| 2 Baths \| 1599 Sq. Ft.	$981,788
20415 Starshine Road, Walnut, CA 3 Beds \| - Baths \| 1821 Sq. Ft.	$1,108,290

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