Google street view image for 20143 Shadow Mountain Rd, Walnut, CA 91789

Off market jun 2017 for $610K

$1,245,537

Est. refi paymentEst. refi $4,401/mo

•

2 ba

•

2,073

sq ft

20143 Shadow Mountain Rd, Walnut, CA 91789

About this home

20143 Shadow Mountain Rd is a 2,073 square foot house on a 0.78 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on June 01, 2017 for $610,000. Based on Redfin's Walnut data, we estimate the home's value is $1,245,537.

Single-familyProperty Type

1965Year Built

0.78 acresLot Size

$601Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,245,537

$636K since sold in June 2017$8,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.1% higher than the average sale price ($1.20M) of 5 comparable homes.

SOLD AUG 18, 2026
$1,200,000
A
4 beds2 baths1,831 sq ft
1602 Chestnut Hl, Walnut, CA 91789
SOLD SEP 24, 2026
$995,000
B
3 beds2 baths1,688 sq ft
20290 E Lorencita, Covina, CA 91724
The Oppenheim Group
SOLD JUN 10, 2026
$1,325,000
C
3 beds2 baths2,028 sq ft
20420 Fuerte, Walnut, CA 91789
SOLD MAY 18, 2026
$1,350,000
D
3 beds2 baths1,703 sq ft
20105 Shadow Mtn, Walnut, CA 91789
SOLD AUG 6, 2026
$1,115,000
E
3 beds2 baths1,672 sq ft
20359 Lake Erie, Walnut, CA 91789

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Earn from this home

Sell

$785,980

Est. take-home

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Refinance

Est. cash available

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Rent

$3,950/mo

Redfin rental estimate

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Market trends in 91789, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

98.8%

0.5% MoM

Median sale price

$1.3M

$21K MoM

Avg. days on market

41d

9 days MoM

Recently sold homes

3 MoM

New listings for sale

$999,000
4 beds2 baths1,753 sq ft
850 Darius, Walnut, CA 91789
OPEN TODAY, 12PM TO 4PM
$985,000
3 beds2 baths1,585 sq ft
19200 Tuttle Creek Pl, Walnut, CA 91789
OPEN TODAY, 12PM TO 3PM
$985,000
4 beds2 baths1,588 sq ft
448 Acaso, Walnut, CA 91789
OPEN TODAY, 1PM TO 3PM
$1,698,000
5 beds2.5 baths2,519 sq ft
20951 Stoddard Wells Rd, Walnut, CA 91789
RE/MAX Galaxy
$425,000
2 beds2 baths1,040 sq ft
835 Francesca Dr #103, Walnut, CA 91789
OPEN TODAY, 10AM TO 1PM
$1,430,000
5 beds2.5 baths2,495 sq ft
19855 Vista Hermosa Dr S, Walnut, CA 91789
OPEN TODAY, 11AM TO 2PM
$1,100,000
3 beds2 baths1,420 sq ft
361 Calle Caballeros, Walnut, CA 91789
OPEN TODAY, 11AM TO 4PM
$2,298,000
5 beds5 baths3,574 sq ft
19779 Arbor Ridge Dr, Walnut, CA 91789
OPEN TODAY, 2PM TO 4PM
$1,200,000
3 beds2.5 baths1,811 sq ft
21138 Valleyview, Walnut, CA 91789
$948,000
4 beds3 baths1,830 sq ft
21010 Cornerstone, Walnut, CA 91789
See all

Provided by Redfin

Sale history for 20143 Shadow Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,540 (+12.5%)

$31,477 + $105,250

$136,727

2024

$2,257 (+4.5%)

$30,860 + $103,201

$134,061

2023

$2,161 (+4.5%)

$30,255 + $101,178

$131,433

2022

$2,067 (+2.5%)

$29,662 + $99,195

$128,857

2021

$2,018 (+1.1%)

$29,081 + $97,250

$126,331

2020

$1,996 (+1.7%)

$28,511 + $95,344

$123,855

2019

$1,962 (−78.1%)

$28,219 + $94,367

$122,586

2018

$8,949 (+403.8%)

$27,666 + $92,517

$120,183

2017

$1,776 (+4.1%)

$26,593 + $88,925

$115,518

2016

$1,707 (−0.3%)

$26,593 + $88,925

$115,518

2015

$1,712 (−1.2%)

$26,072 + $87,182

$113,254

2014

$1,733 (+1.8%)

$25,178 + $84,191

$109,369

2012

$1,702 (+3.0%)

$25,065 + $83,811

$108,876

2011

$1,652 (+1.0%)

$24,574 + $82,168

$106,742

2010

$1,636 (+1.4%)

$24,093 + $80,557

$104,650

2009

$1,613 (+3.2%)

$23,913 + $79,955

$103,868

2008

$1,563

$23,970 + $80,145

$104,115

Tax history for 20143 Shadow Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,540 (+12.5%)

$31,477 + $105,250

$136,727

2024

$2,257 (+4.5%)

$30,860 + $103,201

$134,061

2023

$2,161 (+4.5%)

$30,255 + $101,178

$131,433

2022

$2,067 (+2.5%)

$29,662 + $99,195

$128,857

2021

$2,018 (+1.1%)

$29,081 + $97,250

$126,331

2020

$1,996 (+1.7%)

$28,511 + $95,344

$123,855

2019

$1,962 (−78.1%)

$28,219 + $94,367

$122,586

2018

$8,949 (+403.8%)

$27,666 + $92,517

$120,183

2017

$1,776 (+4.1%)

$26,593 + $88,925

$115,518

2016

$1,707 (−0.3%)

$26,593 + $88,925

$115,518

2015

$1,712 (−1.2%)

$26,072 + $87,182

$113,254

2014

$1,733 (+1.8%)

$25,178 + $84,191

$109,369

2012

$1,702 (+3.0%)

$25,065 + $83,811

$108,876

2011

$1,652 (+1.0%)

$24,574 + $82,168

$106,742

2010

$1,636 (+1.4%)

$24,093 + $80,557

$104,650

2009

$1,613 (+3.2%)

$23,913 + $79,955

$103,868

2008

$1,563

$23,970 + $80,145

$104,115

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

Property details

Interior

Heating & Cooling
Heating Type: Central

Exterior

Pool Information
Has Pool

Property Information
Subdivision Name: 27338
Living Sq. Ft: 2,073
# of Units: 1
Legal Description: TRACT NO 27338 LOT 56

Lot Information
# of Buildings: 1
Land Sq. Ft: 33,919
Legal Lot Number: 56
Municipality Name: WALNUT
Acres: 0.7787
Depth Footage: 340
Front Footage: 102
Zoning Code: WAR18500*
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 2,073
Stories: —
Lot Size: 0.78 acres
Style: Single Family Residential
Year Built: 1965
Year Renovated: 1965
County: Los Angeles County
APN: 8712009009

Home facts updated by county records on Oct 7, 2026

Around this home

Schools

Collegewood Elementary School

Public K-5 • Assigned • 0.4mi

9/10

Suzanne Middle School

Public 6-8 • Assigned • 1.7mi

10/10

Walnut High School

Public 9-12 • Assigned • 1.9mi

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

1% chance of being in a wildfire in next 30 years

6/10 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 9.9 hours in June and 6.8 hours in December, placing it above the U.S. average for solar exposure.

9.9 hrs

6.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.18M – $1.43M

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RE/MAX 2000 REALTY

New listings for sale in 91789

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OPEN TODAY, 10AM TO 1PM

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5 beds2.5 baths2,495 sq ft

19855 Vista Hermosa Dr S, Walnut, CA 91789

OPEN TODAY, 11AM TO 2PM

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3 beds2 baths1,420 sq ft

361 Calle Caballeros, Walnut, CA 91789

OPEN TODAY, 11AM TO 4PM

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5 beds5 baths3,574 sq ft

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Home values near 20143 Shadow Mountain Rd

Data from public records.

Address	Redfin Estimate
20245 Shadow Mountain Rd, Walnut, CA 3 Beds \| - Baths \| 1627 Sq. Ft.	$1,005,515
20219 Shadow Mountain Rd, Walnut, CA 4 Beds \| 2 Baths \| 1836 Sq. Ft.	$951,392

Address	Redfin Estimate
20237 Shadow Mountain Rd, Walnut, CA 4 Beds \| 3 Baths \| 2001 Sq. Ft.	$1,128,007
20137 Shadow Mountain Rd, Walnut, CA 4 Beds \| 2 Baths \| 1836 Sq. Ft.	$1,141,791

Address	Redfin Estimate
20227 Shadow Mountain Rd, Walnut, CA 3 Beds \| 2 Baths \| 2073 Sq. Ft.	$1,146,943
20129 Shadow Mountain Rd, Walnut, CA 3 Beds \| - Baths \| 2073 Sq. Ft.	$1,248,236

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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 20143 Shadow Mountain Rd

Tax history for 20143 Shadow Mountain Rd

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 20143 Shadow Mountain Rd

More real estate resources