20505 Shadow Mountain Rd, Walnut, CA 91789

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Off market aug 2014 for $610K

$1,122,341

Est. refi paymentEst. refi $4,128/mo

•

1,836

sq ft

20505 Shadow Mountain Rd, Walnut, CA 91789

About this home

Nestled in the hills of Walnut CA. , this amazing single level family home is located on a corner lot and in a great quiet neighborhood. This home has a very private feel and provides the openness needed in a hillside home. Great floor plan which includes a family room with a fire place which opens up to the living room kitchen and back yard. The bright and light home is freshly painted in and out. It has large windows to the back yard. New carpet installed throughout and beautiful new hardwood floor is in the kitchen. The property features 4 good size bedrooms and 2 bath. The home has a specious living room that has a fire place and a view to the back yard and a kitchen that includes a dining room area. The property has beutiful mountain view and is very short distance from Mount San Antonio College and close to Cal Poly Pomona University and nearby beautiful homes. Blue Ribbon Walnut Schools. This Home is close to great shopping and is very close to both the 10 & 60 fwy. This is a must see home!! Priced to quick sell.

Single-familyProperty Type

1964Year Built

9,206 sq ftLot Size

$611Est. Price/Sq.Ft.

2 car garageParking

Listed by Crystal Chen •DRE #01428445 • RE/MAX 2000 REALTY

Bought with Crystal Chen •DRE #01428445 • RE/MAX 2000 REALTY

Redfin checked: a minute ago

•Source:CRMLS #WS14152530

Redfin Estimate

$1,122,341

$512K since sold in August 2014$14K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.3% lower than the average sale price ($1.15M) 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 MAY 21, 2026
$1,180,000
B
4 beds3 baths1,969 sq ft
20317 Alta Hacienda, Walnut, CA 91789
SOLD SEP 23, 2026
$1,050,000
C
4 beds2 baths1,582 sq ft
1339 Wesleyan, Walnut, CA 91789
SOLD AUG 6, 2026
$1,115,000
D
3 beds2 baths1,672 sq ft
20359 Lake Erie, Walnut, CA 91789
SOLD FEB 6, 2026
$1,198,611
E
4 beds2 baths1,582 sq ft
20338 Lake Erie Dr, Walnut, CA 91789

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Earn from this home

Sell

$705,455

Est. take-home

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Refinance

Est. cash available

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Rent

$3,790/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

COMING SOON
$999,000
4 beds2 baths1,753 sq ft
850 Darius, Walnut, CA 91789
OPEN SUN, 12PM TO 4PM
$985,000
3 beds2 baths1,585 sq ft
19200 Tuttle Creek Pl, Walnut, CA 91789
OPEN SUN, 12PM TO 3PM
$985,000
4 beds2 baths1,588 sq ft
448 Acaso, Walnut, CA 91789
OPEN SUN, 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 SUN, 10AM TO 1PM
$1,430,000
5 beds2.5 baths2,495 sq ft
19855 Vista Hermosa Dr S, Walnut, CA 91789
OPEN SUN, 11AM TO 2PM
$1,100,000
3 beds2 baths1,420 sq ft
361 Calle Caballeros, Walnut, CA 91789
OPEN SUN, 11AM TO 4PM
$2,298,000
5 beds5 baths3,574 sq ft
19779 Arbor Ridge Dr, Walnut, CA 91789
OPEN SUN, 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 20505 Shadow Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,367 (+47.4%)

$816,000 + $262,854

$1,078,854

2024

$9,066 (+3.6%)

$800,000 + $257,700

$1,057,700

2023

$8,749 (+2.1%)

$574,999 + $143,746

$718,745

2022

$8,569 (+1.9%)

$563,725 + $140,928

$704,653

2021

$8,411 (+1.3%)

$552,672 + $138,165

$690,837

2020

$8,306 (+2.0%)

$541,836 + $135,456

$677,292

2019

$8,147 (+4.2%)

$536,281 + $134,068

$670,349

2018

$7,816 (+4.8%)

$525,766 + $131,440

$657,206

2017

$7,461 (+3.0%)

$505,350 + $126,337

$631,687

2016

$7,245 (−0.6%)

$505,350 + $126,337

$631,687

2015

$7,290 (+425.2%)

$495,442 + $123,860

$619,302

2014

$1,388 (+2.2%)

$21,975 + $64,578

$86,553

2012

$1,359 (+3.1%)

$21,876 + $64,287

$86,163

2011

$1,318 (+1.2%)

$21,448 + $63,027

$84,475

2010

$1,302 (+1.7%)

$21,028 + $61,792

$82,820

2009

$1,281 (+3.6%)

$20,871 + $61,331

$82,202

2008

$1,236

$20,921 + $61,477

$82,398

Tax history for 20505 Shadow Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2025

$13,367 (+47.4%)

$816,000 + $262,854

$1,078,854

2024

$9,066 (+3.6%)

$800,000 + $257,700

$1,057,700

2023

$8,749 (+2.1%)

$574,999 + $143,746

$718,745

2022

$8,569 (+1.9%)

$563,725 + $140,928

$704,653

2021

$8,411 (+1.3%)

$552,672 + $138,165

$690,837

2020

$8,306 (+2.0%)

$541,836 + $135,456

$677,292

2019

$8,147 (+4.2%)

$536,281 + $134,068

$670,349

2018

$7,816 (+4.8%)

$525,766 + $131,440

$657,206

2017

$7,461 (+3.0%)

$505,350 + $126,337

$631,687

2016

$7,245 (−0.6%)

$505,350 + $126,337

$631,687

2015

$7,290 (+425.2%)

$495,442 + $123,860

$619,302

2014

$1,388 (+2.2%)

$21,975 + $64,578

$86,553

2012

$1,359 (+3.1%)

$21,876 + $64,287

$86,163

2011

$1,318 (+1.2%)

$21,448 + $63,027

$84,475

2010

$1,302 (+1.7%)

$21,028 + $61,792

$82,820

2009

$1,281 (+3.6%)

$20,871 + $61,331

$82,202

2008

$1,236

$20,921 + $61,477

$82,398

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

Public record

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

9,209 Sq. Ft.

Year renovated

1964

Sq. Ft.

1,836

Year built

1964

Style

Single Family Residential

County

Los Angeles County

APN

8712008013

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 7, 2026.

Property details

Parking

Parking / Garage Information
# of Garage Spaces: 2
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
Area

Kitchen Information
Breakfast Counter / Bar, Formal Dining Room

Bathroom Information
# of Baths (Full): 2

Cooling Information
Central
Has Cooling

Room Information
See Remarks

Fireplace Information
Living Room
Has Fireplace

Flooring Information
Carpet

Heating Information
Central Furnace
Has Heating

Interior Features
Levels: One

Exterior

Exterior Features
Pool Features: None

Lot Information
Lot Size Source: Assessor's Data

Property Information
Common Walls: No Common Walls
Living Area Source: Assessor's Data
Parcel Number: 8712008013
Has View
Year Built Source: Assessor

Financial

Lease / Rental Details
Land Lease

Utilities

Utilities Information
Sewer Available
Water Source: District/Public

Location

Multi-Unit Information
# of Units In Community: 1

Neighborhood Information
Community Features: Sidewalks

School Information
Middle Or Junior School: Suzanne
High School: Other
High School District: Walnut Valley Unified
Middle Or Junior School 2: SUZANN
High School 2: OTHER

Location Information
Latitude: 34.04933900
Longitude: -117.85617600
Directions: Cross Streets: Grand
Road Frontage Type: Access via City Streets

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,836
Stories: —
Lot Size: 9,209 square feet
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1964
County: Los Angeles County
APN: 8712008013

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 41
Continuous Days Active in MLS: 41

Listing Agent Information
List Agent First Name: Crystal
List Agent Last Name: Chen

Listing Office Information
List Office Name: RE/MAX 2000 REALTY

Selling Agent Information
Buyer Agent First Name: Crystal
Buyer Agent Last Name: Chen

Selling Office Information
Buyer Office Name: RE/MAX 2000 REALTY

Around this home

Schools

Collegewood Elementary School

Public K-5 • Assigned • 0.2mi

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

6 days above 99° expected this year, 18 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

$1.07M – $1.29M

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New listings for sale in 91789

COMING SOON

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850 Darius, Walnut, CA 91789

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19200 Tuttle Creek Pl, Walnut, CA 91789

OPEN SUN, 12PM TO 3PM

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448 Acaso, Walnut, CA 91789

OPEN SUN, 1PM TO 3PM

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20951 Stoddard Wells Rd, Walnut, CA 91789

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OPEN SUN, 10AM TO 1PM

$1,430,000

5 beds2.5 baths2,495 sq ft

19855 Vista Hermosa Dr S, Walnut, CA 91789

OPEN SUN, 11AM TO 2PM

$1,100,000

3 beds2 baths1,420 sq ft

361 Calle Caballeros, Walnut, CA 91789

OPEN SUN, 11AM TO 4PM

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5 beds5 baths3,574 sq ft

19779 Arbor Ridge Dr, Walnut, CA 91789

OPEN SUN, 2PM TO 4PM

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3 beds2.5 baths1,811 sq ft

21138 Valleyview, Walnut, CA 91789

Home values near 20505 Shadow Mountain Rd

Data from public records.

Address	Redfin Estimate
20554 Shadow Mountain Rd, Walnut, CA 4 Beds \| 3 Baths \| 2164 Sq. Ft.	$1,461,823
20531 Shadow Mountain Rd, Walnut, CA 4 Beds \| 2 Baths \| 1836 Sq. Ft.	$1,057,198

Address	Redfin Estimate
20506 Shadow Mountain Rd, Walnut, CA 3 Beds \| 2 Baths \| 1719 Sq. Ft.	$1,049,309
20537 Shadow Mountain Rd, Walnut, CA 3 Beds \| - Baths \| 2040 Sq. Ft.	$989,826

Address	Redfin Estimate
20432 Shadow Mountain Rd, Walnut, CA 3 Beds \| 2 Baths \| 1789 Sq. Ft.	$1,181,395
20549 Shadow Mountain Rd, Walnut, CA 3 Beds \| 2 Baths \| 1799 Sq. Ft.	$1,019,749

Property information provided by CRMLS when last listed in 2014. 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 20505 Shadow Mountain Rd

Tax history for 20505 Shadow Mountain 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 20505 Shadow Mountain Rd

More real estate resources