20405 Shadow Mountain Rd, Walnut, CA 91789

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Off market jun 2021 for $1M

$1,327,558

Est. refi paymentEst. refi $6,928/mo

•

1,951

sq ft

20405 Shadow Mountain Rd, Walnut, CA 91789

About this home

View! View! View! This stunning one level beautiful ranch style home with 180 degree views of city, trees, woods and mountain views is nested in the peaceful and hillside of Shadow Mountain area in the top rated Walnut School District and conveniently located to shopping and dining locations. This bright, airy, open space home, plenty of living space with stunning views, offers 4 large bedrooms and 2.5 bathrooms on a large lot; no backside neighbor offering enhanced privacy, front yard with plenty of parking spaces on the driveway and side paved area; side parking area is great for RV parking. Taking advantage of the views, the home features large sliding doors in the living room and master bedroom. The open space design with modern contemporary style utilized the whole space giving a very spacious and elegant design feel, yet offers plenty of space for guests and entertaining. The house has been updated and upgraded throughout the recent years, remodeled kitchen is complete with high-end appliances, plenty of storage, Caesarstone quartz countertops and splash walls, make cooking an enjoyable thing; AC & Furnace along with ducts, water heater has been completely updated, and water pipe has been re-piped with copper pipe. The house also features a solar system, EV charge outlet, double & triple pane sliding doors and windows, shutters, drip irrigation system, whole house and under sink water filter system, toilet bidet, exterior walls insulated and more to make this home a truly green and efficiently run house. The serene private beautiful backyard offers space and view to relax and entertain with family and friends. This truly is a hard to find gem that has it all!

Single-familyProperty Type

1964Year Built

8,354 sq ftLot Size

$680Est. Price/Sq.Ft.

2 car garageParking

Listed by Ankuo Lee •DRE #01881926 • Transglobal Realty

Bought with Judy Lin Young •DRE #01914120 • United Real Estate Los Angeles

Bought with Anthony Mariotti •DRE #02037147 • United Real Estate Los Angeles

Redfin checked: a minute ago

•Source:CRMLS #TR21098497

Redfin Estimate

$1,327,558

$303K since sold in June 2021$15K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.4% higher than the average sale price ($1.25M) of 6 comparable homes.

SOLD MAY 21, 2026
$1,180,000
A
4 beds3 baths1,969 sq ft
20317 Alta Hacienda, Walnut, CA 91789
SOLD SEP 25, 2026
$1,370,000
B
4 beds3 baths2,074 sq ft
20157 Stanford Ct, Walnut, CA 91789
SOLD OCT 16, 2026
$1,180,000
C
4 beds2.5 baths2,074 sq ft
1310 Heidelberg Ave, Walnut, CA 91789
AG One Realty Inc.
SOLD AUG 20, 2026
$1,240,000
D
4 beds3 baths2,188 sq ft
20538 Barnard, Walnut, CA 91789
SOLD AUG 18, 2026
$1,200,000
E
4 beds2 baths1,831 sq ft
1602 Chestnut Hl, Walnut, CA 91789
SOLD AUG 4, 2026
$1,316,500
F
3 beds3 baths2,067 sq ft
20311 E Yale Ave, Walnut, CA 91789
Bullock Russell RE Services

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Earn from this home

Sell

$520,559

Est. take-home

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Refinance

Est. cash available

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Rent

$4,136/mo

Redfin rental estimate

List your home for rent

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

Redfin agents who toured

Highly upgraded interior, closets redesigned to maximize space usage. Solar Panels. Electric car charging station in garage.
5 years ago• May not reflect the current state of the home
Steven Moore
Redfin agent

Sale history for 20405 Shadow Mountain Rd

Date

Event

Price

CRMLS #TR21098497

Jun 10, 2021

Sold

$1,025,000

$525/sq ft

May 26, 2021

Pending

—

May 19, 2021

Contingent

—

May 12, 2021

Listed

$945,000

$484/sq ft

May 8, 2021

Coming Soon

$945,000

$484/sq ft

CRMLS #12155086

Oct 21, 2011

Sold

$486,000

$249/sq ft

Oct 7, 2011

Pending

—

Oct 6, 2011

Pending

—

Sep 14, 2011

Price Changed

$499,000

$256/sq ft

Aug 22, 2011

Relisted

—

Aug 18, 2011

Pending

—

Aug 3, 2011

Listed

$519,000

$266/sq ft

20K! PRICE REDUCTION!! View View View!!! Beautiful single story home in desirable Walnut neighborhood! It has a great view from hillside. Walnut school district. Close to schools, shopping center, and Mt. San Antonio College. It features a very cozy fire place, family room, dining room, kitchen, separate laundry room, 4 bedrooms and 2.5 bathrooms. It will feel like home sweet home! Backyard with private hillside view to relax or have a BBQ with family and friends. Quiet neighborhood. Freshly painted through out. Property is in excellent condition with a price to beat! It won't last!!

Public Records

Sep 13, 1977

Sold

$69,500

$36/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$14,049 (+4.9%)

$769,873 + $361,806

$1,131,679

2024

$13,397 (+3.3%)

$754,778 + $354,712

$1,109,490

2023

$12,973 (+2.1%)

$739,979 + $347,757

$1,087,736

2022

$12,708 (+79.1%)

$725,470 + $340,939

$1,066,409

2021

$7,095 (+1.3%)

$711,246 + $334,254

$1,045,500

2020

$7,007 (+1.9%)

$270,021 + $293,926

$563,947

2019

$6,874 (+5.5%)

$267,253 + $290,913

$558,166

2018

$6,516 (+4.7%)

$262,013 + $285,209

$547,222

2017

$6,222 (+3.1%)

$251,840 + $274,135

$525,975

2016

$6,036 (−0.6%)

$251,840 + $274,135

$525,975

2015

$6,071 (−0.1%)

$246,902 + $268,760

$515,662

2014

$6,078 (−0.2%)

$238,431 + $259,538

$497,969

2012

$6,090 (+237.4%)

$237,354 + $258,366

$495,720

2011

$1,805 (+1.0%)

$232,700 + $253,300

$486,000

2010

$1,786 (+1.2%)

$32,799 + $92,496

$125,295

2009

$1,765 (+3.3%)

$32,554 + $91,805

$124,359

2008

$1,709

$32,632 + $92,024

$124,656

Tax history for 20405 Shadow Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2025

$14,049 (+4.9%)

$769,873 + $361,806

$1,131,679

2024

$13,397 (+3.3%)

$754,778 + $354,712

$1,109,490

2023

$12,973 (+2.1%)

$739,979 + $347,757

$1,087,736

2022

$12,708 (+79.1%)

$725,470 + $340,939

$1,066,409

2021

$7,095 (+1.3%)

$711,246 + $334,254

$1,045,500

2020

$7,007 (+1.9%)

$270,021 + $293,926

$563,947

2019

$6,874 (+5.5%)

$267,253 + $290,913

$558,166

2018

$6,516 (+4.7%)

$262,013 + $285,209

$547,222

2017

$6,222 (+3.1%)

$251,840 + $274,135

$525,975

2016

$6,036 (−0.6%)

$251,840 + $274,135

$525,975

2015

$6,071 (−0.1%)

$246,902 + $268,760

$515,662

2014

$6,078 (−0.2%)

$238,431 + $259,538

$497,969

2012

$6,090 (+237.4%)

$237,354 + $258,366

$495,720

2011

$1,805 (+1.0%)

$232,700 + $253,300

$486,000

2010

$1,786 (+1.2%)

$32,799 + $92,496

$125,295

2009

$1,765 (+3.3%)

$32,554 + $91,805

$124,359

2008

$1,709

$32,632 + $92,024

$124,656

*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

8,357 Sq. Ft.

Year renovated

1964

Sq. Ft.

1,951

Year built

1964

Style

Single Family Residential

County

Los Angeles County

APN

8712008022

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 7, 2026.

Property details

Parking

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

Interior

Laundry Information
Has Laundry
Gas Dryer Hookup, Individual Room, Washer Hookup

Bathroom Information
# of Baths (Full): 3

Cooling Information
Central
Has Cooling

Room Information
Kitchen, Laundry, Living Room, Primary Suite

Fireplace Information
Living Room
Has Fireplace

Heating Information
Central Furnace
Has Heating

Interior Features
Levels: One
Main Level Bathrooms: 3
Main Level Bedrooms: 4

Exterior

Exterior Information
Structure Type: House

Exterior Features
Pool Features: None
Has Sprinklers

Green Property Infomration
Energy Generation: Solar
Energy Efficient: Electrical/Lighting, Water Heater, Windows

Lot Information
Elevation Units: Feet
Lot Size Source: Assessor's Data
Lot Features: 0-1 Unit/Acre, Back Yard, Front Yard, Lot 6500-9999, Sprinkler System

Property Information
Total # of Units: 1
Common Walls: No Common Walls
Parcel Number: 8712008022
Total # of Stories: 1
Has View
Year Built Source: Assessor

Financial

Assesments Information
Assessments: Unknown

Utilities

Utilities Information
Sewer: Public Sewer
Water Source: District/Public

Location

Neighborhood Information
Community Features: Curbs

School Information
High School: Walnut
High School District: Walnut Valley Unified
High School 2: WALNUT

Location Information
Latitude: 34.04873500
Longitude: -117.85694500
Directions: West of Grand Ave, North of Amar Rd
Zoning: WAR18500*

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 1,951
Stories: —
Lot Size: 8,357 square feet
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1964
County: Los Angeles County
APN: 8712008022

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 6
Continuous Days Active in MLS: 6

Listing Agent Information
List Agent First Name: Ankuo
List Agent Last Name: Lee

Listing Office Information
List Office Name: Transglobal Realty

Selling Agent Information
Buyer Agent First Name: Judy
Buyer Agent Last Name: Lin
Co-Buyer Agent First Name: Anthony
Co-Buyer Agent Last Name: Mariotti

Selling Office Information
Buyer Office Name: United Real Estate Los Angeles
Co-Buyer Office Name: United Real Estate Los Angeles

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

7 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

$1.26M – $1.53M

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Home values near 20405 Shadow Mountain Rd

Data from public records.

Address	Redfin Estimate
20432 Shadow Mountain Rd, Walnut, CA 3 Beds \| 2 Baths \| 1789 Sq. Ft.	$1,181,395
20331 Shadow Mountain Rd, Walnut, CA 4 Beds \| 3 Baths \| 1951 Sq. Ft.	$1,122,479

Address	Redfin Estimate
20505 Shadow Mountain Rd, Walnut, CA 4 Beds \| 2 Baths \| 1836 Sq. Ft.	$1,122,341
20341 Shadow Mountain Rd, Walnut, CA 3 Beds \| 2 Baths \| 2040 Sq. Ft.	$1,334,608

Address	Redfin Estimate
20321 Shadow Mountain Rd, Walnut, CA 3 Beds \| 3 Baths \| 2157 Sq. Ft.	$1,227,652
20401 Shadow Mountain Rd, Walnut, CA 4 Beds \| - Baths \| 1836 Sq. Ft.	$1,175,482

Property information provided by CRMLS when last listed in 2021. 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

Redfin agents who toured

Sale history for 20405 Shadow Mountain Rd

Tax history for 20405 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 20405 Shadow Mountain Rd

More real estate resources