20942 Cornerstone Dr, Walnut, CA 91789
Property image
Property image
OFF MARKET

$874,900

Trulia Estimate
  • 3 Beds
  • 4 Baths
  • 1,880 sqft (on 0.40 acres)

20942 Cornerstone Dr, Walnut, CA 91789

Est. Refi. Payment $5,610/mo*
Refinance Your Home
Currently Off Market - Sold Oct 15, 2021 for $790,000

Home Value

Trulia Estimate
$875K
Since last month
Decreased$8K (-0.8%)
Since last year
Decreased$30K (-3.3%)
Since last sale
Increased$85K (+10.7%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +28% in the last 10 years
MonthEstimated value
2026
September 2026$875K
August 2026$882K
July 2026$895K
June 2026$917K
May 2026$908K
April 2026$921K
March 2026$934K
February 2026$920K
January 2026$910K
2025
2024
2023
2022
2021
2020
2019
2018

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
20956 Cornerstone Dr, Walnut, CA
0.00
Townhouse
$888,000
10/16/25
3
3.5
1,760
923 Terrace Ln W #1, Diamond Bar, CA
1.84
Townhouse
$1,060,000
03/09/26
3
3
1,809
1253 Porto Grande #2, Diamond Bar, CA
2.01
Townhouse
$798,800
07/14/26
3
3
1,485
1221 Porto Grande #4, Diamond Bar, CA
2.09
Townhouse
$792,000
12/15/25
3
3
1,642
817 Terrace Ln E #7, Diamond Bar, CA
1.90
Townhouse
$1,390,000
07/28/26
4
5
2,430
22966 Estoril Dr #1, Diamond Bar, CA
2.05
Townhouse
$828,800
06/12/26
3
3
1,570
1217 Porto Grande #1, Diamond Bar, CA
2.09
Townhouse
$770,000
01/23/26
3
3
1,642
22905 Colombard Ln #5, Diamond Bar, CA
2.24
Townhouse
$849,000
02/27/26
3
2.5
1,685
3865 Sycamore St, West Covina, CA
2.07
Townhouse
$580,000
03/09/26
3
3
1,269
22810 Chardonnay Dr #2, Diamond Bar, CA
2.08
Townhouse
$808,000
09/17/26
3
3
1,485

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
150 Greenleaf Dr, Walnut, CA 91789
0.03
$1,294,800
5
4
2,364
Off Market
20956 Cornerstone Dr, Walnut, CA 91789
0.00
-
3
3.5
1,760
Off Market
20950 Cornerstone Dr, Walnut, CA 91789
0.00
$968,888
4
3.5
1,830
For Sale
151 Redstone Dr, Walnut, CA 91789
0.03
$1,412,400
4
3
2,364
Off Market
20982 Cornerstone Dr, Walnut, CA 91789
0.03
$1,015,000
4
3
1,830
Recently Sold
20980 Cornerstone Dr, Walnut, CA 91789
0.03
$941,200
3
3.5
1,760
Off Market
20968 Cornerstone Dr, Walnut, CA 91789
0.03
$923,700
3
3.5
1,880
Off Market
159 Redstone Dr, Walnut, CA 91789
0.06
$1,361,200
4
3
2,316
Off Market
20916 Jade Dr, Walnut, CA 91789
0.06
$912,100
4
3.5
1,760
Off Market
155 Blue Crystal Dr, Walnut, CA 91789
0.05
$1,296,400
4
3
2,072
Off Market
21002 Cornerstone Dr, Walnut, CA 91789
0.05
$971,000
4
3
1,800
Recently Sold
159 Sterling Dr, Walnut, CA 91789
0.09
$1,380,800
4
3
2,183
Off Market

Local Information

  • Map ViewExplore the area around 20942 Cornerstone Dr.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Townhouse
Built in 2018
0.4 acre lot
1,880 sqft
$465/sqft

About this House

FULLY UPGRADED TOWNHOUSE IN THE PRIME LOCATION WITH WALKING DISTANCE TO AWARD WINNING WALNUT HIGH SCHOOL. Come and check out the newest townhouse in the local area build by Shea Home in 2018. This spacious townhouse offers 1,880 sqft of open concept living space (per builder) , two en-suite bedrooms on the third floor and one set of main floor bedroom/bathroom. This design provide the perfect setting for bigger family and/or working professional at home who can easily shift the main floor bedroom into an office or for in-laws as needed. The upgrades of the features was a replicate of the model home, with builder upgrades on cabinet, counter tops, and custom build engineer wood flooring and wood shutter thru out the house. Make the appointment to check out the house today!
20942 Cornerstone Dr, Walnut, CA 91789 is a 3 bedroom, 4 bathroom, 1,880 sqft townhouse built in 2018. It last sold for $790,000 on Oct 15, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $874,900, with a rent estimate of $3,935/month.

Home Details for 20942 Cornerstone Dr

Property Information

Year Built
Year Built: 2018
Property Type / Style
Property Type: Townhouse

Interior Features

Heating & Cooling
Air ConditioningCooling System: Central

Community

Units in Building: 1

Lot Information

Lot Area: 0.40 acres

Price and Tax history

DateEventPrice
Oct 15, 2021
Source: N/A
Sold
$790,000
Sep 17, 2021
Source: CRMLS #TR21090758
Pending
$799,000
Aug 13, 2021
Source: RE/MAX International #TR21090758
PriceChange
$799,000
Price decreased by 2%
Aug 6, 2021
Source: RE/MAX International #TR21090758
Listed For Sale
$819,000
Jul 28, 2021
Source: RE/MAX International
ListingRemoved

Market trends in Walnut

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
84
5MoM

Around this home

What Locals Say about Walnut

At least 124 Trulia users voted on each feature.

  • 88 % Say there are sidewalks

  • 88 % Say parking is easy

  • 81 % Say car is needed

  • 81 % Say yards are well-kept

  • 80 % Say it's dog friendly

  • 75 % Say it's quiet

  • 72 % Say streets are well-lit

  • 68 % Say people would walk alone at night

  • 63 % Say it's walkable to grocery stores

  • 63 % Say there's holiday spirit

  • 62 % Say there's wildlife

  • 62 % Say they plan to stay for at least 5 years

  • 47 % Say neighbors are friendly

  • 44 % Say it's walkable to restaurants

  • 44 % Say kids play outside

  • 30 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Nicholas R.
    "Very quiet neighborhood, not too much traffic, friendly neighbors. very nice and clean parks, that are close by. "
    4
    Flag
  • Angie.duran323
    "There’re lots of trails and long sidewalks in neighborhoods you can walk your dogs along. Sometimes all the dogs start barking at random times of day which is the only annoyance but other than that it’s great!"
    3
    Flag
  • T
    "City Walnut is known to have one the the best hiking trail in Southern California for adults, kids and pets"
    5
    Flag
  • Ronald G.
    "Public transportation is not very good. Especially for seniors living in the city. Stores are not really in walking distance and if you carry items, you will need to stop several times before getting home."
    1
    Flag
  • Ronald G.
    "The neighborhood is nice and people a generally nice. Easy to get around to stores and small shopping in the areas. If you want real shopping you have to leave the city."
    3
    Flag
  • sme2101
    "There are many families in our neighborhood, we have great parks, everyone is friendly and it’s a safe town"
    1
    Flag
  • Leslie a.
    "I lived here for about 6 years and I really enjoy the nature feel, the birds singing and the trails to walk on."
    2
    Flag
  • Fermin L.
    "I have lived here for the past 7 years and is a safe quiet neighborhood, great parks and city wide activities for children and adults, lots of trails to walk."
    1
    Flag
  • Needeposit
    "Living in the area for the last 20 years and in the same home for 12 years. Very safe area and one of the best school systems."
    1
    Flag
  • Ray
    "Great walking trails, very good schools and parks."
    1
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 20942 Cornerstone Dr

  • What is 20942 Cornerstone Dr estimated to be worth?
    Trulia's estimated value for 20942 Cornerstone Dr in Walnut, CA is $874,900.
  • What is the price history for 20942 Cornerstone Dr?
    20942 Cornerstone Dr in Walnut, CA last sold for $790,000 in October 2021.
  • Is Walnut a buyer's or seller's market?
    Walnut is currently a seller's market, based on recent for-sale activity.
  • What do residents say about Walnut?
    Residents describe Walnut, CA as pedestrian-friendly, easy to park in, and well-kept. See recently sold homes in Walnut, CA.
  • Does 20942 Cornerstone Dr have air conditioning?
    Yes, 20942 Cornerstone Dr in Walnut, CA has air conditioning.

Explore by feature - Pet Friendly

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Apartments for Rent

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Off Market Homes Near 20942 Cornerstone Dr

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