21046 Cornerstone Dr, Walnut, CA 91789
OFF MARKET

$1,828,334

Tax assessed value
  • Studio

21046 Cornerstone Dr, Walnut, CA 91789

Home Value

Learn more about this home's value by checking out the value of nearby homes and how much similar homes have sold for.

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
21002 Cornerstone Dr, Walnut, CA
0.05
Condo
$971,000
04/02/26
4
3
1,800
21010 Cornerstone Dr, Walnut, CA
0.05
Condo
$677,000
03/27/26
4
3
1,830
20982 Cornerstone Dr, Walnut, CA
0.08
Condo
$1,015,000
08/13/26
4
3
1,830
20956 Cornerstone Dr, Walnut, CA
0.10
Condo
$888,000
10/16/25
4
3
1,760
720 Windwood Dr, Diamond Bar, CA
0.84
Condo
$485,555
06/26/26
2
1
882
838 Windwood Dr, Diamond Bar, CA
0.98
Condo
$499,999
11/07/25
2
1
878
202 Siena Ct, Walnut, CA
1.22
Condo
$1,187,000
07/01/26
-
-
206 Siena Ct, Walnut, CA
1.22
Condo
$1,100,000
11/03/25
-
-
227 Roma Ct, Walnut, CA
1.26
Condo
$1,103,500
10/20/25
-
-
22035 Florence Cir, Walnut, CA
1.28
Condo
$1,388,000
05/11/26
-
-

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
159 Sterling Dr, Walnut, CA 91789
0.06
$1,380,800
4
3
2,183
Off Market
21002 Cornerstone Dr, Walnut, CA 91789
0.05
$971,000
4
3
1,800
Recently Sold
21007 Parkridge Dr, Walnut, CA 91789
0.11
$1,060,000
3
2
1,709
Recently Sold
155 Blue Crystal Dr, Walnut, CA 91789
0.08
$1,296,400
4
3
2,072
Off Market
20982 Cornerstone Dr, Walnut, CA 91789
0.08
$1,015,000
4
3
1,830
Recently Sold
20980 Cornerstone Dr, Walnut, CA 91789
0.08
$941,200
3
3.5
1,760
Off Market
20968 Cornerstone Dr, Walnut, CA 91789
0.08
$923,700
3
3.5
1,880
Off Market
139 Seneca Dr, Walnut, CA 91789
0.12
$1,117,600
3
3
1,811
Off Market
151 Redstone Dr, Walnut, CA 91789
0.10
$1,412,400
4
3
2,364
Off Market
20956 Cornerstone Dr, Walnut, CA 91789
0.10
-
3
3.5
1,760
Off Market
20950 Cornerstone Dr, Walnut, CA 91789
0.10
$968,888
4
3.5
1,830
For Sale
159 Redstone Dr, Walnut, CA 91789
0.11
$1,361,200
4
3
2,316
Off Market

Homes for rent near 21046 Cornerstone Dr

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Local Information

  • Map ViewExplore the area around 21046 Cornerstone Dr.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Condo

About this House

This condo is located at 21046 Cornerstone Dr, Walnut, CA. 21046 Cornerstone Dr is in Walnut, CA and in ZIP code 91789.
21046 Cornerstone Dr, Walnut, CA 91789 is a studio condo. This property is not currently displayed as for sale or rent on Trulia.

Home Details for 21046 Cornerstone Dr

Property Information

Property Type / Style
Property Type: Condo

Price and Tax history

YearProperty taxTax assessment
2017Unavailable
$1,828,334
Home facts updated by county records

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

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Off Market Homes Near 21046 Cornerstone Dr

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