21048 Cornerstone Dr, Walnut, CA 91789
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Property image
OFF MARKET

21048 Cornerstone Dr
Walnut, CA 91789

  • 4 Beds
  • 4 Baths
  • 1,983 sqft

$1,123,500

Trulia Estimate
as of Aug 14, 2026
Est. Refi. Payment $6,837/mo*
Refinance Your Home

$1,123,500

Trulia Estimate
as of Aug 14, 2026
Est. Refi. Payment $6,837/mo*
Refinance Your Home
4 Beds
4 Baths
1,983 sqft

Home Value

Trulia Estimate
$1.12M
Since last month
Decreased$26K (-2.3%)
Since last year
Decreased$27K (-2.4%)
Since last sale
Increased$388K (+52.9%)
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 +39% in the last 10 years
MonthEstimated value
2026
August 2026$1.12M
July 2026$1.13M
June 2026$1.15M
May 2026$1.15M
April 2026$1.15M
March 2026$1.11M
February 2026$1.15M
January 2026$1.14M
2025
2024
2023
2022
2020

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
150 Greenleaf Dr, Walnut, CA
0.12
Single-Family Home
$1,300,000
08/23/25
5
4
2,364
21020 Bryan Cir, Walnut, CA
0.16
Single-Family Home
$1,250,000
09/02/25
3
2.5
1,811
20965 Deloraine Dr, Walnut, CA
0.22
Single-Family Home
$1,108,800
07/02/26
4
2
1,783
421 Wrangler Way, Walnut, CA
0.42
Single-Family Home
$970,000
12/04/25
4
2
1,616
215 Spyglass Ln, Walnut, CA
0.49
Single-Family Home
$1,260,000
07/17/26
5
3
2,197
20824 Fuero Dr, Walnut, CA
0.25
Single-Family Home
$1,800,000
06/12/26
5
6
3,203
20410 Julliard Dr, Walnut, CA
0.68
Single-Family Home
$1,272,000
10/10/25
4
3
1,992
20530 Divonne Dr, Walnut, CA
0.58
Single-Family Home
$1,130,000
10/15/25
4
2
1,470
350 Foxboro Dr, Walnut, CA
0.69
Single-Family Home
$1,250,000
03/25/26
3
2.5
1,731
602 Lone Eagle Rd, Walnut, CA
0.72
Single-Family Home
$1,200,000
04/21/26
4
2
1,786

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
$1,396,500
4
3
2,183
Off Market
21002 Cornerstone Dr, Walnut, CA 91789
0.05
$971,000
4
3
1,800
Recently Sold
155 Blue Crystal Dr, Walnut, CA 91789
0.08
$1,312,800
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
$940,000
3
3.5
1,760
Off Market
20968 Cornerstone Dr, Walnut, CA 91789
0.08
$939,500
3
3.5
1,880
Off Market
139 Seneca Dr, Walnut, CA 91789
0.12
$1,116,600
3
3
1,811
Off Market
151 Redstone Dr, Walnut, CA 91789
0.10
$1,425,300
4
3
2,364
Off Market
20956 Cornerstone Dr, Walnut, CA 91789
0.10
$888,000
3
3.5
1,760
Recently Sold
159 Redstone Dr, Walnut, CA 91789
0.11
$1,372,400
4
3
2,316
Off Market
20936 Delphine Dr, Walnut, CA 91789
0.13
$1,138,400
3
2
1,714
Off Market
150 Greenleaf Dr, Walnut, CA 91789
0.12
$1,295,600
5
4
2,364
Off Market

Local Information

  • Map ViewExplore the area around 21048 Cornerstone Dr.
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Living Area
1,983 sqft
Price/Sqft
$567
Parking
Attached Garage

About this House

Brand new floor ! Beautiful 4 bedroom and 3 full bathroom and 1-3/4 bathroom home built in 2019, walk distance to Walnut High school and Middle School. Excellent floor plan, the 1st floor has one bedroom with walk-in shower. The 2nd floor has a multifunctional loft, sun deck with good view. 2 Master bedroom with full Bathroom. End unit next to community park.
open house: SAT 11/16 AND SUN 11/17 1:00pm -3:00pm

1 year, tenant pay utility cost, tenant pay outdoor parking fee.
21048 Cornerstone Dr, Walnut, CA 91789 is a 4 bedroom, 4 bathroom, 1,983 sqft single-family home. It last sold for $734,000 on Dec 6, 2018 (19,473% above the $3,750 asking price). More recently, it was listed as a rental in October 2024 with an asking price of $3,980 per month. That rental listing was removed on November 11, 2024. It is currently off market. The Trulia Estimate is $1,123,500, with a rent estimate of $4,380/month.

Home Details for 21048 Cornerstone Dr

Interior Features

Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: Central AirHeating Fuel: Forced Air
Appliances & Utilities
DishwasherMicrowaveRefrigerator
Levels, Entrance, & Accessibility
Floors: Hardwood, Tile

Property Information

Property Type / Style
Property Type: Single Family Home

Rental Terms, Policies & Fees

Lease Term: 1 YearAvailable: now

Exterior Features

Parking & Garage
Parking: Attached, On Site

Price and Tax history

DateEventPrice
Nov 11, 2024
Source: Zillow Rentals
ListingRemoved
$3,750
Nov 3, 2024
Source: Zillow Rentals
PriceChange
$3,750
Price decreased by 6%
Oct 25, 2024
Source: Zillow Rentals
Listed For Rent
$3,980
Mar 24, 2021
Source: N/A
ListingRemoved
Jan 5, 2019
Source: N/A
ListingRemoved
$2,900

Market trends in Walnut

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
79
4MoM
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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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Apartments for Rent

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Explore by feature - Pet Friendly

9 pet-friendly rentals in Walnut, CA

Explore by feature - Garage

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Explore by feature - Air Conditioning

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Explore by feature - Washer/dryer

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Explore by feature - Outdoor Space

10 rentals with an outdoor space in Walnut, CA

Homes for sale near 21048 Cornerstone Dr

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Off Market Homes Near 21048 Cornerstone Dr

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Frequently asked questions about 21048 Cornerstone Dr

  • What is 21048 Cornerstone Dr estimated to be worth?
    Trulia's estimated value for 21048 Cornerstone Dr in Walnut, CA is $1,123,500.
  • What is the price history for 21048 Cornerstone Dr?
    21048 Cornerstone Dr in Walnut, CA last sold for $734,000 in December 2018.
  • 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 21048 Cornerstone Dr have air conditioning?
    Yes, 21048 Cornerstone Dr in Walnut, CA has air conditioning.
  • Does 21048 Cornerstone Dr have parking?
    Yes, 21048 Cornerstone Dr in Walnut, CA has on-site parking.