21022 Cornerstone Walnut CA 91789 MLS #TR26169647

21022 Cornerstone
Walnut, CA, 91789
$4,100
4 Beds
4 Baths
1,830 SqFt
0.4 Acres
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MLS #TR26169647 image #0

Property Details

Price:
$4,100
MLS #:
TR26169647
Status:
Active
Beds:
4
Baths:
4
Type:
Single Family
Subtype:
Condominium
Neighborhood:
668walnut
Listed Date:
Aug 4, 2026
Finished Sq Ft:
1,830
Lot Size:
17,461 sqft / 0.40 acres (approx)
Year Built:
2018
668 – Walnut668walnutWalnut Valley UnifiedNoneCall

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Schools

School District:
Walnut Valley Unified

Interior

Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Heating
CF
Laundry Features
IR
Levels
C
Main Level Bathrooms
2
Main Level Bedrooms
3

Exterior

Attached Garage YN
1
Common Walls
_1CW
Community Features
SDW, CRB
Garage Spaces
2
Parking Spots
2
Parking Total
2
View
NO

Financial

Map

Community

Market Summary

Current real estate data for Single Family in Walnut as of Aug 06, 2026
121
Single Family Listed
56
Avg DOM
473
Avg $ / SqFt
$1,342,477
Avg List Price

Property Summary

    21022 Cornerstone Walnut CA is a Single Family for sale in Walnut, CA, 91789. It is listed for $4,100 and features 4 beds, 4 baths, and has approximately 1,830 square feet of living space, and was originally constructed in 2018. The current price per square foot is $2. The average price per square foot for Single Family listings in Walnut is $473. The average listing price for Single Family in Walnut is $1,342,477. To schedule a showing of MLS#tr26169647 at 21022 Cornerstone in Walnut, CA, contact your The Knight Group LA agent at 310.409.7242.

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broker reciprocity Courtesy of Country Bridge Realty. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than The Knight Group LA include the name of the listing broker. Neither the listing company nor The Knight Group LA shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.
Rover IDX
21022 Cornerstone
Walnut, CA