$3,800
21042 Cornerstone
Walnut, CA, 91789
This beautifully designed 4-bedroom, 3.5-bath 3-story condo blends contemporary finishes, thoughtful functionality, and an unbeatable location within the award-winning Walnut Valley Unified School District.
The first floor welcomes you with a full bedroom and bath, perfect for extended family, guests, or a dedicated home office. The main living area on the second floor features laminate flooring, an open-concept layout, and a spacious great room ideal for gatherings. The modern kitchen offers a generous island with sleek quartz counters, granite perimeter countertops, and under-cabinet lighting for a bright, elevated cooking experience.
On the top floor, you’ll find the remaining bedrooms, including a tranquil primary suite, along with a conveniently located laundry room.
This community is designed for ease and comfort, offering a neighborhood park with greenbelt views, a playground, and a BBQ area, perfect for unwinding, hosting, or weekend fun.
Just minutes from the 60 & 57 freeways and close to the Walnut/Industry Metrolink Station, commuting to Los Angeles, Orange County, and the surrounding business hubs is effortless. The home is also within walking distance to Suzanne Middle School and Walnut High School—two of the district’s highest-ranked and most desired campuses.
The first floor welcomes you with a full bedroom and bath, perfect for extended family, guests, or a dedicated home office. The main living area on the second floor features laminate flooring, an open-concept layout, and a spacious great room ideal for gatherings. The modern kitchen offers a generous island with sleek quartz counters, granite perimeter countertops, and under-cabinet lighting for a bright, elevated cooking experience.
On the top floor, you’ll find the remaining bedrooms, including a tranquil primary suite, along with a conveniently located laundry room.
This community is designed for ease and comfort, offering a neighborhood park with greenbelt views, a playground, and a BBQ area, perfect for unwinding, hosting, or weekend fun.
Just minutes from the 60 & 57 freeways and close to the Walnut/Industry Metrolink Station, commuting to Los Angeles, Orange County, and the surrounding business hubs is effortless. The home is also within walking distance to Suzanne Middle School and Walnut High School—two of the district’s highest-ranked and most desired campuses.
Property Details
Price:
$3,800
MLS #:
PW26015815
Status:
Active
Beds:
4
Baths:
4
Type:
Single Family
Subtype:
Condominium
Neighborhood:
668walnut
Listed Date:
Jan 22, 2026
Finished Sq Ft:
1,760
Lot Size:
19,918 sqft / 0.46 acres (approx)
Year Built:
2018
Schools
School District:
Walnut Valley Unified
Interior
Appliances
DW, GO, FSR
Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Flooring
LAM, CARP
Heating
CF
Laundry Features
GE
Exterior
Architectural Style
SPN
Community Features
SUB
Parking Spots
2
Roof
SHN
Financial
Get Out There, A Simply Outgoing Approach to Life. James Outland Jr. is one of those rare people who simply has an outgoing approach to life. No matter the activity… from dune buggy riding to skydiving to motorcycling to riding the local Pismo Beach waves… James Outland Jr. approaches life with a “just get out there and do it” kind of attitude. A zest for Life. James’ zest for life is obviously apparent in his many exciting hobbies. In his spare time, he loves riding dune buggies or hi…
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Map
Current real estate data for Single Family in Walnut as of Feb 13, 2026
90
Single Family Listed
57
Avg DOM
431
Avg $ / SqFt
$1,256,911
Avg List Price
Community
- Address21042 Cornerstone Walnut CA
- CityWalnut
- CountyLos Angeles
- Zip Code91789
Similar Listings Nearby
Property Summary
- 21042 Cornerstone Walnut CA is a Single Family for sale in Walnut, CA, 91789. It is listed for $3,800 and features 4 beds, 4 baths, and has approximately 1,760 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 $431. The average listing price for Single Family in Walnut is $1,256,911. To schedule a showing of MLS#pw26015815 at 21042 Cornerstone in Walnut, CA, contact your James Outland agent at 8057482262.
Courtesy of Circa Properties, Inc.. 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 James Outland include the name of the listing broker. Neither the listing company nor James Outland 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. 21042 Cornerstone
Walnut, CA































