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21002 Cornerstone Drive, 
Walnut, CA 91789

$959,000

4

Beds

3

Baths

1,800

Sq Ft

Condo

Active

Listed by

Oliver Wei

Homesmart, Evergreen Realty

Last updated:

February 25, 2026, 07:44 PM

MLS#

CV26038033

Source:

CAREIL

About This Home

21002 Cornerstone Drive

21002 Cornerstone Dr is a spacious 4 bedroom 3 bath home with approximately 1,800 square feet in the desirable Cornerstone community built in 2018. The open floor plan and natural light create a welcoming living space. The Cornerstone HOA provides community amenities that include a playground, picnic and barbecue areas maintaining common grounds and outdoor areas. Located in the award winning Walnut Valley Unified School District and within walking distance to Vejar Elementary School, Suzanne Middle School, and Walnut High School. Nearby supermarkets and shopping include options along Lemon Ave and the Walnut Shopping Center area for everyday convenience. Close to freeways for easy commuting.

Home Facts

Condo

3 Baths

4 Bedrooms

Built in 2018

Price Summary

959,000

$532 per Sq. Ft.

MLS #:

CV26038033

Last Updated:

February 25, 2026, 07:44 PM

Added:

a day ago

Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

3

Full Bathrooms:

3

Interior

Living Area:

1,800 Sq. Ft.

Structure

Structure

Building Area:

1,800 Sq. Ft.

Year Built:

2018

Lot

Lot Size (Sq. Ft):

17,474

Finances & Disclosures

Finances

Price:

$959,000

Price per Sq. Ft:

$532 per Sq. Ft.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.