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 ca
MLS #
CRPW26015815
MLS Source
California Regional MLS
Days on Site
14
Rent Includes
AssociationFees
Bedrooms
Ground Floor Bedroom, Primary Suite/Retreat
Appliances
Dishwasher, Oven - Gas, Oven Range
Dining Room
Dining Area in Living Room, In Kitchen
Fireplace
None
Flooring
Laminate
Cooling
Central Forced Air
Heating
Central Forced Air
Roof
Shingle
Pool
None
Style
Spanish
Garage/Parking
Covered Parking, Garage, Garage: 2 Car(s)
Elementary District
Walnut Valley Unified
High School District
Walnut Valley Unified
Complex Amenities
Barbecue Area
21042 Cornerstone is a Condominium for Rent in Walnut, CA 91789. This 1,760 square foot property sits on a 0.457 Acres Lot and features 4 bedrooms & 3 full and 1 partial bathrooms. It is currently priced at $3,800 and was built in 2018. This address can also be written as 21042 Cornerstone, Walnut, CA 91789.
©2026 California Regional MLS. All rights reserved. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from California Regional MLS.
Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.
This listing information is up-to-date as of February 05, 2026. For the most current information, please contact Jenna Han