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Listed by: Lirong Zhu (626) 226-9447 DRE #02002069 | Real Brokerage Technologies, Inc (855) 450-0442
$888,000
Monthly Est:$4,420
4 Beds
- 4 Baths
3 full baths + 1 half bath
1,830sqft
20950 Cornerstone Dr, Walnut, CA 91789
$888,000
$4,420/moEst:
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Condominium
Built in 2018
$306/mo HOA
17,370 sqft lot
$485/sq.ft
Description
Within walking distance—approximately one mile—of award-winning elementary, middle, and high schools in the Walnut Valley Unified School District. Ask about available interest rate buydown options that may help reduce your monthly payment.
Elevated Living at Cornerstone by Shea Homes Built 2018 | Soaring 9' High Ceilings & Light-Filled Living | Entry-Level Suite | Over $40k in Upgrades
Discover an impressive sense of space with abundant natural light, and expansive open-concept living, this thoughtfully enhanced residence offers an airy, inviting setting for everyday comfort and effortless entertainment
Space to Gather. Privacy to Retreat
The connected living, dining, and kitchen spaces create a welcoming heart of the home, with a covered balcony offering a peaceful place for morning coffee or an evening pause. An entry-level bedroom with its own en-suite bathroom provides a private retreat for visiting guests or a dedicated home office, separate from the main living areas. Upstairs, the primary suite features a walk-in closet and dual-sink bathroom, while bedroom-level laundry and a direct-access two-car garage add everyday convenience. Enjoy landscaped community playground, dog park, BBQ areas, and connect with neighbors
Thoughtful Upgrades of over $40k
In builder options and owner-added upgrades, bring together designer finishes and practical enhancements. Two-zone climate control allows the 3rd floor bedrooms to be regulated separately from the lower levels, a valuable feature in a three-story home. Reverse-osmosis water filtration system, and EV charger complement upgraded flooring, quartz surfaces, and primary shower finishes
Prime Location & Future Value
•Education: Nestled in the prestigious Walnut Valley Unified School District, Walnut High School, Suzanne Middle School, and Vejar Elementary School, with walking distance in 1 mile, Mt. San Antonio College and Cal Poly Pomona are approximately 2.9 and 4.3 miles away
•Regional Attractions & Convenient Travel: Located apprx 17 miles from Honda Center—a confirmed indoor volleyball venue for the 2028 Olympic Games and the emerging $4 billion OCVIBE entertainment district, with phased openings beginning in 2027. Ontario International Airport is apprx 18 miles away, adding convenience for business and leisure travel
Photos tell part of the story, please come experience the space, the light, and the feeling of home for yourself.
- Houzeo last checked: 1 minute ago
- Listing updated: November 4, 2026 at 7:42 pm
- Source: California Regional MLS-CA | MLS#: CV26203068

This condo is in:
Property Details
Status
Active
Type
Condominium
No. of Stories
3
County
City
Neighborhood
--
Year Built
2018
HOA Fees
$306/mo
Finished Area
1,830 sqft
Lot Size
17,370 sqft lot
Basement Area
- sqft
MLS Name
California Regional MLS
MLS Number
CV26203068
MLS Status
Active
Days on Market
48
Cumulative Days on Market
49

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Location
HOA Management
Cornerstone Homeowners Association
HOA Fees
$306/ Monthly
Amenities
Amenities and services may be covered by one or multiple associations and service providers.
Park Playground
PicnicArea
Barbecue
Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 4
Bathrooms: 4
Interior
Interior Features
Primary Suite, Walk In Closets
Sewer
Public Sewer
Appliances
Dryer, Washer
Cooling
Central Air
Heating
Central
Utilities & Energy
Laundry Features
Laundry Room, Upper Level
Association Amenities
Dog Park, Barbecue, Picnic Area, Playground
Pool Features
None
Water Source
Public
Fireplace Features
None
Other Features
Community Features
Dog Park
Lot Features
Corner Lot
Price History
| Date | Event | Price |
|---|---|---|
10/16/2026 Source: | Price Decreased | $888,000 -5.42% $485/sqft |
10/06/2026 Source: | Contingent (Active Under Contract) | $938,888 -3.10% $513/sqft |
09/16/2026 Source: | Listed for Sale | $968,888 +7.67% $529/sqft |
07/30/2025 Source: | Off Market | $899,900 $492/sqft |
07/15/2025 Source: | Listed for Sale | $899,900 $492/sqft |
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Based on information from California Regional Multiple Listing Service, Inc. as of Nov 04, 2026, 08:30PM and /or other sources. 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 being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.
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