For Sale
Price CutPrice Drop: $50.89K (10/16)
Condo for sale at 20950 Cornerstone Dr, Walnut, CA 91789 | MLS# CV26203068 | Listing updated on 2026-11-04
Photo 1 of Condo for sale at 20950 Cornerstone Dr, Walnut, CA 91789 | MLS# CV26203068 | Listing updated on 2026-11-04
Photo 2 of Condo for sale at 20950 Cornerstone Dr, Walnut, CA 91789 | MLS# CV26203068 | Listing updated on 2026-11-04
Photo 3 of Condo for sale at 20950 Cornerstone Dr, Walnut, CA 91789 | MLS# CV26203068 | Listing updated on 2026-11-04
Photo 4 of Condo for sale at 20950 Cornerstone Dr, Walnut, CA 91789 | MLS# CV26203068 | Listing updated on 2026-11-04
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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

  • Beds Icon4 Beds
  • Beds Icon
    4 Baths
  • Beds Icon1,830sqft

20950 Cornerstone Dr, Walnut, CA 91789

$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 li
ving, 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 California Regional MLS-CA

This condo is in:

Property Details

  • Status

    Active

  • Type

    Condominium

  • No. of Stories

    3

  • County

    Los Angeles County

  • City

    Walnut

  • 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 Park Playground

PicnicArea PicnicArea

Barbecue 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

DateEventPrice

10/16/2026

Source: mls_logoCalifornia Regional MLS-CA #CV26203068

Price Decreased

$888,000 -5.42%

$485/sqft

10/06/2026

Source: mls_logoCalifornia Regional MLS-CA #CV26203068

Contingent (Active Under Contract)

$938,888 -3.10%

$513/sqft

09/16/2026

Source: mls_logoCalifornia Regional MLS-CA #CV26203068

Listed for Sale

$968,888 +7.67%

$529/sqft

07/30/2025

Source: mls_logoCalifornia Regional MLS-CA #OC25158754

Off Market

$899,900

$492/sqft

07/15/2025

Source: mls_logoCalifornia Regional MLS-CA #OC25158754

Listed for Sale

$899,900

$492/sqft

Nearby Homes

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.

Advertising Broker: William Johnson DRE #01463271 | William Johnson Brokerage

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