20950 Cornerstone Dr, Walnut, CA 91789
Property image
Property image
FOR SALE
Listed by Lirong Zhu, Real Brokerage Technologies, Inc, (626) 226-9447

$938,888

Original price: $968,888
  • 4 Beds
  • 3.5 Baths
  • 1,830 sqft

20950 Cornerstone Dr, Walnut, CA 91789

Est. Mortgage $6,387/mo*
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Home Highlights

Condo
Built in 2018
$513/sqft
2 Car Garage
HOA $306/mo

Local Information

  • Map ViewExplore the area around 20950 Cornerstone Dr.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

What's unique:Dog parkBbq areasAbundant natural lightExpansive open-concept livingPrimary shower finishesQuartz surfaces
BACK ON THE MARKET — NO FAULT OF THE PROPERTY! Previous buyer was unable to perform. Don’t miss this second opportunity! Seller is offering an interest rate buydown opportunity! Come to our Open House to learn how you could benefit from a lower mortgage interest rate and monthly payment.

Elevated Living at Cornerstone by Shea Homes Built 2018 | Soaring 9-10' 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.

Home Details for 20950 Cornerstone Dr

Interior Features

Interior Details
Number of Rooms: 7Types of Rooms: Master Bedroom, Bedroom, Entry Foyer, Great Room, Kitchen, Laundry, Other
Beds & Baths
Number of Bedrooms: 4Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (half): 1Number of Bathrooms (main level): 1
Dimensions and Layout
Living Area: 1830 Square Feet
Appliances & Utilities
Appliances: Dryer, WasherDryerLaundry: Laundry Room,Upper LevelWasher
Heating & Cooling
Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central
Fireplace & Spa
Fireplace: NoneNo Fireplace
Windows, Doors, Floors & Walls
Common Walls: 1 Common Wall
Levels, Entrance, & Accessibility
Stories: 3Number of Stories: 3Levels: Three Or MoreEntry Location: FRONT DOOR
View
Has a ViewView: City Lights

Exterior Features

Exterior Home Features
No Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageHas an Attached GarageParking Spaces: 2Parking: Garage Attached
Pool
Pool: None
Frontage
Not on Waterfront
Water & Sewer
Sewer: Public Sewer
Surface & Elevation
Elevation Units: Feet

Days on Market

Cumulative Days on Market: 32Days on Market: 33

Property Information

Year Built
Year Built: 2018
Property Type / Style
Property Type: ResidentialProperty Subtype: CondominiumStructure Type: Multi FamilyArchitecture: Multi Family
Building
Not a New ConstructionAttached To Another StructureNo Additional Parcels
Property Information
Parcel Number: 8720047131

Price & Status

Price
List Price: $938,888Price Per Sqft: $513
Status Change & Dates
Possession Timing: Close Of Escrow

Active Status

MLS Status: Active

Location

Direction & Address
City: Walnut
School Information
High School District: Walnut Valley Unified

Agent Information

Listing Agent
Listing ID: CV26203068

Community

Community Features: Dog ParkNot Senior CommunityUnits in Building: 98

HOA

HOA Name: Cornerstone Homeowners AssociationHOA Phone: 714-285-2626Association for this Listing: California Regional MLSHas an HOAHOA Fee: $306/Monthly

Lot Information

Lot Area: 0.40 acres

Listing Info

Special Conditions: Standard

Offer

Contingencies: NO SELLER CONTINGENCYListing Terms: Cash, Cash to New Loan, Conventional

Miscellaneous

Mls Number: CV26203068Living Area Range Units: Square FeetAttribution Contact: 626-226-9447Common Interest: CondominiumUniversal Property Id: US-06037-N-8720047131-R-N

Additional Information

HOA Amenities: Dog Park,Barbecue,Picnic Area,PlaygroundSource Internet Entire Listing Display

What Locals Say about Walnut

This October

Trick-or-Treat Score

Built from what locals say about this neighborhood.
  • 88% say there are sidewalks
  • 63% say there's holiday spirit
  • 47% say neighbors are friendly
Trulia Trick or TreatStart Ghost Hunt
At least 124 Trulia users voted on each feature.
  • 88 % Say there are sidewalks

  • 88 % Say parking is easy

  • 81 % Say car is needed

  • 81 % Say yards are well-kept

  • 80 % Say it's dog friendly

  • 75 % Say it's quiet

  • 72 % Say streets are well-lit

  • 68 % Say people would walk alone at night

  • 63 % Say it's walkable to grocery stores

  • 63 % Say there's holiday spirit

  • 62 % Say there's wildlife

  • 62 % Say they plan to stay for at least 5 years

  • 47 % Say neighbors are friendly

  • 44 % Say it's walkable to restaurants

  • 44 % Say kids play outside

  • 30 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Nicholas R.
    "Very quiet neighborhood, not too much traffic, friendly neighbors. very nice and clean parks, that are close by. "
  • Angie.duran323
    "There’re lots of trails and long sidewalks in neighborhoods you can walk your dogs along. Sometimes all the dogs start barking at random times of day which is the only annoyance but other than that it’s great!"
  • T
    "City Walnut is known to have one the the best hiking trail in Southern California for adults, kids and pets"
  • Ronald G.
    "Public transportation is not very good. Especially for seniors living in the city. Stores are not really in walking distance and if you carry items, you will need to stop several times before getting home."
  • Ronald G.
    "The neighborhood is nice and people a generally nice. Easy to get around to stores and small shopping in the areas. If you want real shopping you have to leave the city."
  • sme2101
    "There are many families in our neighborhood, we have great parks, everyone is friendly and it’s a safe town"
  • Leslie a.
    "I lived here for about 6 years and I really enjoy the nature feel, the birds singing and the trails to walk on."
  • Fermin L.
    "I have lived here for the past 7 years and is a safe quiet neighborhood, great parks and city wide activities for children and adults, lots of trails to walk."
  • Needeposit
    "Living in the area for the last 20 years and in the same home for 12 years. Very safe area and one of the best school systems."
  • Ray
    "Great walking trails, very good schools and parks."

Market trends in Walnut

Last updated September 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
76
8
MoM
Sourced by Trulia Market Trends

Home Value

Trulia Estimate
$935K
Since last month
Decreased$33K (-3.4%)
Since last year
Increased$35K (+3.9%)
Since last sale
Increased$239K (+34.3%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +34% in the last 10 years
MonthEstimated value
2026
October 2026$935K
September 2026$967K
August 2026$942K
July 2026$956K
June 2026$961K
May 2026$959K
April 2026$969K
March 2026$995K
February 2026$977K
January 2026$898K
2025
2024
2023
2022
2021
2020
2019
2018

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.05
Condo
$677,000
03/27/26
4
3
1,830
0.03
Condo
$1,015,000
08/13/26
4
3
1,830
0.05
Condo
$971,000
04/02/26
4
3
1,800
0.80
Condo
$485,555
06/26/26
2
1
882
0.93
Condo
$499,999
11/07/25
2
1
878
1.36
Condo
$800,000
03/13/26
3
2.5
1,518
1.85
Condo
$1,025,000
01/09/26
3
3
1,809
1.39
Condo
$1,365,857
01/30/26
4
3
1,927
1.91
Condo
$743,000
06/11/26
3
3
2,054
1.39
Condo
$1,460,000
03/24/26
4
3
1,927

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
0.00
-
3
3.5
1,760
Off Market
0.00
$933,200
4
4
1,880
Off Market
0.00
$939,800
4
4
1,983
Off Market
0.00
$925,100
4
3
1,750
Off Market
0.00
$909,500
4
3
1,760
Off Market
0.00
$966,000
4
4
1,790
Off Market
0.00
$1,017,300
4
3
1,830
Off Market
0.00
$871,400
3
4
1,880
Off Market
0.00
$898,900
4
3
1,750
Off Market
0.01
$980,400
4
3.5
1,983
Off Market
0.02
-
4
3
1,983
Off Market
0.02
$1,042,900
4
3.5
1,931
Off Market
0.02
$885,600
4
3
1,760
Off Market
0.02
$914,200
4
3
1,750
Off Market
0.02
$959,300
4
3.5
1,983
Off Market
0.02
$1,003,500
4
3
1,830
Off Market
0.02
$905,900
3
4
1,769
Off Market
0.02
-
Studio
-
-
Off Market
0.02
$950,100
4
4
1,980
Off Market
0.03
-
Studio
-
-
Off Market

Price and Tax history

DateEventPrice
Oct 16, 2026
Source: CRMLS #CV26203068
PendingToActive
$938,888
Oct 14, 2026
Source: CRMLS #CV26203068
Contingent
$938,888
Oct 6, 2026
Source: CRMLS #CV26203068
PriceChange
$938,888
Price decreased by 3%
Sep 16, 2026
Source: CRMLS #CV26203068
Listed For Sale
$968,888
Mar 30, 2018
Source: N/A
Sold
$696,000

LGBTQ Local Legal Protections

Lirong Zhu, Real Brokerage Technologies, Inc
Agent Phone: (626) 226-9447
The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-10-18 00:13:29 PDT 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

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Frequently asked questions about 20950 Cornerstone Dr

  • What is the estimated monthly payment for 20950 Cornerstone Dr?
    Based on a $938,888 list price with 20% down at today's rates, the estimated monthly payment for 20950 Cornerstone Dr in Walnut, CA is approximately $6,214 (about $5,216 principal & interest, $923 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • What do residents say about Walnut?
    Residents describe Walnut, CA as pedestrian-friendly, easy to park in, and well-kept. See homes for sale in Walnut, CA.
  • What are the closest schools to 20950 Cornerstone Dr?
    The closest schools to 20950 Cornerstone Dr in Walnut, CA are Suzanne Middle School (rated 10/10), Vejar Elementary School (rated 8/10), Walnut High School (rated 10/10).
  • Does 20950 Cornerstone Dr have air conditioning?
    Yes, 20950 Cornerstone Dr in Walnut, CA has air conditioning.
  • Does 20950 Cornerstone Dr have laundry facilities?
    Yes, 20950 Cornerstone Dr in Walnut, CA has in-unit laundry.
20950 Cornerstone Dr, Walnut, CA 91789 is a 4 bedroom, 4 bathroom, 1,830 sqft condo built in 2018. This property is currently available for sale and was listed by CRMLS on Sep 16, 2026. The MLS # for this home is MLS# CV26203068.