21046 Cornerstone Dr, Walnut, CA 91789
OFF MARKET
Listed by JANE CHEN, Pinnacle Real Estate Group, (626) 888-9808 . Bought with Pinnacle Real Estate Group

21046 Cornerstone Dr
Walnut, CA 91789

  • 4 Beds
  • 4 Baths
  • 1,933 sqft

$1,062,300

Trulia Estimate
as of May 15, 2026
Est. Refi. Payment $6,314/mo*
Refinance Your Home

$1,062,300

Trulia Estimate
as of May 15, 2026
Est. Refi. Payment $6,314/mo*
Refinance Your Home
4 Beds
4 Baths
1,933 sqft

Local Information

Map showing home location
© Google
-- mins to
Commute Destination

Description

Beautiful Upgraded Newer 3-Story Townhouse built in 2018 by Shea Homes with Award Winning Walnut School District! This Home features 4 Bedrooms and 3.5 Baths which include Upgraded Porcelain Tile Flooring, Thicker Laminate Flooring, Larger Custom Baseboards, Window Furnishings, Additional Recessed Lighting, Moen and Kohler Fixtures, Water Softener and Filtration Systems. First Floor has One Bedroom and One Full Bathroom Perfect for Guests or Home Office. Second Story features an Open Floor Plan with Living Room, Dining Room, Kitchen and Balcony. Spacious Modern Gourmet Kitchen with Granite Countertops, White Shaker Cabinets, Custom Cabinet Handle, Under Cabinet Lighting, Stainless Steel Appliances, Samsung Smart Refrigerator and Large Kitchen Island. Third Story features Master Suite, Two Bedrooms with Recessed lightings, and Laundry Room. Master Bedroom with Recessed Lighting, Walk-In Closet, His and Her Sinks. Attached 2-car Garage. Community Park has Kids Playground and Barbecue Grill area for all the gatherings. Convenient Location close to Schools, Shopping, Restaurants… This Home Attends Vejar Elementary, Suzanne Middle, and Walnut High School.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources. This description is from June 12, 2023

Home Highlights

Parking
2 Car Garage
Outdoor
Porch
A/C
Heating & Cooling
HOA
$126/Monthly
Price/Sqft
No Info
Listed
180+ days ago

Home Details for 21046 Cornerstone Dr

Interior Features

Interior Details
Number of Rooms: 12Types of Rooms: Master Bedroom, Bedroom, Master Bathroom, Bathroom, Entry Foyer, Great Room, Kitchen, Laundry, Living Room, Other
Beds & Baths
Number of Bedrooms: 4Main Level Bedrooms: 4Number of Bathrooms: 4Number of Bathrooms (full): 4Number of Bathrooms (main level): 4
Dimensions and Layout
Living Area: 1933 Square Feet
Appliances & Utilities
Utilities: Electricity Available, Natural Gas Available, Sewer Available, Water AvailableAppliances: Dishwasher, Exhaust Fan, Gas Cooktop, Disposal, Gas Oven, Gas Range, Gas Water Heater, Range Hood, Water Softener, Tankless Water Heater, Water Heater, Water PurifierDishwasherDisposalLaundry: Washer Hookup,Gas Dryer Hookup,Inside,Laundry Room
Heating & Cooling
Heating: CentralHas CoolingAir Conditioning: Central Air,ElectricHas HeatingHeating Fuel: Central
Fireplace & Spa
Fireplace: NoneSpa: NoneNo FireplaceNo Spa
Gas & Electric
Electric: Electricity - On Property, Standard
Windows, Doors, Floors & Walls
Window: Custom Covering(s), Double Pane Windows, Drapes, Roller Shields, ScreensDoor: Sliding DoorsFlooring: Laminate, Tile, WoodCommon Walls: 2+ Common Walls
Levels, Entrance, & Accessibility
Stories: 3Number of Stories: 3Levels: Three Or MoreEntry Location: 1Floors: Laminate, Tile, Wood
View
Has a ViewView: Neighborhood
Security
Security: Security System, Carbon Monoxide Detector(s), Smoke Detector(s)

Exterior Features

Exterior Home Features
Roof: TilePatio / Porch: Front Porch, PorchFencing: Brick, Good ConditionExterior: Rain GuttersFoundation: Combination, Concrete PerimeterNo Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageHas an Attached GarageParking Spaces: 2Parking: Direct Access,Door-Single,Garage Faces Front,Garage,Garage Door Opener,Paved,One Space
Pool
Pool: None
Frontage
Road Frontage: City StreetRoad Surface Type: PavedNot on Waterfront
Water & Sewer
Sewer: Public Sewer
Surface & Elevation
Elevation Units: Feet

Days on Market

Cumulative Days on Market: 10

Property Information

Year Built
Year Built: 2018
Property Type / Style
Property Type: ResidentialProperty Subtype: CondominiumStructure Type: HouseArchitecture: House
Building
Construction Materials: Drywall, Frame, Glass, Concrete, Plaster, StuccoNot a New ConstructionAttached To Another StructureNo Additional Parcels
Property Information
Condition: Updated/Remodeled, TurnkeyParcel Number: 8720047133

Price & Status

Price
List Price: $898,000
Status Change & Dates
Off Market Date: Fri Apr 28 2023

Active Status

MLS Status: Closed

Location

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

Building

Building Details
Builder Name: Shea Homes

Community

Community Features: Dog Park, Park, Street Lights, SuburbanNot Senior CommunityUnits in Building: 61

HOA

HOA Name: Cornerstone Homeowners AssociationHOA Phone: 714-285-2626HOA Phone (alt): 714-285-2626HOA Name (second): Cornerstone Homeowners AssociationHOA Fee (second): 130HOA Fee Frequency (second): MonthlyAssociation for this Listing: California Regional MLSHas an HOAHOA Fee: $126/Monthly

Lot Information

Lot Area: 0.46 acres

Listing Info

Special Conditions: Standard

Offer

Listing Terms: Cash, Cash to New Loan

Miscellaneous

Mls Number: WS23064898Living Area Range Units: Square FeetCommon Interest: CondominiumUniversal Property Id: US-06037-N-8720047133-R-N

Additional Information

HOA Amenities: Call for Rules,Dog Park,Barbecue,Picnic Area,Playground,Pet Restrictions
Last check for updates: about 4 hours ago
Listed by JANE CHEN DRE #01745562, (626) 382-1688
Pinnacle Real Estate Group
Bought with: JANE CHEN DRE #01745562, (626) 382-1688, Pinnacle Real Estate Group
Originating MLS: California Regional MLS
Source: CRMLS, MLS#WS23064898

Price History for 21046 Cornerstone Dr

DatePriceEventSource
06/07/2023$935,000Sold
CRMLS #WS23064898
06/01/2023$898,000PendingCRMLS #WS23064898
04/29/2023$898,000ContingentCRMLS #WS23064898
04/18/2023$898,000Listed For SaleCRMLS #WS23064898
06/20/2019$739,000Sold
CRMLS #AR19063200
05/09/2019$749,000PendingAgent Provided
03/22/2019$749,000Listed For SaleAgent Provided
12/06/2018$679,500Sold
N/A
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Property Tax and Assessment

Year2025
Tax$11,991
Assessment$972,773
Home facts updated by county records

Comparable Sales for 21046 Cornerstone Dr

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
21002 Cornerstone Dr, Walnut, CA
0.06
Condo
$971,000
04/02/26
4
3
1,800
20916 Jade Dr, Walnut, CA
0.17
Condo
$915,000
09/04/25
4
3.5
1,760
816 Silver Fir Rd, Diamond Bar, CA
0.87
Condo
$590,000
06/18/25
2
2
1,136
715 Windwood Dr, Diamond Bar, CA
0.81
Condo
$545,000
08/12/25
2
1
882
810 Silver Fir Rd, Diamond Bar, CA
0.87
Condo
$495,000
09/02/25
2
1
878
607 Alder Ln, Diamond Bar, CA
0.77
Condo
$400,000
08/26/25
2
3
1,368

Assigned Schools

These are the assigned schools for 21046 Cornerstone Dr.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Walnut

At least 123 Trulia users voted on each feature.

  • 88 % Say there are sidewalks

  • 88 % Say parking is easy

  • 81 % Say car is needed

  • 80 % Say yards are well-kept

  • 80 % Say it's dog friendly

  • 74 % Say it's quiet

  • 71 % 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

  • 43 % Say it's walkable to restaurants

  • 43 % Say kids play outside

  • 29 % Say there are community events

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. "
    4
    Flag
  • 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!"
    3
    Flag
  • T
    "City Walnut is known to have one the the best hiking trail in Southern California for adults, kids and pets"
    5
    Flag
  • 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."
    1
    Flag
  • 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."
    3
    Flag
  • sme2101
    "There are many families in our neighborhood, we have great parks, everyone is friendly and it’s a safe town"
    1
    Flag
  • 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."
    2
    Flag
  • 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."
    1
    Flag
  • 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."
    1
    Flag
  • Ray
    "Great walking trails, very good schools and parks."
    1
    Flag

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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 2026-02-09 09:51:42 PST 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

Homes for rent near 21046 Cornerstone Dr

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Off Market Homes Near 21046 Cornerstone Dr

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Explore by feature

21046 Cornerstone Dr, Walnut, CA 91789 is a 4 bedroom, 4 bathroom, 1,933 sqft condo built in 2018. This property is not currently available for sale. 21046 Cornerstone Dr was last sold on Jun 7, 2023 for $935,000 (4% higher than the asking price of $898,000). The current Trulia Estimate for 21046 Cornerstone Dr is $1,062,300.