Active

20980 Cornerstone

Walnut, CA 91789
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Bed 3

Bed

Bath 3

Bath

SqFt1,760

Sqft

SqFt17,441

Sqft(Lot)

Stunning, move-in-ready 3-story contemporary townhome built by Shea Homes in 2018, located in the heart of Walnut! Situated in the exclusive and quiet 31-unit Cornerstone community, this bright and airy home features 3 bedrooms, 3.5 bathrooms, and 1,760 sq. ft. of modern living space with an open-concept design. Main level offers a highly desirable bedroom and full bathroom—perfect for guests, multigenerational living, or a private home office. Second level boasts an expansive living area flooded with natural light, a convenient powder room (half bath), and a gourmet chef's kitchen complete with a massive center island, sleek countertops, and an included refrigerator. Upper level serves as a private sanctuary featuring a luxurious primary suite with a large walk-in closet and en-suite b ath, alongside a third bedroom with its own bathroom, and a dedicated individual laundry room (washer/dryer included). Complete with central A/C and heating, an attached 2-car garage, and great community amenities including a park, playground, and outdoor cooking/BBQ area. Incredibly convenient location close to supermarkets, gas stations, dining, easy freeway access, and just 3 minutes to Walnut High School (top-rated Walnut Valley Unified School District). A must-see!

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Detail Ic Property Details

Property Type : Other

Price : $3,975

AD Id : 84903291

MLS Id : TR26129902

Beds : 3

Lot Size : 17,441 sq ft lot

Living Area Size : 1,760

Year Built : 2018

Garage : 2

County : Los Angeles

  • Map Map

Map

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Feature Features

  • Bedroom Information

    Total Bedrooms: 3

    Bathroom Information

    Total Baths: 4 Full Baths: 3 Half Baths: 1

    Water/Sewer

    Water Source: Public Sewer: Public Sewer
  • Interior Features

    Interior Features: Balcony,Attic Fireplace: None Furnished Description: Unfurnished
  • Cooling Features

    Central Air Air Conditioning

    Heating Source

    Central Has Heating

    Fireplace

    Fireplace Features: None Has Fireplace: 0

  • Building Information

    Year Built: 2018
  • Pool Features

    None

    Laundry Features

    Inside,Upper Level

  • Lot Details

    Lot Dimensions Source: Vendor Enhanced Lot Size Acres: 0.4004
  • Lot Size Source: Assessor Lot Size Square Feet: 17441

  • Listing Price Information

    Original List Price: 3,975 Listing Contract Date: 2026-06-14
  • Lease Information

    Lease Term: 12 Months Listing Agreement: Exclusive Right To Lease

  • Tax Information

    Parcel Number: 8720047101

  • Garage and Parking

    Attached Garage: Yes

    Homeowners Association

    Pets Allowed: Call Association: Yes
  • Rental Info

    Lease Term: 12 Months Security Deposit: 3975

  • Other Property Info

    Source Listing Status: Active Source Neighborhood: 668 - Walnut Availability Date: 2026-06-14 Directions: From Valley Blvd, turn south onto N Grand Ave, turn right onto La Puente Rd, then left onto Cornerstone Dr. Source Property Type: Residential Lease Area: 668 - Walnut Property SubType: Condominium
  • Building and Construction

    Property Age: 8 Common Walls: 2+ Common Walls Structure Type: Condominium Year Built Source: Assessor Total Square Feet Living: 1760 Entry Level: 1 Entry Location: enter Property Attached: Yes Levels or Stories: Three Or More Structure Type: House
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ByOwner last updated this listing 06/22/2026 @ 10:01

MLS: TR26129902 LISTED BY: David Wang, Country Bridge Realty 626-862-4518 SOURCE: CRMLS

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