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21022 Cornerstone

Walnut, CA 91789
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Bed 4

Bed

Bath 4

Bath

SqFt1,830

Sqft

SqFt17,461

Sqft(Lot)

Welcome to this immaculate, light-filled 3-story modern condo built in 2018, situated in one of the most desirable neighborhoods in Walnut! Offering a spacious, contemporary layout with 1,830 sq. ft. of comfortable living space, this home perfectly balances luxury, low-maintenance living, and unbeatable educational convenience. Highlights & Features: Unbeatable Educational Location: Ideally located within short walking distance to top-ranked Walnut High School (~5–8 min walk) and Suzanne Middle School (~10 min walk) in the highly coveted Walnut Valley Unified School District. Bright & Open Living Space: The main level features an expansive open-concept floor plan with sleek wood-look flooring, recessed lighting, and large windows that flood the home with natural sunlight. Gourme t Chef's Kitchen: Stylish white cabinetry, elegant quartz countertops, tile flooring, a large prep island with pendant lighting, and high-end stainless steel appliances (gas range, microwave, and dishwasher). 4 Bedrooms & 3 Full Baths: Flexible multi-level layout featuring 4 full bedrooms and 3 full bathrooms—perfect for family living, multi-generational needs, or setting up a dedicated home office. Modern Comforts & Outdoor Space: Features a private balcony for relaxing outdoors, central A/C and heating, inside laundry hookups, and a spacious attached 2-car garage. Prime Neighborhood Convenience: Tucked into a quiet, high-demand community close to Mt. San Antonio College, local parks, target shopping, dining centers, and major freeway access.

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Detail Ic Property Details

Property Type : Other

Price : $4,100

AD Id : 89066625

MLS Id : TR26169647

Beds : 4

Lot Size : 17,461 sq ft lot

Living Area Size : 1,830

Year Built : 2018

Garage : 2

County : Los Angeles

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Feature Features

  • Bedroom Information

    Total beds: 4

    Bathroom Information

    Total Baths: 4 Full Baths: 3 Half Baths: 1
  • Heating & Cooling

    Has Heating: Yes Heating: Central Has Cooling: Yes Cooling: CentralAir

  • Building Information

    Year Built: 2018
    Pool Features: None
    Private Pool: No
    View: None

  • Lot Information

    Main Square Feet: 17461 Lot Size Acres: 0.4008 Lot Size Source: Assessor Lot Size Square Feet: 17,461

  • Listing Price Information

    Listing Price: $4100

  • Tax Information

    Parcel Number: 8720047085 Tax Lot: 43

  • Parking Information

    Parking Total: 2

    Garage Information

    Has Garage: Yes Has Attached Garage: Yes Garage Space: 2 Pets Allowed: Call

    Homeowners Association Information

    Has Association: Yes
    Community Features: Curbs, Sidewalks

  • Location Information

    Direction: From Valley Blvd, turn south onto N Grand Ave, turn right onto La Puente Rd, then left onto Cornerstone Dr. WaterSource: Public
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ByOwner last updated this listing 08/08/2026 @ 08:21

MLS: TR26169647 LISTED BY: David Wang, Country Bridge Realty 626-862-4518 SOURCE: CRMLS

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