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For sale
  • Listed by: Real Brokerage Technologies, Inc • Lirong Zhu • Contact: 626-226-9447
    $968,888

    20950 Cornerstone Dr, Walnut, CA 91789

    4beds
    1,830sqft
    : 
    $7,238/mo
    Get pre-qualified
    Condominium
    Built in 2018
    -- sqft lot
    $959,200 Zestimate®
    $529/sqft
    $306/mo HOA

    What's special

    Elevated Living at Cornerstone by Shea Homes Built 2018 | Soaring 9-10' Ceilings & Light-Filled Living | Entry-Level Suite | Over $53k 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 $53k 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. A water softener, 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. Join us at our Open House this Saturday and Sunday and imagine your next chapter here Don't let current interest rates hold you back from your dream home! Come connect with our preferred loan officers, who can share strategic financing options to help lower your monthly payments
    18 days
    871
    44

    Likely to sell faster than

    Zillow last checked:

    Listing updated:

    Listed by:

    Lirong Zhu DRE #02002069 626-226-9447,

    Real Brokerage Technologies, Inc

    Source: CRMLS,MLS#: CV26203068MLS LogoOriginating MLS: California Regional MLS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      • Main level bathrooms: 1
      Rooms
      • Room types: Bedroom, Entry/Foyer, Great Room, Kitchen, Laundry, Primary Bedroom, Other
      Primary bedroom
      • Features: Primary Suite
      Bedroom
      • Features: Multi-Level Bedroom
      Other
      • Features: Walk-In Closet(s)
      Heating
      • Central
      Cooling
      • Central Air
      Appliances
      • Included: Dryer, Washer
      • Laundry: Laundry Room, Upper Level
      Features
      • Primary Suite, Walk-In Closet(s)
      • Has fireplace: No
      • Fireplace features: None
      • Common walls with other units/homes: 1 Common Wall
      Interior area
      • Total interior livable area: 1,830 sqft

      Property

      Parking
      • Total spaces: 2
      • Parking features: Garage - Attached
      • Attached garage spaces: 2
      Features
      • Levels: Three Or More
      • Stories: 3
      • Entry location: FRONT DOOR
      • Pool features: None
      • Has view: Yes
      • View description: City Lights
      Lot
      • Size: 0.4 Acres
      • Features: Corner Lot
      Details
      • Parcel number: 8720047131
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: Condo
      • Property subtype: Condominium
      • Attached to another structure: Yes
      Condition
      • New construction: No
      • Year built: 2018

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Features: Dog Park
      HOA
      • Has HOA: Yes
      • Amenities included: Dog Park, Barbecue, Picnic Area, Playground
      • HOA fee: $306 monthly
      • HOA name: Cornerstone Homeowners Association
      • HOA phone: 714-285-2626
      Location
      • Region: Walnut

      Financial & listing details

      • Price per square foot: $529/sqft
      • Tax assessed value: $807,760
      • Date on market: 9/16/2026
      • Cumulative days on market: 18 days
      • Listing terms: Cash,Cash to New Loan,Conventional

        Estimated market value

        $959,200

        $911,000 - $1.01M

        $4,017/mo

        Price history

        DateEventPrice
        9/16/2026Listed for sale$968,888+39.2%$529/sqft
        Source: CRMLS #CV26203068 Report a problem
        3/30/2018Sold$696,000$380/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2026-- $807,760 +2%
        2025$9,951 +5.3%$791,923 +2%
        2024$9,452 +2.5%$776,396 +2%
        2023$9,220 +2.1%$761,174 +2%
        2022$9,029 +1.9%$746,250 +2%
        2021$8,861 +1.3%$731,618 +1%
        2020$8,748 $724,118 +2%
        2019$8,748 +234.1%$709,920 +242.6%
        2018$2,619 $207,210
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

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        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
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        Climate risks

        Neighborhood: 91789

        Getting around

        49 / 100
        Car-Dependent
        37 / 100
        Some Transit
        42 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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