Skip main navigation
Sold for $960,000
    • Listed by: Keller Williams Realty Irvine • Ariel Ma • Contact: 626-378-1327
    Bought with: IRN Realty
    $960,000

    20980 Cornerstone Dr, Walnut, CA 91789

    3beds
    1,760sqft
    Condominium
    Built in 2018
    -- sqft lot
    $930,900 Zestimate®
    $545/sqft
    $3,982 Estimated rent

    Home value

    $930,900

    $838,000 - $1.03M

    $3,982/mo

    Zestimate® history
    Loading
    Loading...

    Owner options

    List your home for rent

    $3,982/mo

    Rent Zestimate®

    Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.

    Learn more

    $3,982/mo

    Rent Zestimate®

    Refinance and save

    $6,710/mo

    Est. payment

    Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.

    See today's rates

    $6,710/mo

    Est. payment

    Explore your selling options

    Work with a Zillow partner agent

    Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.

    Get started

    List with your own agent

    Get your home in front of millions of buyers by listing it on Zillow.

    Learn how to do it

    Sell it yourself

    Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).

    List your home

    What's special

    Stunning home in the heart of Walnut, built in 2018 with modern upgrades and an open-concept design. The spacious kitchen boasts a large island, perfect for entertaining, while the bright living areas feature ample natural light. Primary suite offers a luxurious en-suite bath and generous closet space. Located in a quiet, well-maintained community, this home is minutes from top-rated schools, parks, shopping, and easy freeway access. Move-in ready and a must-see!

    Zillow last checked:

    Listing updated:

    Listed by:

    Ariel Ma DRE #02211916 626-378-1327,

    Keller Williams Realty Irvine,

    Fei Li DRE #02075610 949-353-9999,

    Keller Williams Realty Irvine

    Bought with:

    Linda Sun, DRE #02195947

    IRN Realty

    Source: CRMLS,MLS#: OC25030722MLS LogoOriginating MLS: California Regional MLS

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 4
    • Full bathrooms: 3
    • 1/2 bathrooms: 1
    • Main level bathrooms: 1
    • Main level bedrooms: 1
    Rooms
    • Room types: Bedroom, Entry/Foyer, Kitchen, Laundry, Living Room, Primary Bathroom, Primary Bedroom, Office, Other
    Primary bedroom
    • Features: Primary Suite
    Bedroom
    • Features: Bedroom on Main Level
    Other
    • Features: Walk-In Closet(s)
    Heating
    • Central
    Cooling
    • Central Air
    Appliances
    • Included: Dryer, Washer
    • Laundry: Washer Hookup, Gas Dryer Hookup, Laundry Room, Upper Level
    Features
    • Bedroom on Main Level, Primary Suite, Walk-In Closet(s)
    • Has fireplace: No
    • Fireplace features: None
    • Common walls with other units/homes: 2+ Common Walls
    Interior area
    • Total interior livable area: 1,760 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Garage - Attached
    • Attached garage spaces: 2
    Features
    • Levels: Three Or More
    • Stories: 3
    • Entry location: 1
    • Pool features: None
    • Has view: Yes
    • View description: None
    Lot
    • Size: 0.4 Acres
    Details
    • Parcel number: 8720047101
    • Zoning: WAC3*
    • 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: Park, Sidewalks
    HOA
    • Has HOA: Yes
    • Amenities included: Outdoor Cooking Area, Barbecue, Playground
    • HOA fee: $262 monthly
    • HOA name: Cornerstone HOA
    • HOA phone: 714-285-2626
    Location
    • Region: Walnut

    Financial & listing details

    • Price per square foot: $545/sqft
    • Tax assessed value: $979,200
    • Date on market: 2/11/2025
    • Cumulative days on market: 9 days
    • Listing terms: Cash,Conventional,FHA,Fannie Mae,VA Loan

    Price history

    DateEventPrice
    8/1/2026Listing removed$3,975$2/sqft
    Source: CRMLS #TR26129902 Report a problem
    6/15/2026Listed for rent$3,975+3.2%$2/sqft
    Source: CRMLS #TR26129902 Report a problem
    4/5/2025Listing removed$3,850$2/sqft
    Source: Zillow Rentals Report a problem
    3/25/2025Listed for rent$3,850+32.8%$2/sqft
    Source: Zillow Rentals Report a problem
    3/24/2025Sold$960,000+4.3%$545/sqft
    Source: CRMLS #OC25030722 Report a problem
    2/22/2025Contingent$920,000$523/sqft
    Source: CRMLS #OC25030722 Report a problem
    2/11/2025Listed for sale$920,000+28.7%$523/sqft
    Source: CRMLS #OC25030722 Report a problem
    8/24/2020Sold$715,000-2.1%$406/sqft
    Source: Public Record Report a problem
    8/7/2020Listed for sale$729,999+9.4%$415/sqft
    Source: METRO ASSETS INC. #WS20159066 Report a problem
    3/17/2019Listing removed$2,900$2/sqft
    Source: METRO ASSETS INC. #WS19042127 Report a problem
    2/25/2019Listed for rent$2,900$2/sqft
    Source: METRO ASSETS INC. #WS19042127 Report a problem
    3/22/2018Sold$667,000$379/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2026-- $979,200 +26.5%
    2025$11,735 +28.7%$773,935 +2%
    2024$9,116 +2.6%$758,761 +2%
    2023$8,889 +2.1%$743,885 +2%
    2022$8,702 +1%$729,300 +2%
    2021$8,619 +3.4%$715,000 +3%
    2020$8,336 $693,946 +2%
    2019$8,336 +80.4%$680,340 +228.3%
    2018$4,620 $207,210
    Find assessor info on the county website

    Neighborhood: 91789

    Nearby homes

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • High: Walnut

    Source: CRMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $930,900
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $930,900

    Nearby cities

    Nearby zip codes

    Other Walnut Topics

      Search
      Updates
      Favorites
      Plan
      Inbox