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For sale
  • Listed by: Hector R Castaneda, Broker • Hector Castaneda • Contact: 909-917-8262
    Price cut: $20K (7/11)
    $1,180,000

    19059 Diplomat Ave, Corona, CA 92881

    3beds
    2,488sqft
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    Single Family Residence
    Built in 2004
    0.69 Acres Lot
    $1,154,500 Zestimate®
    $474/sqft
    $-- HOA

    What's special

    Panoramic viewsGourmet kitchenPrivate spaMeticulously manicured gardenGreat roomCabana showerWalk-in closets
    Welcome to the Historic Corona Water Tower of El Cerrito.  Majestically secluded on a hilltop draped with panoramic views. Multiple varieties of flora and fauna are offered in the meticulously manicured garden atmosphere.  Over 30 fruit trees adorn this beautiful property.  The front yard grotto features shade, waterfalls, cold tub, and chicken coups.  The back patio offers amazing views of the valley from your covered patio and private spa, equipped with a cabana shower. Wired for sound throughout to create just the right mood for relaxing or entertaining.  Inside, we boast almost 2500 sqft of living area on a lot that’s over 30k sqft; this “never been on the market” home. This turnkey home is your dream come true.  The home is host to 10 rooms, beginning with a gourmet kitchen with walk-in pantry.  The great room includes an entry, living room, dining room and bar.  The Tower Room has the most inviting views Corona has ever seen, perfect for the budding artist. This property has everything, even plus a study/office to take care of business.  The master bedroom features a bonus room retreat, walk-in closets, and so much more.  The description of this home does not do it justice when you see it for yourself you will instantly fall in love.  Become a part of the Inland Empire at its finest!
    317 days
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    314
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    1
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    Zillow last checked:

    Listing updated:

    Listed by:

    Hector Castaneda DRE #01231046 909-917-8262,

    Hector R Castaneda, Broker

    Source: CRMLS,MLS#: IG25189447MLS LogoOriginating MLS: California Regional MLS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 3
      • Full bathrooms: 2
      • 1/2 bathrooms: 1
      • Main level bathrooms: 2
      • Main level bedrooms: 3
      Rooms
      • Room types: Family Room, Great Room, Laundry, Living Room, Office, Other
      Heating
      • Central
      Cooling
      • Central Air
      Appliances
      • Laundry: Inside
      Features
      • Has fireplace: No
      • Fireplace features: None
      • Common walls with other units/homes: No Common Walls
      Interior area
      • Total interior livable area: 2,488 sqft

      Property

      Parking
      • Total spaces: 1
      • Parking features: Garage - Attached
      • Attached garage spaces: 1
      Features
      • Levels: Two
      • Stories: 2
      • Entry location: 1
      • Pool features: None
      • Has view: Yes
      • View description: Canyon, Mountain(s), Neighborhood, Panoramic, Valley
      Lot
      • Size: 0.69 Acres
      • Features: 0-1 Unit/Acre, Sprinklers Timer
      Details
      • Parcel number: 277044082
      • Zoning: R-1-20000
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Condition
      • New construction: No
      • Year built: 2004

      Utilities & green energy

      • Sewer: Sewer Tap Paid
      • Water: Public

      Community & HOA

      Community
      • Features: Rural
      Location
      • Region: Corona

      Financial & listing details

      • Price per square foot: $474/sqft
      • Tax assessed value: $501,978
      • Annual tax amount: $2,714
      • Date on market: 8/24/2025
      • Cumulative days on market: 317 days
      • Listing terms: Cash to New Loan

        Estimated market value

        $1,154,500

        $1.10M - $1.21M

        $4,512/mo

        Price history

        DateEventPrice
        7/11/2026Price change$1,180,000-1.7%$474/sqft
        Source: CRMLS #IG25189447 Report a problem
        3/30/2026Price change$1,200,000-0.4%$482/sqft
        Source: CRMLS #IG25189447 Report a problem
        3/2/2026Price change$1,205,000-1.6%$484/sqft
        Source: CRMLS #IG25189447 Report a problem
        1/18/2026Price change$1,225,000-3.9%$492/sqft
        Source: CRMLS #IG25189447 Report a problem
        12/1/2025Listed for sale$1,275,000$512/sqft
        Source: CRMLS #IG25189447 Report a problem
        11/19/2025Listing removed$1,275,000$512/sqft
        Source: CRMLS #IG25189447 Report a problem
        10/24/2025Price change$1,275,000-1.9%$512/sqft
        Source: CRMLS #IG25189447 Report a problem
        8/24/2025Listed for sale$1,299,888+188.9%$522/sqft
        Source: CRMLS #IG25189447 Report a problem
        3/18/2019Sold$450,000-4.7%$181/sqft
        Source: Public Record Report a problem
        12/17/2018Pending sale$472,000$190/sqft
        Source: Keller Williams Realty #IG18109643 Report a problem
        11/8/2018Price change$472,000-1%$190/sqft
        Source: Keller Williams Realty #IG18109643 Report a problem
        10/15/2018Listed for sale$477,000$192/sqft
        Source: Keller Williams Realty #IG18109643 Report a problem
        8/27/2018Pending sale$477,000$192/sqft
        Source: Keller Williams Realty #IG18109643 Report a problem
        8/9/2018Price change$477,000-0.2%$192/sqft
        Source: Keller Williams Realty #IG18109643 Report a problem
        5/11/2018Listed for sale$478,000+272%$192/sqft
        Source: Keller Williams Realty #IG18109643 Report a problem
        3/28/2003Sold$128,500$52/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$2,714 +2%$501,978 +2%
        2024$2,660 -2%$492,136 +2%
        2023$2,714 -3%$482,487 +2%
        2022$2,797 +2.3%$473,028 +2%
        2021$2,733 -0.6%$463,754 +1%
        2020$2,749 +2.7%$459,000 +86.9%
        2019$2,677 +2.4%$245,534 +2%
        2018$2,615 +2.6%$240,720 +2%
        2017$2,549 $236,001 +2%
        2016$2,549 +3.3%$231,374 +1.5%
        2015$2,467 +3.9%$227,901 +2%
        2014$2,375 $223,438 +0.5%
        2013-- $222,430 +2%
        2012-- $218,070 +2%
        2011-- $213,795 +0.8%
        2010-- $212,199 -0.2%
        2009-- $212,705 +2%
        2008-- $208,536 +2.1%
        2007-- $204,272 +2%
        2006-- $200,268 +25.9%
        2005-- $159,087
        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.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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        Climate risks

        Neighborhood: El Cerrito

        Getting around

        29 / 100
        Car-Dependent
        18 / 100
        Minimal Transit
        8 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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