Skip main navigation
For sale
  • Price cut: $400 (7/21)
    $399,500

    603 Sunnyside Avenue, Watertown, CT 06779

    3beds
    1,382sqft
    : 
    $2,906/mo
    Get pre-qualified
    Single Family Residence
    Built in 1952
    0.41 Acres Lot
    $-- Zestimate®
    $289/sqft
    $-- HOA

    What's special

    Private rear deckQuartz countertopsNew flooringRemodeled bathroomsTwo additional well-sized bedroomsStunning new kitchenBeautifully renovated
    Move-In Ready! Welcome home to this beautifully renovated 3-bedroom, 1.5-bath Ranch offering convenient one-level living. Built in 1952, this turnkey home has been thoughtfully updated with new flooring, fresh interior paint, remodeled bathrooms, a stunning new kitchen featuring quartz countertops, new cabinetry, and stainless steel appliances. The spacious primary bedroom measures approximately 16.7' x 11.6' and includes two closets, providing plenty of storage. Two additional well-sized bedrooms provide flexibility for family, guests, or a home office. The bright, inviting living room opens onto a private rear deck overlooking a peaceful backyard, a place for relaxing/ entertaining. The home also features a large, freshly painted walk-out basement with endless possibilities for additional living space, including a rec. room, playroom, home gym, or workshop. An under-house garage provides convenient parking and direct access to the basement. Ideally located with easy access to major highways, this home combines comfort, convenience, and modern updates in a desirable setting. An elevator is also included with the property. It is currently operational using the switch located in the garage; however, the controls inside the elevator are not functional. The seller makes no representations or warranties regarding the elevator, and it is being conveyed as-is. Buyers may choose to repair, remove, or use it for storage. A beautiful updated move-in ready home!
    67 days
    |
    625
    |
    41
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Steven T. Koleno (804)656-5007,

    Beycome of Connecticut 804-656-5007

    Source: Smart MLS,MLS#: 24177459MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 1
      • Full bathrooms: 1
      Primary bedroom
      • Level: Main
      Bedroom
      • Level: Main
      Bedroom
      • Level: Main
      Dining room
      • Level: Main
      Living room
      • Level: Main
      Heating
      • Forced Air, No Fuel
      Cooling
      • Central Air
      Appliances
      • Included: Electric Range, Microwave, Refrigerator, Dishwasher, Water Heater
      Features
      • Basement: Full,Unfinished
      • Attic: Crawl Space,Access Via Hatch
      • Has fireplace: No
      Interior area
      • Total structure area: 1,382
      • Total interior livable area: 1,382 sqft
      • Finished area above ground: 1,382

      Property

      Parking
      • Total spaces: 1
      • Parking features: Attached, Garage Door Opener
      • Attached garage spaces: 1
      Lot
      • Size: 0.41 Acres
      • Features: Sloped
      Details
      • Parcel number: 914996
      • Zoning: R30

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Ranch
      • Property subtype: Single Family Residence
      Materials
      • Vinyl Siding
      • Foundation: Concrete Perimeter
      • Roof: Asphalt
      Condition
      • New construction: No
      • Year built: 1952

      Utilities & green energy

      • Sewer: Septic Tank
      • Water: Well

      Community & HOA

      HOA
      • Has HOA: No
      Location
      • Region: Watertown

      Financial & listing details

      • Price per square foot: $289/sqft
      • Tax assessed value: $182,140
      • Annual tax amount: $5,471
      • Date on market: 5/21/2026

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        7/21/2026Price change$399,500-0.1%$289/sqft
        Source: Smart MLS #24177459 Report a problem
        5/21/2026Listed for sale$399,900$289/sqft
        Source: Smart MLS #24177459 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$5,471 +5.9%$182,140
        2024$5,167 +9.5%$182,140 +42.3%
        2023$4,718 +5.5%$128,000
        2022$4,472 +1.1%$128,000
        2021$4,424 +4.1%$128,000
        2020$4,248 $128,000
        2019$4,248 +10.5%$128,000 +11.8%
        2018$3,846 +5.4%$114,500
        2017$3,650 +3.2%$114,500
        2016$3,537 +2.6%$114,500
        2015$3,446 +3.4%$114,500
        2014$3,334 -6.2%$114,500 -19.2%
        2013$3,555 +3.6%$141,700
        2012$3,433 +3.9%$141,700
        2011$3,304 +1.8%$141,700
        2010$3,246 +2.4%$141,700
        2009$3,171 +11.7%$141,700 +21.5%
        2008$2,839 +7.2%$116,600
        2007$2,649 +1.6%$116,600 +1.6%
        2006$2,608 +11.5%$114,800
        2004$2,338 +12.7%$114,800 +43.4%
        2003$2,075 +5.5%$80,070 0%
        2001$1,967 +13.7%$80,073 -6.5%
        1995$1,730 $85,610
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        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.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: Oakville

        Getting around

        21 / 100
        Car-Dependent
        12 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: John Trumbull
        • High: Watertown

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

        A local agent can set up tours, give advice and negotiate with sellers.

        Browse local experts

        Similar homes