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$375,000

  • For Sale
  • Active
  • Single Family
  • 3 Beds
  • 1 Full Bath
  • 1 Partial Bath
  • 1,382 Sq. Ft.
  • 1 Car Garage
  • Updated 1 day ago
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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. Heat and central air are also in the basement, for future additional living space. Ideally located with easy access to major highways, this home combines comfort, convenience, and modern updates in a desirable setting. This property also has an elevator. A beautiful updated move-in ready home!

Full Property Details for 603 Sunnyside Ave

General

  • Price: $375,000
  • Taxes: (July 2026-June 2027)
  • Status: Active
  • Type: Single Family
  • Source: SMARTMLS
  • MLS ID: 24177459
  • Updated: 9/20/2026
  • Added to Site: 142 day(s) ago

Interior

  • Number of Rooms: 5
  • Interior Features: Auto Garage Door Opener
  • Appliances: Electric Range, Microwave, Refrigerator, Dishwasher

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 1
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 3
  • Primary Bedroom: Primary Bedroom, Main
  • Bedroom 1: Bedroom, Main
  • Bedroom 2: Bedroom, Main

Other Rooms

  • Living Room: Living Room, Main
  • Dining Room: Dining Room, Main

Parking

  • Garage: Yes
  • Garage Spaces: 1
  • Parking: Under House Garage

Location

  • County: Litchfield
  • Driving Directions: Drive east on Main St/CT 73. Left to Hillside Ave. Left to Buckingham St. Right to Sunnyside Ave. Turn left. Property is on the right.

School Information

  • Elementary School: John Trumbull
  • High School: Watertown

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Hot Air, No Fuel
  • Heating Fuel: No Fuel
  • Water Heater: Upright Tank

Utilities

  • Sewer: Septic
  • Water: Private Well

Structural Information

  • Architectural Style: Ranch
  • Construction Status: No/Resale
  • Exterior Const.: Vinyl Siding
  • Basement Desc.: Full, Unfinished
  • Roof: Asphalt Shingle
  • Attic: Yes
  • Square Feet: 1,382
  • Above Ground: 1,382 Sq. Ft.
  • Year Built: 1952

Lot Features

  • Lot Size (Acres): 0.41
  • Zoning: R30
  • Lot Description: Sloping Lot

Financial Considerations

  • Assessment Amount: $182,140
  • Tax Year: July 2026-June 2027

Disclosures and Reports

  • Property ID: 914996

Listed by Beycome of Connecticut, Steven Koleno

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Listing agent

— 603 Sunnyside Ave —

  • Steven Koleno

    Beycome of Connecticut

Agent Contact: (804) 656-5007 Office Contact: (804) 656-5007

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 603 Sunnyside Ave

School District:Watertown School District
NameGradesDistance
John Trumbull Primary School
779 Buckingham St., Watertown, CT 06779
PK-21.9 mi
Swift Middle School
250 Colonial St., Watertown, CT 06779
6-81.5 mi
Watertown High School
324 French Street, Watertown, CT 06795
9-122 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 603 Sunnyside Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
9/14/2026
Price Reduced
$375,000
-2.72%
MLS
8/26/2026
Price Reduced
$385,500
-2.53%
MLS
8/10/2026
Price Reduced
$395,500
-1%
MLS
7/21/2026
Price Reduced
$399,500
-0.1%
MLS
5/21/2026
Listed
$399,900
19895%
MLS
7/01/2025
Sold
$2,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 603 Sunnyside Ave

Year
Property Taxes
Change
Tax Assessment
Change
2025
$5,471
6%
$182,140
—
2023
$5,167
10%
$182,140
42%
2023
$4,718
6%
$128,000
—
2022
$4,472
1%
$128,000
—
2021
$4,424
4%
$128,000
—
2020
$4,248
—
$128,000
—
2019
$4,248
10%
$128,000
12%
2018
$3,846
5%
$114,500
—
2017
$3,650
3%
$114,500
—
2016
$3,537
3%
$114,500
—
2015
$3,446
-3%
$114,500
-19%
2011
$3,555
—
$141,700
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 603 Sunnyside Ave

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Beycome of Connecticut, Steven Koleno

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603 Sunnyside Avenue, Watertown, CT 06779 (MLS# 24177459) is a Single Family property with 3 bedrooms, 1 full bathroom and 1 partial bathroom. 603 Sunnyside Avenue is currently listed for $375,000 and was received on May 21, 2026. Want to learn more about 603 Sunnyside Avenue? Do you have questions about finding other Single Family real estate for sale in Watertown? You can browse all Watertown real estate or contact a Coldwell Banker agent to request more information.

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