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$399,900
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Property Description
Beautifully renovated 3 bedroom 1.5 bath, 1 level, ranch style house. Built in 1952, it has been redone with new flooring, freshly painted walls, new bathrooms, new kitchen cabinets, stainless steal appliances and quartz countertops. This house is turn key and meticulously done. Large master bedroom measuring 16.7 x 11.6 with 2 closets. 2 more perfectly sized bedrooms and the large living room leads out onto a quiet, private deck in the back. This house has a huge freshly painted walk out basement that can be converted into a game room, play room, home gym etc and attached to that, is the under house garage that leads to a spacious, relaxing back yard. This is a must see. Conveniently located access to the highway. This house also has an elevator, which is operational from the switch in the garage, but not the in the elevators itself. No guarantees regarding said elevator, it can also be used for storage, buyers option. It is being sold "as is" and inspections would be for informational purposes only.
Full Property Details
Full Property Details for 603 Sunnyside Ave
General
- Price: $399,900
- Taxes: (July 2025-June 2026)
- Status: Active
- Type: Single Family
- Source: SMARTMLS
- MLS ID: 24177459
- Updated: 7/6/2026
- Added to Site: 48 day(s) ago
Interior
- Number of Rooms: 5
- Interior Features: Auto Garage Door Opener
- Appliances: Electric Range, Microwave, Refrigerator, Dishwasher
Rooms
Bathrooms
- Total Bathrooms: 1
- Full 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 2025-June 2026
Disclosures and Reports
- Property ID: 914996
Listed by Beycome of Connecticut, Steven Koleno
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Schools
Schools serving 603 Sunnyside Ave
School District:Watertown School District
| Name | Grades | Distance |
|---|---|---|
John Trumbull Primary School 779 Buckingham St., Watertown, CT 06779 | PK-2 | 1.9 mi |
Swift Middle School 250 Colonial St., Watertown, CT 06779 | 6-8 | 1.5 mi |
Watertown High School 324 French Street, Watertown, CT 06795 | 9-12 | 2 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
Date
Details
Price
Change
Source
5/21/2026
Listed
$399,900
19895%
MLS
7/01/2025
Sold
$2,000
—
Public Record
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
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
—
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
Estimate the Cost for 603 Sunnyside Ave
603 Sunnyside Avenue, Watertown, CT 06779 (MLS# 24177459) is a Single Family property with 3 bedrooms and 1 full bathroom. 603 Sunnyside Avenue is currently listed for $399,900 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.

