Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$399,900 Just Listed

  • For Sale
  • Active
  • Single Family
  • 3 Beds
  • 1 Full Bath
  • 1,382 Sq. Ft.
  • 1 Car Garage
  • Updated 47 minutes ago
See This Home
Save This Home
See This Home
Save This Home
Beautifully renovated 3 bedroom 1.5 bath, 1 level, ranch style house. Built in 1952 is 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 and will go fast. Conveniently located access to the highway. It is being sold "as is" and there will be no property condition disclosures provided, as this was an estate.

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: Today (5/21/2026)
  • Added to Site: Today

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

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

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

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

Date
Details
Price
Change
Source
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

$
Down Payment
%
$
%

$
$

*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

Similar Properties near 603 Sunnyside Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

70 Laurel Ridge, Watertown, CT 06779 - Photo 1 Just Listed
$400,000

70 Laurel Ridge  Watertown, CT 06779

  • Single Family
  • Active
  • Updated 5 hours ago
  • 3
    Beds
  • 3
    Total Baths
  • 1,344
    Sq. Ft.
Listed by Lamacchia Realty
307 Dwight St, Waterbury, CT 06704 - Photo 1
$419,000

307 Dwight St  Waterbury, CT 06704

  • Single Family
  • Active
  • Updated 10 days ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,914
    Sq. Ft.
Listed by Five Stars Realty
93 Wayland Ave, Waterbury, CT 06708 - Photo 1
$400,000

93 Wayland Ave  Waterbury, CT 06708

  • Single Family
  • Active
  • 3
    Beds
  • 1
    Total Bath
  • 1,300
    Sq. Ft.
Listed by eRealty Advisors, Inc.
167 Fern St, Waterbury, CT 06704 - Photo 1
$404,000
Open House

167 Fern St  Waterbury, CT 06704

  • Single Family
  • Active
  • Updated 23 hours ago
  • 3
    Beds
  • 2
    Total Baths
  • 2,214
    Sq. Ft.
Listed by Dave Jones Realty, LLC

Just Listed near 603 Sunnyside Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

500 Wilson St, Waterbury, CT 06708 - Photo 1 Just Listed
$425,000

500 Wilson St  Waterbury, CT 06708

  • Multi-Family
  • Active
  • Updated 23 hours ago
  • 6
    Total Beds
Listed by Mustafa Muaremi (860) 877-4682
1769 Watertown Ave, Waterbury, CT 06708 - Photo 1 Just Listed
$330,000

1769 Watertown Ave  Waterbury, CT 06708

  • Single Family
  • Active
  • Updated 5 days ago
  • 4
    Beds
  • 2
    Total Baths
  • 1,326
    Sq. Ft.
Listed by Colleen Zacarelli (203) 314-6460
14 Horseshoe Dr, Waterbury, CT 06706 - Photo 1 Just Listed
$230,000

14 Horseshoe Dr  Waterbury, CT 06706

  • Single Family
  • Active
  • Updated 2 days ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,008
    Sq. Ft.
Listed by Kevin Kennedy (203) 233-9675 and Laureen Kennedy (203) 671-1817
98 Granby St, Waterbury, CT 06708 - Photo 1 Just Listed
$369,000
Open House

98 Granby St  Waterbury, CT 06708

  • Single Family
  • Active
  • Updated 1 day ago
  • 3
    Beds
  • 3
    Total Baths
  • 2,380
    Sq. Ft.
Listed by Re/Max Rise

Price Reduced near 603 Sunnyside Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

[Address not provided], Waterbury, CT 06705 - Photo 1 Price Reduced
-$21,000 (-6.56%)
$299,000

[Address not provided]  Waterbury, CT 06705

  • Single Family
  • Active
  • Updated 1 day ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,470
    Sq. Ft.
Listed by Smart Realty Services Corp
102 Circuit Ave, Waterbury, CT 06708 - Photo 1 Price Reduced
-$19,900 (-6.22%)
$300,000
Open House

102 Circuit Ave  Waterbury, CT 06708

  • Single Family
  • Active
  • Updated 1 day ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,892
    Sq. Ft.
Listed by Century 21 Scala Group
38 Green St, Waterbury, CT 06708 - Photo 1 Price Reduced
-$10,000 (-1.29%)
$765,000

38 Green St  Waterbury, CT 06708

  • Multi-Family
  • Active
  • Updated 6 days ago
  • 12
    Total Beds
Listed by Brass Moon Realty
37 Byrneside Ave, Waterbury, CT 06704 - Photo 1 Price Reduced
-$20,000 (-6.25%)
$300,000
Open House

37 Byrneside Ave  Waterbury, CT 06704

  • Single Family
  • Active
  • Updated 2 days ago
  • 3
    Beds
  • 2
    Total Baths
  • 1,365
    Sq. Ft.
Listed by eXp Realty

Recent Sales near 603 Sunnyside Ave

This is a carousel with tiles that activate property listing cards. Use the previous and next buttons to navigate.

21 Ridgeway Ave, Watertown, CT 06779 - Photo 1 Sold
$425,000

21 Ridgeway Ave  Watertown, CT 06779

  • Single Family
  • Closed
  • 3
    Beds
  • 3
    Total Baths
  • 2,064
    Sq. Ft.
Listed by Showcase Realty, Inc.
Sold by William Raveis Real Estate
29 Franklin Ave, Watertown, CT 06779 - Photo 1 Sold
$370,500

29 Franklin Ave  Watertown, CT 06779

  • Single Family
  • Closed
  • 3
    Beds
  • 3
    Total Baths
  • 1,968
    Sq. Ft.
Listed by Showcase Realty, Inc.
Sold by Kelly Durrschmidt
54 Morningside Ave, Waterbury, CT 06708 - Photo 1 Sold
$380,000

54 Morningside Ave  Waterbury, CT 06708

  • Multi-Family
  • Closed
  • 5
    Total Beds
Listed by Vitale Realty
Sold by Berkshire Hathaway NE Prop.
146 Herschel Ave, Waterbury, CT 06708 - Photo 1 Sold
$347,000

146 Herschel Ave  Waterbury, CT 06708

  • Single Family
  • Closed
  • 4
    Beds
  • 2
    Total Baths
  • 1,680
    Sq. Ft.
Listed by ERA Treanor Real Estate
Sold by KW Legacy Partners

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.

Tour this property