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$550,000 Sale Pending

  • For Sale
  • Pending
  • Single Family
  • 3 Beds
  • 1 Full Bath
  • 1 Partial Bath
  • 1,716 Sq. Ft.
  • Updated 3 days ago
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Some homes check boxes. This one opens doors. Welcome to 345 Ontario Street, a warm, well-loved home in Ronkonkoma ready for its next chapter. 3 bedrooms, 1.5 baths, layout that actually works. The kitchen was recently renovated, not a flip job, actually done right. Modern finishes, thoughtful design, flows into the main living areas naturally. First-floor bedroom is a standout. Multigenerational living, guest privacy, or just flexibility, it's already built in. Downstairs you'll find a bonus space with its own outside entrance. Home office, hobby room, creative use, buyers with imagination will see the potential. Quiet street. Commuter-friendly with LIRR access. This won't last long, get to the open house!

Full Property Details for 345 Ontario St

General

  • Price: $550,000
  • Taxes: $9,853
  • Status: Pending
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 988564
  • Updated: 5/27/2026
  • Added to Site: 38 day(s) ago

Interior

  • Number of Rooms: 5
  • Interior Features: First Floor Bedroom, Washer/Dryer Hookup
  • Appliances: Dishwasher, Dryer, Electric Oven, Microwave, Washer
  • Laundry Facilities: Yes

Rooms

Bathrooms

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

Bedrooms

  • Total Bedrooms: 3

Other Rooms

  • Laundry: In Basement

Parking

  • Total Spaces: 2
  • Parking Features: Driveway

Location

  • County: Suffolk County
  • Driving Directions: Express Dr. N to Belle Ave to Ontario

School Information

  • High School District: Connetquot
  • Elementary School: Cherokee Street Elementary School
  • Middle School: Ronkonkoma Middle School
  • High School: Connetquot High School

Heating & Cooling

  • Cooling Type: Wall/Window Unit(s)
  • Heating Type: Baseboard, Oil
  • Heating Zones: 2

Utilities

  • Sewer: Cesspool
  • Water: Public
  • Utility Description: Electricity Connected

Structural Information

  • Architectural Style: Cape Cod
  • Detached/Attached: Detached
  • Construction: Frame
  • Basement: Yes
  • Basement Desc.: Partial, Walk-Out Access
  • Building Size: 1716
  • Square Feet: 1,716
  • Sq. Ft. Source: Public Records
  • Year Built: 1942

Lot Features

  • Lot Size (Acres): 0.15
  • Lot Size (Sq. Ft.): 6,534
  • Fence: Yes
  • Lot Features: Back Yard, Front Yard, Near Public Transit, Near School, Near Shops
  • Fencing (Description): Back Yard

Financial Considerations

  • Tax Amount: $9,853

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 0500-031-00-04-00-072-000

Listed by OverSouth LLC

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Listing agent

— 345 Ontario St —

  • OverSouth LLC

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Schools serving 345 Ontario St

School District:Connetquot Central School District
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 345 Ontario St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
4/22/2026
Listed
$550,000
1864.29%
MLS
10/06/2020
Sold
$28,000
—
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 345 Ontario St

Year
Property Taxes
Change
Tax Assessment
Change
2024
$7,874
100%
$30,200
—
2020
100%
$30,200
—
2022
-100%
$30,200
—
2016
$7,456
9%
$30,200
—
2017
$6,857
—
$30,200
—
2016
$6,851
—
$30,200
—
2015
$6,861
1%
$30,200
—
2015
$6,805
4%
$30,200
—
2014
$6,552
4%
$30,200
—
2013
$6,294
—
$30,200
—
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 345 Ontario St

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

Listed by OverSouth LLC

345 Ontario Street, Ronkonkoma, NY 11779 (MLS# 988564) is a Single Family property with 3 bedrooms, 1 full bathroom and 1 partial bathroom. 345 Ontario Street is currently listed for $550,000 and was received on April 22, 2026. Want to learn more about 345 Ontario Street? Do you have questions about finding other Single Family real estate for sale in Ronkonkoma? You can browse all Ronkonkoma real estate or contact a Coldwell Banker agent to request more information.

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