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345 Ontario Street Ronkonkoma, NY $ 550,000
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345 Ontario Street
$ 550,000
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345 Ontario Street

Ronkonkoma, NY, 11779
$ 550,000
Bedrooms3 Baths1.1 Sq 1,258

Monthly Estimate*

$ 3,386

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Single Family Home for sale in Ronkonkoma, NY

for $550,000 with 3 bedrooms and 1 full bath, 1 half bath. This 1,258 square foot home was built in 1942 on a lot size of 0.15.

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!

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Single Family Active

Price

$ 550,000

Bedrooms

3

Full Bath

1

Half Bath

1

Property Type

Single Family

Taxes

$ 9,853

Style

Cape Cod

Lot Size

0.15

Year Built

1942

Town/City

Ronkonkoma

County/Region

Suffolk

MLS | Web ID

988564
Features
Interior
Interior Amenities First Floor Bedroom Washer/Dryer Hookup
Basement Partial Walk-Out Access
Basement Features Partial Walk-Out Access
Basement (Y/N) Y
Fireplace Y/N N
Half Baths 1
Total Bedrooms 3
Total Baths 2
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General
Sewer Cesspool
Heating Baseboard Oil
Cooling Wall/Window Unit(s)
Utilities Electricity Connected
Appliances Dishwasher Dryer Electric Oven Microwave Washer
Architectural Style Cape Cod
Construction Materials Frame
Year Built 1942
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 0500-031-00-04-00-072-000
County Suffolk County
Property Type Residential
HOA N
Garage Y/N N
Total Rooms 5
Full Baths 1
Directions Express Dr. N to Belle Ave to Ontario
High School Connetquot High School
City Islip
Senior Community Y/N N
High School District Connetquot
Carport Y/N N
Elementary School Cherokee Street Elementary School
Property Attached Y/N N
Tax Annual Amount 9853
Middle/Junior High School Ronkonkoma Middle School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Connetquot
Elementary School District Connetquot
Tax Assessed Value 30200
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Exterior
Fencing Back Yard
Parking Features Driveway Driveway
Water Source Public
Total Parking 2
Parking Spaces 2
Spa N
Building Area Total 1716
Waterfront Y/N N
Horse Y/N N
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Internal Only
Street Number 1 345
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* Excluded Features
List By
Conor Hertell

Listing Agent

Oversouth Llc

Broker

conor@buyorsellcallhertell.com

Email

Affordability Calculator

$4,208
Per Month
80%
20%
0%
Monthly Principal & Interest
$3,386
Monthly Property Taxes
$821
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4101080 Elementary School
4099118 Middle School
Connetquot High School High School
See complete school information
Pricing History
DatePricePrice ChangeDescription
4/22/2026$550,000 Listed Price

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345 Ontario Street, Ronkonkoma, NY, 11779 is a Single Family Home for sale at $550,000 with 1,258 sqft and a lot size of 0.15. 345 Ontario Street has 3 bedrooms, 1.1 baths, and was built in 1942. The property's zip code is 11779 which is in Ronkonkoma, NY

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