Pending

$550,000

345 Ontario Street, Ronkonkoma, NY 11779

3beds

1,258sqft

Single Family Residence, Residential

Built in 1942

6,534 Square Feet Lot

$-- Zestimate^®

$437/sqft

$-- HOA

What's special

Modern finishesFirst-floor bedroomQuiet streetThoughtful design

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!

70 days

129

6

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 3
Bathrooms: 2
Full bathrooms: 1
1/2 bathrooms: 1

Heating

Baseboard, Oil

Cooling

Wall/Window Unit(s)

Appliances

Included: Dishwasher, Dryer, Electric Oven, Microwave, Washer
Laundry: Washer/Dryer Hookup, In Basement

Features

First Floor Bedroom
Basement: Partial,Walk-Out Access
Attic: Partial
Has fireplace: No

Interior area

Total structure area: 1,716
Total interior livable area: 1,258 sqft

Property

Parking

Total spaces: 2
Parking features: Driveway
Has uncovered spaces: Yes

Features

Levels: Two
Fencing: Back Yard

Lot

Size: 6,534 Square Feet
Features: Back Yard, Front Yard, Near Public Transit, Near School, Near Shops

Details

Parcel number: 0500031000400072000
Special conditions: None

Construction

Type & style

Home type: SingleFamily
Architectural style: Cape Cod
Property subtype: Single Family Residence, Residential

Materials

Frame

Condition

Year built: 1942

Utilities & green energy

Sewer: Cesspool
Water: Public
Utilities for property: Electricity Connected

Community & HOA

HOA

Has HOA: No

Location

Region: Ronkonkoma

Financial & listing details

Price per square foot: $437/sqft
Tax assessed value: $30,200
Annual tax amount: $9,853
Date on market: 4/22/2026
Cumulative days on market: 84 days
Listing agreement: Exclusive Right To Sell
Electric utility on property: Yes

Estimated market value

Not available

Estimated sales range

Not available

Price history

Date	Event	Price
5/27/2026	Pending sale	$550,000$437/sqft
Source: OneKey® MLS as distributed by MLS GRID #988564 Report a problem
5/7/2026	Listing removed	$550,000$437/sqft
Source: OneKey® MLS as distributed by MLS GRID #988564 Report a problem
4/22/2026	Listed for sale	$550,000+1864.3%$437/sqft
Source: OneKey® MLS as distributed by MLS GRID #988564 Report a problem
3/3/2021	Sold	$28,000-90%$22/sqft
Source: Public Record Report a problem
5/8/2009	Listing removed	$279,990$223/sqft
Source: NRT TriStates #2160730 Report a problem
4/17/2009	Price change	$279,990-6.6%$223/sqft
Source: NRT TriStates #2160730 Report a problem
3/14/2009	Price change	$299,900-3.3%$238/sqft
Source: NRT TriStates #2160730 Report a problem
3/1/2009	Listed for sale	$309,990+146%$246/sqft
Source: NRT TriStates #2160730 Report a problem
8/17/1998	Sold	$126,000$100/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	--	$30,200
2024	--	$30,200
2023	--	$30,200
2022	--	$30,200
2021	--	$30,200
2020	--	$30,200
2019	--	$30,200
2018	--	$30,200
2017	$7,456	$30,200
2016	--	$30,200
2015	--	$30,200
2014	--	$30,200
2013	--	$30,200
2012	--	$30,200
2011	--	$30,200
2010	--	$30,200
2009	--	$30,200
2008	--	$30,200
2007	$5,235 +19%	$30,200
2005	$4,399 +10.1%	$30,200
2004	$3,995 -14.8%	$30,200
2003	$4,690 +5.7%	$30,200
2002	$4,437	$30,200
2001	--	$30,200
2000	$3,924	$30,200

Find assessor info on the county website

Monthly payment

Estimated monthly payment$1,822

Principal & interest
$1,547
Mortgage insurance
$0
Property taxes
$170
Home insurance
$105
HOA fees
$0
Utilities
Not included

All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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Climate risks

Neighborhood: 11779

Getting around

18 / 100

Car-Dependent

17 / 100

Somewhat Bikeable

Nearby schools

GreatSchools rating

3/10
Cherokee Street Elementary School
Grades: K-5Distance: 0.6 mi
4/10
Ronkonkoma Middle School
Grades: 6-8Distance: 1.2 mi
9/10
Connetquot High School
Grades: 9-12Distance: 2.4 mi

Schools provided by the listing agent

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

Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.