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345 Ontario Street, Ronkonkoma, NY 11779 Property Information

345 Ontario Street, Ronkonkoma, NY 11779 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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345 Ontario Street, Ronkonkoma, NY 11779
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Address

Primary address 345 Ontario Street, Ronkonkoma
Zip code 11779
County Suffolk
Municipality Islip
Parcel ID 31-4-72

Sales & Tax Overview for 345 Ontario Street, Ronkonkoma

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 10/08/2020
Sale price $28,000
Arm's length
Property tax $8,724

Lot & Building Information for 345 Ontario Street, Ronkonkoma

Building sqft 1,258
Building class One Family Year-Round Residence (210)
Acreage 0.15
Year built 1942
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Connetquot

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Other Property Data for 345 Ontario Street, Ronkonkoma

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About 345 Ontario Street, Ronkonkoma

What is the year built & the total sq. ft. for 345 Ontario Street, Ronkonkoma, NY 11779?

345 Ontario Street, Ronkonkoma, NY 11779 was built in 1942 and has a total of 1,258 square feet.

What is the assessed value of 345 Ontario Street, Ronkonkoma, NY 11779 and the property tax paid?

Assessed at $30,200, the tax amount paid for 345 Ontario Street, Ronkonkoma, NY 11779 is $8,723.

When was 345 Ontario Street, Ronkonkoma, NY 11779 last sold and what was the last sale price?

345 Ontario Street, Ronkonkoma, NY 11779 was last sold in 10/08/2020 for $28,000.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Research 100M+ property records powered by:
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Past Sales & Property History for 345 Ontario Street, Ronkonkoma

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Purchase date Purchase price Buyer name Seller name
10/08/2020 $28,000
07/31/1998 $126,000
       
       
       
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Title Documents for 345 Ontario Street, Ronkonkoma

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Date Type Amount Party 1 Party 2 Doc image
10/08/2020 - D
03/03/2021 - R
Deed
(Quitclaim)
07/31/1998 - D
08/17/1998 - R
Deed
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 345 Ontario Street, Ronkonkoma

Access detailed property tax data for 345 Ontario Street, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $8,724
Market value $425,352
Assessed value $30,200

Assessment History for 345 Ontario Street, Ronkonkoma

Here's the assessment & property tax history for 345 Ontario Street, Ronkonkoma, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2024-2025 $425,352 $30,200 27.581 $8,329 +4.79%
2023-2024 $414,836 $30,200 26.321 $7,949 +1.30%
2022-2023 $364,734 $30,200 25.984 $7,847 +0.86%
2021-2022 $325,431 $30,200 25.763 $7,780 +2.14%
2020-2021 $311,340 $30,200 25.224 $7,618 +4.15%

Permits for 345 Ontario Street, Ronkonkoma

The complete history of permits filed for 345 Ontario Street, Ronkonkoma, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

Create a free account to unlock extended information for 345 Ontario Street, Ronkonkoma, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)

Transportation

Access the detailed traffic volume map for 345 Ontario Street, Ronkonkoma to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Cherokee Street Elementary School 5 Public K-5 592 0.62
Edith L Slocum Elementary School 6 Public PK, K-5 272 0.72
Edith L Slocum Elementary School 6 Public PK, K-5 272 0.72
St Joseph School NR Private PK, K-8 212 0.95
St Joseph School NR Private PK, K-8 212 0.95

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
St Joseph School NR Private PK, K-8 212 0.95
Cleary School For The Deaf NR Private PK-12 79 1.12
Ronkonkoma Middle School 8 Public 6-8 672 1.20
Samoset Middle School 6 Public 6-8 892 2.10
Great Hollow Middle School 7 Public 6-8 828 2.31

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Cleary School For The Deaf NR Private PK-12 79 1.12
Sachem High School North 8 Public 9-12 1,923 2.30
Connetquot High School 8 Public 9-12 1,757 2.35
Lake Grove School NR Private 8-12 50 2.68
Gersh Academy NR Private 6-12 0 2.77

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 345 Ontario Street, Ronkonkoma

Here are the neighbors for 345 Ontario Street, Ronkonkoma.

Address Square feet Purchase date Purchase price
1242 Hyman Ave, Bay Shore 2,154 10/25/2017 $393,000
90 Bayview Ave, Bayport 02/06/2001 $182,000
67 Cross Rd, Oakdale 10/28/2011 $300,000
6 Juniper St, Islip 2,238 09/30/2019 $499,000
512 Freeman Ave, Brentwood 05/03/2005 $370,000
212 Asharoken Blvd, Bay Shore 07/25/2016 $295,000
648 N Briarwood Ave, West Islip 1,667 05/22/2017 $392,800
231 Iroquois St, Ronkonkoma 1,090 11/29/2021
2619 Union Blvd, Islip 03/28/2003 $278,000
35 Ralph Ave, Brentwood 09/05/2003 $285,000
30 N Clinton Ave, Bay Shore 2,643 03/10/2021
1669 Washington Ave, Bohemia 1,908 06/05/2017 $315,000
32 Sandpiper Ln, East Islip 03/16/2015 $400,000
84 Beatrice Ave, West Islip 04/01/2016 $418,000
211 Shelter Rd, Ronkonkoma 08/05/1998 $152,500
15 Lexington Ave, Brentwood 04/06/1998 $165,000
31 Montauk Dr, Bay Shore 2,662 05/30/2019 $307,000
35 Barrett Ave, Bayport 07/30/1998 $185,000
1090 Joselson Ave, Bay Shore 04/27/2005
837 Pine Ave, West Islip 01/29/2003 $506,500

Nearby ZIP Codes for 345 Ontario Street, Ronkonkoma

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