| Primary address | 261 Ontario Street, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 31-3-42 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 07/12/2017 |
| Sale price | $299,092 |
| Arm's length | Register |
| Property tax | $16,349 |
| Building sqft | 2,807 |
| Building class | Three Family Year-Round Residence (230) |
| Acreage | 0.38 |
| Year built | 1968 |
| Units | 3 |
| Zoning district | Register |
| School district | Connetquot |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
261 Ontario Street, Ronkonkoma, NY 11779 was built in 1968 and has a total of 2,807 square feet.
What is the assessed value of 261 Ontario Street, Ronkonkoma, NY 11779 and the property tax paid?Assessed at $56,600, the tax amount paid for 261 Ontario Street, Ronkonkoma, NY 11779 is $16,349.
When was 261 Ontario Street, Ronkonkoma, NY 11779 last sold and what was the last sale price?261 Ontario Street, Ronkonkoma, NY 11779 was last sold in 07/12/2017 for $299,092.
How many residential units does this building have?This building has 3 residential unit(s).
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 261 Ontario Street, Ronkonkoma, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 261 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 | $16,349 |
| Market value | $797,183 |
| Assessed value | $56,600 |
Here's the assessment & property tax history for 261 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 | $698,591 | $49,600 | 27.581 | $13,680 | +4.79% |
| 2023-2024 | $681,319 | $49,600 | 26.321 | $13,055 | +1.30% |
| 2022-2023 | $599,034 | $49,600 | 25.984 | $12,888 | +0.86% |
| 2021-2022 | $534,483 | $49,600 | 25.763 | $12,778 | +2.14% |
| 2020-2021 | $511,340 | $49,600 | 25.224 | $12,511 | +4.15% |
The complete history of permits filed for 261 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.
Create a free account to unlock extended information for 261 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) |
Access the detailed traffic volume map for 261 Ontario Street, Ronkonkoma to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cherokee Street Elementary School | 5 | Public | K-5 | 592 | 0.40 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.86 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.86 |
| Helen B Duffield Elementary School | 6 | Public | K-5 | 322 | 1.04 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.12 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.12 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.23 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.23 |
| Great Hollow Middle School | 7 | Public | 6-8 | 828 | 2.17 |
| Samoset Middle School | 6 | Public | 6-8 | 892 | 2.34 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.12 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.33 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.49 |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 2.53 |
| Lake Grove School | NR | Private | 8-12 | 50 | 2.81 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 261 Ontario Street, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 129 Park Ave, Hauppauge | 12/13/2005 | ||
| 39 Gridley St, West Islip | 1,524 | 11/29/2017 | $374,500 |
| 231 George St, West Islip | 03/17/2011 | $10 | |
| 10 E Halley Ln, Central Islip | 1,508 | 04/25/2017 | |
| 225 Newberry St, Brentwood | 1,946 | 03/17/2020 | $415,000 |
| 44 Drayton Ave, Bay Shore | 1,156 | 02/23/2020 | |
| 301 Haven Ave, Ronkonkoma | 1,794 | 05/23/2017 | |
| 314 Hunter Ave, West Islip | 03/23/2012 | ||
| 83 Joanne Dr, Holbrook | 10/25/1999 | $154,500 | |
| 15 Stellenwerf Ave, East Islip | 05/27/2003 | $294,000 | |
| 52 E Walnut St, Central Islip | 1,008 | 02/01/2024 | |
| 122 Rhode Island Ave, Bay Shore | 08/18/2006 | ||
| 1922 Julia Goldbach Ave, Ronkonkoma | 11/17/1999 | $235,000 | |
| 145 2nd Ave, Brentwood | 03/27/2025 | $112,000 | |
| 59 Lakeland Ave, Sayville | 1,790 | 02/07/2019 | $500,000 |
| 21 Winston Dr, Brentwood | 02/12/2008 | $10 | |
| 1701 Westwood Blvd, Bay Shore | 2,172 | 06/05/2018 | $210,500 |
| 99 Paris CT, West Islip | 07/09/2023 | $175,000 | |
| 91 Cliff Ave, Sayville | 11/29/1999 | $165,750 | |
| 186 Commercial Blvd, Brentwood | 09/17/2007 | $515,000 |