| Primary address | 643 5th Street, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 126-1-63 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $8,467 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.3 |
| 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:
Assessed at $37,500, the tax amount paid for 643 5th Street, Ronkonkoma, NY 11779 is $10,832.
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 643 5th Street, Ronkonkoma, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 643 5th Street, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $10,832 |
| Current property tax | $8,467 |
| Market value | $528,169 |
| Assessed value | $37,500 |
Here's the assessment & property tax history for 643 5th 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 |
|---|---|---|---|---|---|
| 2025-2026 | $528,169 | $37,500 | 28.886 | $10,832 | +4.73% |
| 2024-2025 | $528,169 | $37,500 | 27.581 | $10,343 | +4.79% |
| 2023-2024 | $515,110 | $37,500 | 26.321 | $9,870 | +1.30% |
| 2022-2023 | $452,898 | $37,500 | 25.984 | $9,744 | +0.86% |
| 2021-2022 | $404,095 | $37,500 | 25.763 | $9,661 | +2.14% |
The complete history of permits filed for 643 5th 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 643 5th 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 643 5th 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 (miles) |
|---|---|---|---|---|---|
| Helen B Duffield Elementary School | 6 | Public | K-5 | 322 | 0.79 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 1.10 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 1.10 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.86 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.86 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 0.60 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.86 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.89 |
| Sayville Middle School | 7 | Public | 6-8 | 619 | 3.07 |
| Seneca Middle School | 6 | Public | 6-8 | 973 | 3.09 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 0.79 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.89 |
| Gersh Academy | NR | Private | 6-12 | 0 | 3.51 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 3.51 | |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 3.55 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 643 5th Street, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 663 6th St, Ronkonkoma | 04/17/2014 | ||
| 55 Fleetwood CT, Ronkonkoma | |||
| 1882 Feuereisen Ave, Ronkonkoma | |||
| 1952 Feuereisen Ave, Ronkonkoma | |||
| 2020 Feuereisen Ave, Ronkonkoma | |||
| 1960 Feuereisen Ave, Ronkonkoma | 11/17/2023 | ||
| 647 5th St, Ronkonkoma | 11/10/2016 | $350,000 | |
| 1892 Feuereisen Ave, Ronkonkoma | 12/03/2015 | $544,000 | |
| 675 6th St, Ronkonkoma | 07/03/2025 | $500,000 | |
| 640 6th St, Ronkonkoma | 10/16/2013 | ||
| 1888 Feuereisen Ave, Ronkonkoma | 11/09/2022 | $355,000 | |
| 1846 Feuereisen Ave, Ronkonkoma | |||
| 40 Fleetwood CT, Ronkonkoma | 14,360 | 11/09/2022 | $2,870,000 |
| 171 Remington Blvd, Ronkonkoma | 19,944 | 09/12/2024 | $4,178,000 |
| 1862 Feuereisen Ave, Ronkonkoma | 1,706 | 03/01/2019 | $477,500 |
| 1805 Louis Kossuth Ave, Ronkonkoma | 01/25/2020 | ||
| 1851 Louis Kossuth Ave, Ronkonkoma | |||
| 1936 Feuereisen Ave, Ronkonkoma | |||
| 50 Fleetwood CT, Ronkonkoma | 14,312 | 08/25/2010 | $1,460,000 |
| 15 Fleetwood CT, Ronkonkoma | 10,059 |