| Primary address | 21 West 5th Street, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 20-4-12.1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 09/21/2023 |
| Sale price | $560,000 |
| Arm's length | Register |
| Property tax | $11,439 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.24 |
| Units | 2 |
| 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 $39,600, the tax amount paid for 21 West 5th Street, Ronkonkoma, NY 11779 is $11,438.
When was 21 West 5th Street, Ronkonkoma, NY 11779 last sold and what was the last sale price?21 West 5th Street, Ronkonkoma, NY 11779 was last sold in 09/21/2023 for $560,000.
How many residential units does this building have?This building has 2 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 21 West 5th Street, Ronkonkoma, including title documents, transfer conditions, mortgages and liens.
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 21 West 5th 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 | $11,439 |
| Market value | $557,746 |
| Assessed value | $39,600 |
Here's the assessment & property tax history for 21 West 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 |
|---|---|---|---|---|---|
| 2024-2025 | $557,746 | $39,600 | 27.581 | $10,922 | +13.07% |
| 2023-2024 | $504,120 | $36,700 | 26.321 | $9,660 | +1.30% |
| 2022-2023 | $443,237 | $36,700 | 25.984 | $9,536 | +0.86% |
| 2021-2022 | $395,475 | $36,700 | 25.763 | $9,455 | +2.14% |
| 2020-2021 | $378,351 | $36,700 | 25.224 | $9,257 | +4.15% |
The complete history of permits filed for 21 West 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 21 West 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 21 West 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 to school (mi) |
|---|---|---|---|---|---|
| Cherokee Street Elementary School | 5 | Public | K-5 | 592 | 0.55 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 0.58 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 0.58 |
| Tackan Elementary School | 7 | Public | K-5 | 499 | 1.12 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.16 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 0.58 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.16 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.73 |
| Great Hollow Middle School | 7 | Public | 6-8 | 828 | 1.85 |
| Samoset Middle School | 6 | Public | 6-8 | 892 | 1.94 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 0.58 |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 2.07 |
| Lake Grove School | NR | Private | 8-12 | 50 | 2.24 |
| Gersh Academy | NR | Private | 6-12 | 0 | 2.75 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.87 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 West 5th Street, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 349 Central Islip Blvd, Ronkonkoma | 10/29/2008 | ||
| 11 W 6th St, Ronkonkoma | 1,368 | 06/01/2021 | |
| 236 N Ontario St, Ronkonkoma | 1,306 | 07/23/2025 | $610,000 |
| 41 Broadway, Ronkonkoma | 2,068 | 12/26/2018 | $410,000 |
| 359 Central Islip Blvd, Ronkonkoma | 1,344 | 10/01/2025 | |
| 238 N Ontario St, Ronkonkoma | 864 | 10/06/2021 | $300,000 |
| 30 W 4th St, Ronkonkoma | 06/28/2010 | $310,000 | |
| 238 Cherokee St, Ronkonkoma | 1,784 | ||
| 64 W 3rd St, Ronkonkoma | 06/01/2022 | ||
| 51 W 4th St, Ronkonkoma | |||
| 208 N Ontario St, Ronkonkoma | |||
| 233 N Ontario St, Ronkonkoma | |||
| 303 Central Islip Blvd, Ronkonkoma | 06/10/2016 | ||
| 50 W 3rd St, Ronkonkoma | 01/16/2020 | $417,000 | |
| 339 Central Islip Blvd, Ronkonkoma | 1,106 | 08/05/2019 | |
| 272 Central Islip Blvd, Ronkonkoma | |||
| 204 Seneca St, Ronkonkoma | |||
| 46 Broadway, Ronkonkoma | |||
| 234 Cherokee St, Ronkonkoma | 12/16/2013 | $307,000 | |
| 228 N Ontario St, Ronkonkoma | 1,357 | 06/14/2018 | $370,000 |