| Primary address | 21 South Drive, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 33-1-35 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $2,935 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.11 |
| 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 $36,700, the tax amount paid for 21 South Drive, Ronkonkoma, NY 11779 is $10,601.
When was 21 South Drive, Ronkonkoma, NY 11779 last sold?21 South Drive, Ronkonkoma, NY 11779 was last sold in 03/07/2015.
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 South Drive, 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 South Drive, Ronkonkoma, NY 11779. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $10,601 |
| Current property tax | $2,935 |
| Market value | $516,901 |
| Assessed value | $36,700 |
Here's the assessment & property tax history for 21 South Drive, 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 | $516,901 | $36,700 | 27.581 | $10,122 | +4.79% |
| 2023-2024 | $504,121 | $36,700 | 26.321 | $9,660 | +1.30% |
| 2022-2023 | $443,237 | $36,700 | 25.984 | $9,536 | +0.86% |
| 2021-2022 | $395,474 | $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 South Drive, 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 South Drive, 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 South Drive, 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) |
|---|---|---|---|---|---|
| St Joseph School | NR | Private | PK, K-8 | 212 | 0.22 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 0.22 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.88 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.88 |
| Helen B Duffield Elementary School | 6 | Public | K-5 | 322 | 1.29 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Joseph School | NR | Private | PK, K-8 | 212 | 0.22 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.36 |
| Samoset Middle School | 6 | Public | 6-8 | 892 | 1.43 |
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.49 |
| Lake Grove School | NR | Private | 8-12 | 50 | 2.37 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.36 |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 1.70 |
| Lake Grove School | NR | Private | 8-12 | 50 | 2.37 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.64 |
| Gersh Academy | NR | Private | 6-12 | 0 | 3.53 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 South Drive, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 29 Maryland Ave, Bay Shore | 05/27/2005 | $350,200 | |
| 3 Jenna CT, Holbrook | 09/26/2003 | $485,000 | |
| 6 2nd Ave, Central Islip | 08/15/2006 | $440,000 | |
| 90 Islip Blvd, Islip | 08/12/2003 | $10 | |
| 29 Hilliard Ave, Central Islip | 2,307 | 01/27/2025 | |
| 458 Shore Dr, Oakdale | 07/17/2014 | $729,750 | |
| 4 Nassau St, Islip Terrace | 08/08/2022 | $575,000 | |
| 178 Westwood Dr, Brentwood | 1,148 | 08/27/2009 | $280,000 |
| 256 Barleau St, Brentwood | 05/27/2003 | ||
| 24 Massachusetts Ave, Bay Shore | 05/28/2013 | $242,050 | |
| 52 Colony Dr, Holbrook | 1,984 | 09/17/2003 | |
| 46 Jefferson Ave, Brentwood | 1,020 | 06/07/2023 | $525,000 |
| 1643 Brentwood Rd, Brentwood | 09/28/2006 | $402,800 | |
| 1084 Brookdale Ave, Bay Shore | 10/01/2003 | $195,000 | |
| 167 Hilltop Dr, Brentwood | 09/03/2014 | $270,000 | |
| 555 Connetquot Ave, Islip Terrace | 1,203 | 03/31/2022 | $495,000 |
| 31 Thrush Dr, Brentwood | 02/13/2008 | ||
| 1581 Roosevelt Ave, Bohemia | 1,849 | 04/11/2019 | $449,000 |
| 11 Cranberry St, Central Islip | 09/23/2003 | $258,000 | |
| 320 Clayton St, Central Islip | 01/19/2012 | $185,000 |