| Primary address | 20 Oak Street, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Brookhaven |
| Parcel ID | 6227820 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 09/01/2020 |
| Sale price | $390,000 |
| Arm's length | Register |
| Property tax | $8,063 |
| Building sqft | 1,760 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.09 |
| Year built | 1975 |
| Rooms | 8 |
| Bedrooms | 4 |
| Bathrooms | 2 |
| School district | Sachem |
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:
20 Oak Street, Ronkonkoma, NY 11779 was built in 1975 and has a total of 1,760 square feet.
What is the assessed value of 20 Oak Street, Ronkonkoma, NY 11779 and the property tax paid?Assessed at $2,420, the tax amount paid for 20 Oak Street, Ronkonkoma, NY 11779 is $8,062.
When was 20 Oak Street, Ronkonkoma, NY 11779 last sold and what was the last sale price?20 Oak Street, Ronkonkoma, NY 11779 was last sold in 09/01/2020 for $390,000.
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 20 Oak Street, Ronkonkoma, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 09/01/2020 | $390,000 | Register | Register |
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 20 Oak 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 | $8,063 |
| Market value | $456,603 |
| Assessed value | $2,420 |
Here's the assessment & property tax history for 20 Oak 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 | $456,603 | $2,420 | 319.873 | $7,741 | -32.30% |
| 2023-2024 | $537,037 | $2,900 | 394.293 | $11,434 | +28.59% |
| 2022-2023 | $467,742 | $2,900 | 306.626 | $8,892 | +3.91% |
| 2021-2022 | $391,892 | $2,900 | 295.101 | $8,558 | +2.01% |
| 2020-2021 | $376,623 | $2,900 | 289.278 | $8,389 | +2.07% |
The complete history of permits filed for 20 Oak 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 20 Oak 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 20 Oak 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) |
|---|---|---|---|---|---|
| Maimonides Day School | NR | Private | PK, K-3 | 25 | 0.36 |
| Maimonides Day School | NR | Private | PK, K-3 | 25 | 0.36 |
| Cayuga School | 6 | Public | K-5 | 516 | 0.42 |
| Wenonah School | 6 | Public | K-5 | 479 | 0.78 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.11 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Samoset Middle School | 6 | Public | 6-8 | 892 | 0.95 |
| Lake Grove School | NR | Private | 8-12 | 50 | 1.00 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.11 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.48 |
| Great Hollow Middle School | 7 | Public | 6-8 | 828 | 2.27 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 0.88 |
| Lake Grove School | NR | Private | 8-12 | 50 | 1.00 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.11 |
| Our Savior New American School | NR | Private | PK, K-12 | 122 | 2.52 |
| Centereach High School | 6 | Public | 9-12 | 1,475 | 3.00 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 Oak Street, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 7 Oak St, Lake Grove | 05/25/2007 | $355,000 | |
| 23 Oak St, Ronkonkoma | 1,032 | ||
| 36 Oak St, Lake Grove | 03/19/1996 | $85,000 | |
| 133 Maple St, Lake Grove | 11/15/2016 | $345,000 | |
| 12 Oak St, Ronkonkoma | 1,244 | 03/28/2012 | |
| 32 Oak St, Lake Grove | 806 | 06/24/2002 | $180,500 |
| 44 Oak St, Lake Grove | 584 | 06/13/2022 | $670,000 |
| 30 Oak St, Lake Grove | 1,170 | 09/24/2021 | $417,500 |
| 16 Oak St, Lake Grove | 1,124 | ||
| 8 Oak St, Lake Grove | 2,341 | ||
| 11 Oak St, Lake Grove | 12/12/2014 | $269,990 | |
| 23 Oak St, Lake Grove | 598 | 07/17/2023 | $406,850 |
| 26 Oak St, Lake Grove | 783 | 10/02/2025 | |
| 55 Cedar Grove Ave, Lake Grove | 3,220 | 06/11/2018 | $560,000 |
| 17 Oak St, Lake Grove | 2,433 | ||
| 27 Oak St, Lake Grove | 02/10/2016 | ||
| 38 Oak St, Lake Grove | 1,080 | ||
| 141 Maple St S, Lake Grove | 1,184 | 01/03/2003 | $262,000 |
| 24 Oak St, Lake Grove | 960 | 03/30/2022 | $499,000 |
| 46 Oak St, Lake Grove | 1,587 | 04/17/2020 | $425,000 |