| Primary address | 643 Peconic Street, Ronkonkoma |
| Zip code | 11779 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 85-3-42 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 07/16/2004 |
| Sale price | $427,500 |
| Arm's length | Register |
| Current property tax | $11,106 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.27 |
| 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 $41,300, the tax amount paid for 643 Peconic Street, Ronkonkoma, NY 11779 is $11,929.
When was 643 Peconic Street, Ronkonkoma, NY 11779 last sold and what was the last sale price?643 Peconic Street, Ronkonkoma, NY 11779 was last sold in 07/16/2004 for $427,500.
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 Peconic 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 643 Peconic 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 | $11,930 |
| Current property tax | $11,106 |
| Market value | $581,690 |
| Assessed value | $41,300 |
Here's the assessment & property tax history for 643 Peconic 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 | $581,690 | $41,300 | 27.581 | $11,391 | +4.79% |
| 2023-2024 | $567,308 | $41,300 | 26.321 | $10,871 | +1.30% |
| 2022-2023 | $498,793 | $41,300 | 25.984 | $10,731 | +0.86% |
| 2021-2022 | $445,043 | $41,300 | 25.763 | $10,640 | +2.14% |
| 2020-2021 | $425,773 | $41,300 | 25.224 | $10,418 | +4.15% |
The complete history of permits filed for 643 Peconic 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 Peconic 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 Peconic 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) |
|---|---|---|---|---|---|
| Helen B Duffield Elementary School | 6 | Public | K-5 | 322 | 0.32 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.56 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 0.56 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.36 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.36 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 0.26 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 1.36 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.36 |
| Samoset Middle School | 6 | Public | 6-8 | 892 | 2.74 |
| Seneca Middle School | 6 | Public | 6-8 | 973 | 2.98 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 1.25 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 2.36 |
| Sachem High School North | 8 | Public | 9-12 | 1,923 | 3.05 |
| Gersh Academy | NR | Private | 6-12 | 0 | 3.30 |
| Lake Grove School | NR | Private | 8-12 | 50 | 3.74 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 643 Peconic Street, Ronkonkoma.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 65 Cirrus Rd, Holbrook | 11/28/2000 | $230,000 | |
| 88 Hawthorne Ave, East Islip | 882 | 12/08/2021 | $410,000 |
| 18 E Elm St, Central Islip | 01/20/2015 | $246,500 | |
| 3 Carey St, East Islip | 10/13/2010 | ||
| 931 Gardiner Dr, Bay Shore | 12/07/2000 | $174,990 | |
| 32 Van Buren St, Brentwood | 05/08/2024 | $585,000 | |
| 16 Myrtle Ave, Brentwood | 2,433 | 06/11/2018 | $389,000 |
| 129 Moody Ave, Islip | 04/04/2008 | $415,000 | |
| 517 Oak Ave, Bohemia | 4,132 | 08/14/2017 | $575,000 |
| 10 Ocean Ave, Bay Shore | 10/24/2006 | $2,300,000 | |
| 223 Marion St, Sayville | 11/22/2000 | $160,000 | |
| 1161 Connetquot Ave, Central Islip | 10/31/2016 | ||
| 240 Allwood Ave, Central Islip | 11/16/2000 | $195,000 | |
| 3 Trader Ln, Brentwood | 11/29/2000 | $156,000 | |
| 48 Rodney Ave, Islip Terrace | 10/08/2014 | $320,000 | |
| 878 Union St, Bohemia | 12/06/2000 | $322,000 | |
| 135 Edwards Ave, Sayville | 1,248 | 05/20/2020 | $550,000 |
| 13 Hazel St, Central Islip | 08/10/2004 | $285,000 | |
| 376 Lowell Rd, Sayville | 11/15/2000 | $220,000 | |
| 10 Park Ave, Brentwood | 03/16/2005 |