| Primary address | 9 Thaddeus Lane, West Islip |
| Zip code | 11795 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 466-2-84 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $12,500 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.2 |
| Zoning district | Register |
| School district | West Islip |
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 $44,100, the tax amount paid for 9 Thaddeus Lane, West Islip, NY 11795 is $12,772.
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 9 Thaddeus Lane, West Islip, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 9 Thaddeus Lane, West Islip, NY 11795. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $12,773 |
| Current property tax | $12,500 |
| Market value | $621,126 |
| Assessed value | $44,100 |
Here's the assessment & property tax history for 9 Thaddeus Lane, West Islip, 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 | $621,126 | $44,100 | 27.624 | $12,182 | +3.86% |
| 2023-2024 | $605,769 | $44,100 | 26.598 | $11,730 | +1.06% |
| 2022-2023 | $532,609 | $44,100 | 26.319 | $11,607 | +0.07% |
| 2021-2022 | $475,216 | $44,100 | 26.301 | $11,599 | +2.12% |
| 2020-2021 | $454,639 | $44,100 | 25.754 | $11,358 | -23.63% |
The complete history of permits filed for 9 Thaddeus Lane, West Islip, 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 9 Thaddeus Lane, West Islip, 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 9 Thaddeus Lane, West Islip 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) |
|---|---|---|---|---|---|
| Paul J Bellew Elementary School | 7 | Public | PK, K-5 | 456 | 0.17 |
| Paul J Bellew Elementary School | 7 | Public | PK, K-5 | 456 | 0.17 |
| Babylon Christian School | NR | Private | PK, K-5 | 90 | 0.71 |
| Babylon Christian School | NR | Private | PK, K-5 | 90 | 0.71 |
| South Bay Jr Academy Of Sda | NR | Private | PK-8 | 56 | 0.87 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Beach Street Middle School | 6 | Public | 6-8 | 405 | 0.60 |
| Babylon Junior Senior High School | 5 | Public | 7-12 | 703 | 0.85 |
| South Bay Jr Academy Of Sda | NR | Private | PK-8 | 56 | 0.87 |
| The Bridges Academy | NR | Private | PK, K-8 | 0 | 1.16 |
| Bridges Academy (The) | NR | Private | PK-8 | 211 | 1.18 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| West Islip Senior High School | 9 | Public | 9-12 | 1,262 | 0.40 |
| Babylon Junior Senior High School | 5 | Public | 7-12 | 703 | 0.85 |
| St John The Baptist Diocesan High School | NR | Private | 9-12 | 1,335 | 0.92 |
| West Babylon Senior High School | 7 | Public | 9-12 | 1,247 | 1.90 |
| North Babylon High School | 6 | Public | 9-12 | 1,506 | 2.11 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 9 Thaddeus Lane, West Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 64 Church Ln, West Islip | 09/13/2022 | ||
| 30 Parkwood Rd, West Islip | 02/10/1995 | $270,000 | |
| 35 Sylvan CT, West Islip | |||
| 22 LA Grange Pl, West Islip | 10/30/2009 | ||
| 88 Edgewood Rd, West Islip | |||
| 60 Edgewood Rd, West Islip | 1,968 | 03/01/2018 | $557,500 |
| 54 Church Ln, West Islip | |||
| 35 Dubois Rd, West Islip | |||
| 23 Dubois Rd, West Islip | |||
| 18 Udalia Rd, West Islip | 1,131 | 05/30/2018 | $439,000 |
| 66 Edgewood Rd, West Islip | 1,588 | 05/11/2018 | $381,000 |
| 7 Thaddeus Ln, West Islip | 10/07/2013 | ||
| 121 Wilherm Ln, West Islip | 06/06/2014 | $342,500 | |
| 60 Udalia Rd, West Islip | 1,150 | 07/10/2020 | |
| 37 Dubois Rd, West Islip | |||
| 27 Dubois Rd, West Islip | 09/30/2022 | $490,000 | |
| 36 Parkwood Rd, West Islip | 05/26/1995 | $273,750 | |
| 129 Wilherm Ln, West Islip | 03/27/2009 | $440,000 | |
| 14 LA Grange Pl, West Islip | 1,860 | 11/01/2024 | |
| 40 Parkwood Rd, West Islip | 06/21/2016 | $572,000 |