| Primary address | 66 Gladstone Avenue, West Islip |
| Zip code | 11795 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 456-4-20 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 01/31/2022 |
| Sale price | $590,000 |
| Arm's length | Register |
| Current property tax | $10,520 |
| Building sqft | 1,789 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.29 |
| Year built | 1952 |
| 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:
66 Gladstone Avenue, West Islip, NY 11795 was built in 1952 and has a total of 1,789 square feet.
What is the assessed value of 66 Gladstone Avenue, West Islip, NY 11795 and the property tax paid?Assessed at $43,100, the tax amount paid for 66 Gladstone Avenue, West Islip, NY 11795 is $12,483.
When was 66 Gladstone Avenue, West Islip, NY 11795 last sold and what was the last sale price?66 Gladstone Avenue, West Islip, NY 11795 was last sold in 01/31/2022 for $590,000.
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 66 Gladstone Avenue, West Islip, 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 66 Gladstone Avenue, 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 | $12,483 |
| Current property tax | $10,520 |
| Market value | $607,042 |
| Assessed value | $43,100 |
Here's the assessment & property tax history for 66 Gladstone Avenue, 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 | $607,042 | $43,100 | 27.624 | $11,906 | +3.86% |
| 2023-2024 | $592,033 | $43,100 | 26.598 | $11,464 | +1.06% |
| 2022-2023 | $520,531 | $43,100 | 26.319 | $11,343 | +0.07% |
| 2021-2022 | $464,440 | $43,100 | 26.301 | $11,336 | +2.12% |
| 2020-2021 | $444,330 | $43,100 | 25.754 | $11,100 | -23.63% |
The complete history of permits filed for 66 Gladstone Avenue, 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 66 Gladstone Avenue, 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 66 Gladstone Avenue, 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) |
|---|---|---|---|---|---|
| Bridges Academy (The) | NR | Private | PK-8 | 211 | 0.74 |
| Bridges Academy (The) | NR | Private | PK-8 | 211 | 0.74 |
| South Country School | 3 | Public | 3-5 | 469 | 0.75 |
| St Peters By The Sea Episcopal Day School | NR | Private | PK, K-8 | 176 | 0.79 |
| St Peters By The Sea Episcopal Day School | NR | Private | PK, K-8 | 176 | 0.79 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Beach Street Middle School | 6 | Public | 6-8 | 405 | 0.72 |
| Bridges Academy (The) | NR | Private | PK-8 | 211 | 0.74 |
| St Peters By The Sea Episcopal Day School | NR | Private | PK, K-8 | 176 | 0.79 |
| The Bridges Academy | NR | Private | PK, K-8 | 0 | 0.80 |
| Our Lady Of Lourdes School | NR | Private | PK-8 | 209 | 1.75 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St John The Baptist Diocesan High School | NR | Private | 9-12 | 1,335 | 0.69 |
| West Islip Senior High School | 9 | Public | 9-12 | 1,262 | 0.79 |
| Babylon Junior Senior High School | 5 | Public | 7-12 | 703 | 1.99 |
| North Babylon High School | 6 | Public | 9-12 | 1,506 | 2.48 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.58 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 66 Gladstone Avenue, West Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 64 Gladstone Ave, West Islip | 05/21/1997 | $170,000 | |
| 65 Gladstone Ave, West Islip | |||
| 102 Gladstone Ave, West Islip | 06/10/2024 | $650,000 | |
| 76 Gladstone Ave, West Islip | 11/01/1993 | $129,000 | |
| 83 Gladstone Ave, West Islip | |||
| 60 Gladstone Ave, West Islip | 1,777 | 01/31/2024 | $660,000 |
| 51 Gladstone Ave, West Islip | 1,692 | 03/26/2025 | |
| 100 Gladstone Ave, West Islip | |||
| 63 Gladstone Ave, West Islip | |||
| 73 Gladstone Ave, West Islip | |||
| 70 Gladstone Ave, West Islip | |||
| 84 Gladstone Ave, West Islip | 02/25/2009 | ||
| 86 Gladstone Ave, West Islip | 1,489 | 06/15/2016 | |
| 104 Gladstone Ave, West Islip | |||
| 720 Pat Dr, West Islip | 1,605 | 06/15/2017 | $368,000 |
| 68 Gladstone Ave, West Islip | 08/22/2013 | $245,000 | |
| 72 Gladstone Ave, West Islip | |||
| 54 Gladstone Ave, West Islip | 08/31/2016 | $392,000 | |
| 81 Gladstone Ave, West Islip | 01/12/2016 | $335,000 | |
| 61 Butler St, West Islip | 06/01/2015 | $307,500 |