| Primary address | 27 Gladstone Avenue, West Islip |
| Zip code | 11795 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 468-5-19 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/28/2004 |
| Sale price | $393,000 |
| Arm's length | Register |
| Property tax | $15,930 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.25 |
| 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 $55,000, the tax amount paid for 27 Gladstone Avenue, West Islip, NY 11795 is $15,929.
When was 27 Gladstone Avenue, West Islip, NY 11795 last sold?27 Gladstone Avenue, West Islip, NY 11795 was last sold in 09/10/2010.
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 27 Gladstone Avenue, West Islip, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 06/28/2004 | $393,000 | 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 27 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 |
| Property tax | $15,930 |
| Market value | $774,648 |
| Assessed value | $55,000 |
Here's the assessment & property tax history for 27 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 | $774,648 | $55,000 | 27.624 | $15,193 | +3.86% |
| 2023-2024 | $755,495 | $55,000 | 26.598 | $14,629 | +1.06% |
| 2022-2023 | $664,252 | $55,000 | 26.319 | $14,475 | +0.07% |
| 2021-2022 | $592,672 | $55,000 | 26.301 | $14,466 | +2.12% |
| 2020-2021 | $567,010 | $55,000 | 25.754 | $14,165 | -23.63% |
The complete history of permits filed for 27 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 27 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 27 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 | 0.47 |
| Bridges Academy (The) | NR | Private | PK-8 | 211 | 0.47 |
| The Bridges Academy | NR | Private | PK, K-8 | 0 | 0.53 |
| The Bridges Academy | NR | Private | PK, K-8 | 0 | 0.53 |
| Bayview Elementary School | 3 | Public | PK, K-5 | 410 | 0.65 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Bridges Academy (The) | NR | Private | PK-8 | 211 | 0.47 |
| The Bridges Academy | NR | Private | PK, K-8 | 0 | 0.53 |
| St Peters By The Sea Episcopal Day School | NR | Private | PK, K-8 | 176 | 0.76 |
| Beach Street Middle School | 6 | Public | 6-8 | 405 | 0.84 |
| Babylon Junior Senior High School | 5 | Public | 7-12 | 703 | 2.01 |
| 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 | 0.46 |
| West Islip Senior High School | 9 | Public | 9-12 | 1,262 | 0.82 |
| Babylon Junior Senior High School | 5 | Public | 7-12 | 703 | 2.01 |
| North Babylon High School | 6 | Public | 9-12 | 1,506 | 2.70 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.76 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 27 Gladstone Avenue, West Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 89 Sequams Ln W, West Islip | 10/23/2012 | $775,000 | |
| 190 Connetquot Dr, Oakdale | 06/17/2004 | $715,000 | |
| 64 Glenmore Ave, Brentwood | 02/13/2018 | ||
| 45 Kemi Ln, Sayville | 07/07/2005 | $975,000 | |
| 24 Beverly St, Islip | 10/04/2007 | $335,000 | |
| 77 Broadway Ave, Sayville | 07/01/2004 | $330,000 | |
| 1210 Smithtown Ave, Bohemia | 2,621 | 01/26/2022 | |
| 69 S Ocean Ave, Bayport | 06/18/2004 | $750,000 | |
| 201 Country Village Ln, East Islip | 04/12/2017 | $20,000 | |
| 152 Timberline Dr, Brentwood | 12/21/2012 | ||
| 190 Cecil Ave, Bay Shore | 04/12/2007 | $484,100 | |
| 149 Connetquot Ave, East Islip | 02/02/2012 | ||
| 212 Hilltop Dr, Brentwood | 04/12/2013 | ||
| 3 Jet Ln, Holbrook | 06/18/2004 | $390,000 | |
| 21 9th Ave, Brentwood | 06/15/2004 | $340,000 | |
| 2013 Orinoco Dr, West Islip | 936 | 09/04/2018 | $340,000 |
| 50 Feldland St, Bohemia | 12,941 | 02/27/2018 | $1,500,000 |
| 810 Ocean Ave, West Islip | 05/12/2004 | $350,000 | |
| 206 A Springmeadow Dr, Holbrook | 1,313 | 07/10/2025 | $518,000 |
| 2145 Louis Kossuth Ave, Ronkonkoma | 06/24/2004 |