| Primary address | 301 Grant Avenue, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 319-3-32 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $7,418 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.23 |
| Zoning district | Register |
| School district | 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 $31,700, the tax amount paid for 301 Grant Avenue, Islip, NY 11751 is $10,005.
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 301 Grant Avenue, Islip, including title documents, transfer conditions, mortgages and liens.
Access detailed property tax data for 301 Grant Avenue, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $10,006 |
| Current property tax | $7,418 |
| Market value | $446,479 |
| Assessed value | $31,700 |
Here's the assessment & property tax history for 301 Grant Avenue, 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 |
|---|---|---|---|---|---|
| 2025-2026 | $446,479 | $31,700 | 31.564 | $10,006 | +3.54% |
| 2024-2025 | $446,479 | $31,700 | 30.486 | $9,664 | +3.73% |
| 2023-2024 | $435,439 | $31,700 | 29.39 | $9,317 | +1.68% |
| 2022-2023 | $382,850 | $31,700 | 28.904 | $9,163 | +0.07% |
| 2021-2022 | $341,595 | $31,700 | 28.884 | $9,156 | +3.07% |
The complete history of permits filed for 301 Grant Avenue, 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 301 Grant Avenue, 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 301 Grant Avenue, 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 (miles) |
|---|---|---|---|---|---|
| Wing Elementary School | NR | Public | K-1 | 379 | 0.25 |
| Commack Road Elementary School | 3 | Public | 2-5 | 397 | 0.55 |
| St Mary School | NR | Private | PK-8 | 413 | 1.15 |
| St Mary School | NR | Private | PK-8 | 413 | 1.15 |
| Maud S Sherwood Elementary School | 6 | Public | 2-5 | 335 | 1.41 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Islip Middle School | 4 | Public | 6-8 | 641 | 0.84 |
| St Mary School | NR | Private | PK-8 | 413 | 1.15 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.44 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 1.82 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 2.01 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 0.76 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 1.83 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.16 |
| MDQ Academy | NR | Private | PK-12 | 412 | 2.80 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 3.21 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 301 Grant Avenue, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 14 Tex CT, Islip | |||
| 128 Commack Rd, Islip | 1,900 | 06/30/2021 | $455,000 |
| 325 Grant Ave, Islip | 08/05/2013 | $80,000 | |
| 17 James St, Islip | |||
| 126 Winganhauppaugerd, Islip | 08/13/2025 | $425,000 | |
| 63 Commack Rd, Islip | 11/17/2012 | ||
| 281 Grant Ave, Islip | 03/25/2024 | $525,000 | |
| 134 Commack Rd, Islip | 11/01/2022 | $535,000 | |
| 7 Tex CT, Islip | 05/28/2013 | ||
| 269 Grant Ave, Islip | 1,944 | 09/11/2020 | $499,000 |
| 8 Tex CT, Islip | 08/18/2009 | ||
| 122 Commack Rd, Islip | |||
| 12 Wallace St, Islip | |||
| 293 Grant Ave, Islip | 1,144 | 07/13/2018 | |
| 69 Commack Rd, Islip | 1,219 | 04/12/2016 | |
| 133 Commack Rd, Islip | 03/12/2026 | $430,000 | |
| 25 James St, Islip | |||
| 116 Commack Rd, Islip | 917 | 07/08/2020 | $365,000 |
| 94 Commack Rd, Islip | |||
| 11 James St, Islip | 2,024 | 01/27/2022 | $610,000 |