| Primary address | 23 40th Street, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 248-2-107 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/05/2012 |
| Sale price | $293,200 |
| Arm's length | Register |
| Current property tax | $11,314 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.25 |
| 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 $38,700, the tax amount paid for 23 40th Street, Islip, NY 11751 is $12,215.
When was 23 40th Street, Islip, NY 11751 last sold and what was the last sale price?23 40th Street, Islip, NY 11751 was last sold in 06/05/2012 for $293,200.
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 23 40th Street, 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 23 40th Street, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $12,215 |
| Current property tax | $11,314 |
| Market value | $545,070 |
| Assessed value | $38,700 |
Here's the assessment & property tax history for 23 40th Street, 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 | $545,070 | $38,700 | 30.486 | $11,798 | +3.73% |
| 2023-2024 | $531,593 | $38,700 | 29.39 | $11,374 | +1.68% |
| 2022-2023 | $467,391 | $38,700 | 28.904 | $11,186 | +0.07% |
| 2021-2022 | $417,026 | $38,700 | 28.884 | $11,178 | +3.07% |
| 2020-2021 | $398,969 | $38,700 | 28.023 | $10,845 | -26.94% |
The complete history of permits filed for 23 40th Street, 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 23 40th Street, 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 23 40th Street, 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) |
|---|---|---|---|---|---|
| Commack Road Elementary School | 3 | Public | 2-5 | 397 | 0.51 |
| Loretta Park Elementary School | 4 | Public | 1-5 | 646 | 0.66 |
| Laurel Park Elementary School | 3 | Public | 1-5 | 665 | 0.73 |
| Southeast Elementary School | 5 | Public | 1-5 | 566 | 1.01 |
| Wing Elementary School | NR | Public | K-1 | 379 | 1.02 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Patrick School | NR | Private | PK-8 | 534 | 1.48 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 1.60 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 1.74 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.76 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.79 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 1.52 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.79 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.10 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.17 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.24 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 23 40th Street, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 17 Bailey Ave, Bay Shore | 04/26/2004 | $320,000 | |
| 14 Fern Ave, East Islip | 1,212 | 04/01/2019 | $359,000 |
| 402 Spur Dr S, Bay Shore | 04/09/2025 | ||
| 89 Collins Ave, Sayville | 08/19/2016 | $1 | |
| 85 Leaf Ave, Central Islip | 10/14/2015 | $350,000 | |
| 2281 Julia Goldbach Ave, Ronkonkoma | 2,551 | 01/21/2021 | $515,000 |
| 205 Studley St, Brentwood | 10/25/2013 | $290,000 | |
| 49 Oneil Ave, Bay Shore | 1,138 | 03/24/2022 | $540,000 |
| 39 Granby Pl, Ronkonkoma | 03/29/2004 | $30,000 | |
| 28 Winfield Ave, Brentwood | 2,450 | 06/13/2022 | $520,000 |
| 469 Kime Ave, West Islip | 04/27/2004 | $339,000 | |
| 1500 Smithtown Ave, Bohemia | 6,000 | 12/10/2020 | $320,000 |
| 82 Center Ave, Bay Shore | 11/23/2016 | $270,300 | |
| 171 Front Ave, Brentwood | 1,150 | 04/23/2004 | $235,000 |
| 17 Roy Ave, West Islip | 04/20/2004 | $351,000 | |
| 148 Pace Dr S, West Islip | 2,906 | 01/05/2021 | $990,000 |
| 10 Roy Ave, West Islip | 01/22/2021 | ||
| 28 Dixie Ln, East Islip | 12/02/2025 | $800,000 | |
| 1 E Belmont St, Bay Shore | 05/03/2004 | $272,500 | |
| 82 Hanson Pl, Ronkonkoma | 1,687 | 10/28/2021 | $510,000 |