| Primary address | 23 42nd Street, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 270-4-28 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 10/10/1997 |
| Sale price | $145,000 |
| Arm's length | Register |
| Current property tax | $12,482 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.21 |
| 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 $42,400, the tax amount paid for 23 42nd Street, Islip, NY 11751 is $13,383.
When was 23 42nd Street, Islip, NY 11751 last sold and what was the last sale price?23 42nd Street, Islip, NY 11751 was last sold in 10/10/1997 for $145,000.
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 23 42nd Street, Islip, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 10/10/1997 | $145,000 | 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 23 42nd 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 | $13,383 |
| Current property tax | $12,482 |
| Market value | $597,183 |
| Assessed value | $42,400 |
Here's the assessment & property tax history for 23 42nd 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 | $597,183 | $42,400 | 30.486 | $12,926 | -4.39% |
| 2023-2024 | $631,868 | $46,000 | 29.39 | $13,519 | +1.68% |
| 2022-2023 | $555,556 | $46,000 | 28.904 | $13,296 | +0.07% |
| 2021-2022 | $495,689 | $46,000 | 28.884 | $13,287 | +3.07% |
| 2020-2021 | $474,227 | $46,000 | 28.023 | $12,891 | -26.94% |
The complete history of permits filed for 23 42nd 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 42nd 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 42nd 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 | 0.39 |
| Loretta Park Elementary School | 4 | Public | 1-5 | 646 | 0.77 |
| Laurel Park Elementary School | 3 | Public | 1-5 | 665 | 0.85 |
| Wing Elementary School | NR | Public | K-1 | 379 | 0.92 |
| Southeast Elementary School | 5 | Public | 1-5 | 566 | 1.13 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Patrick School | NR | Private | PK-8 | 534 | 1.42 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 1.49 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 1.72 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.85 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.90 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 1.41 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.90 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.07 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.13 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.34 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 23 42nd Street, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 234 Lakeland Ave, Sayville | 08/30/2012 | ||
| 79 Forest Dr, Ronkonkoma | 08/27/1997 | $100,000 | |
| 1021 Howells Rd, Bay Shore | 08/22/1997 | $104,000 | |
| 107 McNair St, Brentwood | 2,014 | 07/20/2021 | |
| 2420 Sycamore Ave, Ronkonkoma | 1,160 | 11/12/2020 | $389,999 |
| 28 Suffolk Ln, East Islip | 2,868 | 06/10/2019 | |
| 74 Webster Ave, West Islip | 01/14/2026 | $730,000 | |
| 895 Bay Shore Ave, West Islip | 11/10/1997 | $106,900 | |
| 278 Commack Rd, Islip | 2,690 | 12/16/2019 | $499,000 |
| 55 Storm Dr, Holtsville | 02/07/2007 | $235,000 | |
| 95 Jones Dr, Sayville | 06/18/2007 | ||
| 210 Johnson Ave, Sayville | 03/04/2013 | ||
| 115 Academy St, Bayport | 1,856 | 10/30/2020 | $535,000 |
| 40 Cocoanut St, Central Islip | 12/21/2022 | $550,000 | |
| 1096 Connetquot Ave, Central Islip | 2,272 | 10/30/2019 | $412,000 |
| 158 Vermont Ave, Bay Shore | 08/21/1997 | $40,000 | |
| 2234 Walnut Ave, Ronkonkoma | 08/22/1997 | $140,000 | |
| 1519 Hiram Ave, Holbrook | 10/30/2000 | ||
| 1643 N Thompson Dr, Bay Shore | 2,044 | 11/27/2019 | $3,869 |
| 125 Loop Dr, Sayville | 07/30/1997 | $79,995 |