| Primary address | 23 South 1st Street, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 396-3-75 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/15/2003 |
| Sale price | $345,000 |
| Arm's length | Register |
| Current property tax | $10,336 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.13 |
| 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 $35,600, the tax amount paid for 23 South 1st Street, Islip, NY 11751 is $11,236.
When was 23 South 1st Street, Islip, NY 11751 last sold and what was the last sale price?23 South 1st Street, Islip, NY 11751 was last sold in 12/15/2003 for $345,000.
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 South 1st Street, Islip, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 12/15/2003 | $345,000 | 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 South 1st 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 | $11,237 |
| Current property tax | $10,336 |
| Market value | $501,409 |
| Assessed value | $35,600 |
Here's the assessment & property tax history for 23 South 1st 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 | $501,409 | $35,600 | 30.486 | $10,853 | +3.73% |
| 2023-2024 | $489,011 | $35,600 | 29.39 | $10,463 | +1.68% |
| 2022-2023 | $429,951 | $35,600 | 28.904 | $10,290 | +4.17% |
| 2021-2022 | $368,534 | $34,200 | 28.884 | $9,878 | +3.07% |
| 2020-2021 | $352,577 | $34,200 | 28.023 | $9,584 | -26.94% |
The complete history of permits filed for 23 South 1st 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 South 1st 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 South 1st 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) |
|---|---|---|---|---|---|
| Maud S Sherwood Elementary School | 6 | Public | 2-5 | 335 | 0.43 |
| St Mary School | NR | Private | PK-8 | 413 | 1.02 |
| St Mary School | NR | Private | PK-8 | 413 | 1.02 |
| Wing Elementary School | NR | Public | K-1 | 379 | 1.14 |
| Commack Road Elementary School | 3 | Public | 2-5 | 397 | 1.42 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip Middle School | 4 | Public | 6-8 | 641 | 0.51 |
| St Mary School | NR | Private | PK-8 | 413 | 1.02 |
| St Patrick School | NR | Private | PK-8 | 534 | 1.58 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 2.24 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 2.40 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 0.55 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.11 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.46 |
| MDQ Academy | NR | Private | PK-12 | 412 | 3.65 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 3.96 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 23 South 1st Street, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 99 Timber Ridge Dr, Holbrook | 11/04/2009 | $322,500 | |
| 91 Moody Ave, Islip | 08/30/2022 | $500,000 | |
| 29 Karp Dr, Islip Terrace | 11/20/2023 | $770,000 | |
| 99 Roosevelt Ave, Sayville | 12/08/2003 | ||
| 2 Myson St, West Islip | 1,704 | 04/22/2020 | $520,000 |
| 47 Sherwood Dr, East Islip | 04/29/2010 | $295,000 | |
| 8 Hilliard Ave, Central Islip | 1,428 | 08/22/2019 | $250,000 |
| 7 Pineland Pl, Brentwood | 12/10/2003 | $329,500 | |
| 34 Wyandanch Ave, East Islip | 11/14/2003 | ||
| 3321 Union Blvd, East Islip | 12/12/2003 | $349,900 | |
| 436 Victory Dr, Ronkonkoma | 07/21/2014 | $200,000 | |
| 377 Wyandanch Rd, Sayville | 05/06/2024 | $535,000 | |
| 20 Jackson St, East Islip | 996 | 08/17/2017 | $349,000 |
| 129 Cirrus Rd, Holbrook | 09/12/2014 | $385,000 | |
| 289 Ellery St, Brentwood | 07/16/2008 | $170,000 | |
| 26 Lanier Ln, Bay Shore | 03/04/2025 | $975,000 | |
| 565 Higbie Ln, West Islip | 05/15/2012 | ||
| 10 Orient Ave, Brentwood | 03/17/2008 | ||
| 1 Columbus Ave, Brentwood | 10/28/2014 | $246,000 | |
| 777 Higbie Ln, West Islip | 08/04/2016 | $365,650 |