| Primary address | 20 42nd Street, Islip |
| Zip code | 11751 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 270-4-39 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 06/03/2024 |
| Sale price | $735,000 |
| Arm's length | Register |
| Property tax | $13,888 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.35 |
| Year built | 1960 |
| Units | 2 |
| 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:
20 42nd Street, Islip, NY 11751 was built in 1960.
What is the assessed value of 20 42nd Street, Islip, NY 11751 and the property tax paid?Assessed at $44,000, the tax amount paid for 20 42nd Street, Islip, NY 11751 is $13,888.
When was 20 42nd Street, Islip, NY 11751 last sold and what was the last sale price?20 42nd Street, Islip, NY 11751 was last sold in 06/03/2024 for $735,000.
How many residential units does this building have?This building has 2 residential unit(s).
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 20 42nd 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 20 42nd Street, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $13,888 |
| Market value | $619,719 |
| Assessed value | $44,000 |
Here's the assessment & property tax history for 20 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 | $619,719 | $44,000 | 30.486 | $13,414 | +3.73% |
| 2023-2024 | $604,395 | $44,000 | 29.39 | $12,932 | +1.68% |
| 2022-2023 | $531,401 | $44,000 | 28.904 | $12,718 | +0.07% |
| 2021-2022 | $474,138 | $44,000 | 28.884 | $12,709 | +3.07% |
| 2020-2021 | $453,608 | $44,000 | 28.023 | $12,330 | -26.94% |
The complete history of permits filed for 20 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 20 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 20 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 | 0.36 |
| Loretta Park Elementary School | 4 | Public | 1-5 | 646 | 0.80 |
| Laurel Park Elementary School | 3 | Public | 1-5 | 665 | 0.87 |
| Wing Elementary School | NR | Public | K-1 | 379 | 0.90 |
| Southeast Elementary School | 5 | Public | 1-5 | 566 | 1.16 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Patrick School | NR | Private | PK-8 | 534 | 1.38 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 1.46 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 1.69 |
| South Middle School | 3 | Public | 6-8 | 1,033 | 1.86 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.92 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 1.37 |
| MDQ Academy | NR | Private | PK-12 | 412 | 1.92 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 2.08 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 2.10 |
| Brentwood High School | 3 | Public | 9-12 | 4,641 | 2.35 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 20 42nd Street, Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 11 Trim St, Bay Shore | 08/25/2023 | $435,000 | |
| 118 Garretson Ave, Islip | 1,456 | 05/28/2021 | $520,000 |
| 20 Haynes CT, Ronkonkoma | 19,358 | 04/21/2006 | $600,000 |
| 160 Pace Dr S, West Islip | 3,109 | 02/10/2021 | |
| 38 The Keel, East Islip | 5,206 | 07/25/2017 | |
| 43 Roslyn St, Islip Terrace | 12/11/2015 | $225,000 | |
| 54 Bushwick Ave, Brentwood | 910 | 03/18/2021 | $355,000 |
| 39 Thomas St, Brentwood | 1,936 | 02/08/2022 | |
| 320 Fir Grove Rd, Ronkonkoma | 03/01/1995 | ||
| 112 Dolce St, Brentwood | 06/26/2006 | $455,000 | |
| 85 Wantagh Ave S, East Islip | 05/17/1994 | $148,000 | |
| 23 Meadow Dr, Bay Shore | 11/18/2016 | $310,000 | |
| 16 S Cardinal CT, Bay Shore | 11/21/2002 | $285,000 | |
| 1274 Grundy Ave, Holbrook | 06/20/2003 | ||
| 131 Awixa Ave, Bay Shore | 6,357 | 02/16/2018 | |
| 7 Ehler St, Brentwood | 04/28/2004 | $309,000 | |
| 54 Glenmore Ave, Central Islip | 05/02/1994 | $90,000 | |
| 362 Silva St, Holbrook | 2,631 | 11/08/2019 | $455,000 |
| 260 Claywood Dr, Brentwood | 08/06/2002 | ||
| 1 Date St, Central Islip | 10/29/2022 |
