| Primary address | 21 Adams St W, East Islip |
| Zip code | 11730 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 321-1-77 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 11/19/2025 |
| Sale price | $600,000 |
| Arm's length | Register |
| Property tax | $8,317 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.11 |
| Year built | 1920 |
| Zoning district | Register |
| School district | East 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:
21 Adams St W, East Islip, NY 11730 was built in 1920.
What is the assessed value of 21 Adams St W, East Islip, NY 11730 and the property tax paid?Assessed at $29,750, the tax amount paid for 21 Adams St W, East Islip, NY 11730 is $8,317.
When was 21 Adams St W, East Islip, NY 11730 last sold and what was the last sale price?21 Adams St W, East Islip, NY 11730 was last sold in 11/19/2025 for $600,000.
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 21 Adams St W, East 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 21 Adams St W, East Islip, NY 11730. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $8,317 |
| Market value | $419,014 |
| Assessed value | $29,750 |
Here's the assessment & property tax history for 21 Adams St W, East 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 | $419,014 | $29,750 | 27.957 | $8,317 | +4.13% |
| 2024-2025 | $419,014 | $29,750 | 26.849 | $7,988 | +2.69% |
| 2023-2024 | $408,654 | $29,750 | 26.145 | $7,778 | +0.84% |
| 2022-2023 | $359,299 | $29,750 | 25.927 | $7,713 | -0.72% |
| 2021-2022 | $320,582 | $29,750 | 26.114 | $7,769 | +2.36% |
The complete history of permits filed for 21 Adams St W, East 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 21 Adams St W, East 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 21 Adams St W, East 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) |
|---|---|---|---|---|---|
| Chatterbox Day School | NR | Private | PK-1 | 61 | 0.78 |
| Chatterbox Day School | NR | Private | PK-1 | 61 | 0.78 |
| St Mary School | NR | Private | PK-8 | 413 | 0.78 |
| St Mary School | NR | Private | PK-8 | 413 | 0.78 |
| Chatterbox Day School | NR | Private | PK, K-1 | 0 | 0.79 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| St Mary School | NR | Private | PK-8 | 413 | 0.78 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 0.89 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 1.69 |
| St Patrick School | NR | Private | PK-8 | 534 | 2.46 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 3.02 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| East Islip High School | 8 | Public | 9-12 | 1,145 | 0.95 |
| Islip High School | 9 | Public | 9-12 | 892 | 1.64 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 3.18 |
| MDQ Academy | NR | Private | PK-12 | 412 | 3.37 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 3.54 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Adams St W, East Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 28 Indian Head Dr, Sayville | 2,020 | 07/26/2019 | |
| 90 Harp Ln, Sayville | 11/06/2006 | $499,000 | |
| 811 Blair St, Bohemia | 06/06/2006 | $560,000 | |
| 25 Jean Rd, West Islip | 08/02/2007 | $432,500 | |
| 189 Seminole St, Ronkonkoma | 01/29/2025 | ||
| 132 Evergreen Ave, Brentwood | 06/19/2023 | $395,745 | |
| 738 Pine Ave, West Islip | 08/09/2006 | $120,000 | |
| 305 Independence Ave, West Islip | 08/25/2016 | $315,000 | |
| 1116 Washington Ave, West Islip | 08/02/2006 | ||
| 1456 Brooklyn Blvd, Bay Shore | 1,482 | 06/20/2019 | $335,000 |
| 1597 N Thompson Dr, Bay Shore | 2,154 | 02/18/2023 | |
| 23 Churchill Dr, Brentwood | 03/06/2006 | $396,500 | |
| 23 Barberry Rd, West Islip | 2,201 | 05/29/2018 | $507,500 |
| 235 Bay Shore Rd, Bay Shore | 1,140 | 10/31/2018 | $250,000 |
| 159 Arnold St, Holbrook | 08/18/2006 | $400,000 | |
| 1641 Heckscher Ave, Bay Shore | 3,560 | 02/25/2019 | |
| 37 Bushwick Ave, Brentwood | 3,636 | 01/18/2024 | $900,000 |
| 135 Nathan Dr, Bohemia | 10/06/2010 | ||
| 341 Carnation Rd, West Islip | 12/09/2016 | $430,000 | |
| 120 St Charles St, Holbrook | 08/24/2006 |