| Primary address | 21 Somerset Avenue, East Islip |
| Zip code | 11730 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 372-1-28 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/29/2002 |
| Sale price | $330,000 |
| Arm's length | Register |
| Current property tax | $10,762 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.29 |
| Units | 2 |
| 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:
Assessed at $41,300, the tax amount paid for 21 Somerset Avenue, East Islip, NY 11730 is $11,546.
When was 21 Somerset Avenue, East Islip, NY 11730 last sold and what was the last sale price?21 Somerset Avenue, East Islip, NY 11730 was last sold in 08/29/2002 for $330,000.
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 21 Somerset Avenue, East Islip, including title documents, transfer conditions, mortgages and liens.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 08/29/2002 | $330,000 | 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 21 Somerset Avenue, East Islip, NY 11730. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Base tax | $11,546 |
| Current property tax | $10,762 |
| Market value | $581,690 |
| Assessed value | $41,300 |
Here's the assessment & property tax history for 21 Somerset Avenue, 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 |
|---|---|---|---|---|---|
| 2024-2025 | $588,732 | $41,800 | 26.849 | $11,223 | +2.69% |
| 2023-2024 | $574,175 | $41,800 | 26.145 | $10,929 | +0.84% |
| 2022-2023 | $504,831 | $41,800 | 25.927 | $10,837 | -0.72% |
| 2021-2022 | $450,431 | $41,800 | 26.114 | $10,916 | +2.36% |
| 2020-2021 | $430,928 | $41,800 | 25.513 | $10,664 | -20.34% |
The complete history of permits filed for 21 Somerset Avenue, 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 Somerset Avenue, 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 Somerset Avenue, 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 to school (mi) |
|---|---|---|---|---|---|
| St Mary School | NR | Private | PK-8 | 413 | 0.22 |
| St Mary School | NR | Private | PK-8 | 413 | 0.22 |
| John F Kennedy Elementary School | 5 | Public | 3-5 | 450 | 0.74 |
| Chatterbox Day School | NR | Private | PK-1 | 61 | 0.92 |
| Chatterbox Day School | NR | Private | PK-1 | 61 | 0.92 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| St Mary School | NR | Private | PK-8 | 413 | 0.22 |
| East Islip Middle School | 6 | Public | 6-8 | 804 | 1.36 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 1.44 |
| St Patrick School | NR | Private | PK-8 | 534 | 2.39 |
| Bay Shore Middle School | 5 | Public | 6-8 | 1,298 | 3.01 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Islip High School | 9 | Public | 9-12 | 892 | 1.42 |
| East Islip High School | 8 | Public | 9-12 | 1,145 | 1.44 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 3.05 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 3.65 | |
| MDQ Academy | NR | Private | PK-12 | 412 | 3.73 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Somerset Avenue, East Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 44 Pauchogue Ave, East Islip | 07/28/2022 | $625,000 | |
| 115 Connetquot Ave, East Islip | 07/20/2012 | ||
| 34 Oakdale Ave, Central Islip | 05/01/2002 | $178,000 | |
| 136 Timberline Dr, Brentwood | 10/08/2004 | $349,000 | |
| 45 Smith Ave, Bay Shore | 05/01/2002 | $167,645 | |
| 207 Ford St, Holbrook | 05/08/2002 | ||
| 169 Park Ave, Hauppauge | 02/13/2002 | $395,000 | |
| 123 Tabor St, Brentwood | 08/24/2005 | ||
| 93 Root Ave, Islip | 1,260 | 03/30/2021 | $495,000 |
| 41 Krause St, Bay Shore | 1,613 | 06/28/2019 | $400,000 |
| 1680 Westwood Blvd, Bay Shore | 2,227 | 05/25/2017 | $290,000 |
| 34 Andrew Ave, Islip Terrace | 04/25/2002 | $191,000 | |
| 252 Calebs Path, Brentwood | 03/18/2010 | ||
| 534 Kime Ave, West Islip | 09/15/2004 | $368,500 | |
| 889 Chester Rd, Sayville | 01/30/2002 | ||
| 79 Tyler Ave, West Sayville | 04/27/2004 | $355,000 | |
| 73 Gull Walk, Bay Shore | 2,148 | 01/08/2021 | $2,400,000 |
| 1049 Bay Shore Ave, Bay Shore | 1,270 | 11/05/2021 | $400,000 |
| 1254 Sycamore Ave, Bohemia | 12/21/2010 | $415,000 | |
| 130 Applegate Dr, Central Islip | 06/23/2022 | $482,500 |