| Primary address | 145 Dewey Street, Islandia |
| Zip code | 11749 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 10-1-6 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/04/2022 |
| Sale price | $695,493 |
| Arm's length | Register |
| Property tax | $10,418 |
| Building class | One Family Year-Round Residence (210) |
| Acreage | 0.59 |
| Zoning district | Register |
| School district | Connetquot |
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 $37,000, the tax amount paid for 145 Dewey Street, Islandia, NY 11749 is $10,418.
When was 145 Dewey Street, Islandia, NY 11749 last sold?145 Dewey Street, Islandia, NY 11749 was last sold in 12/20/2023.
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 145 Dewey Street, Islandia, 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 145 Dewey Street, Islandia, NY 11749. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025-2026 |
| Property tax | $10,418 |
| Market value | $521,127 |
| Assessed value | $37,000 |
Here's the assessment & property tax history for 145 Dewey Street, Islandia, 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 | $521,127 | $37,000 | 26.939 | $9,967 | +4.93% |
| 2023-2024 | $508,242 | $37,000 | 25.674 | $9,499 | +1.27% |
| 2022-2023 | $446,860 | $37,000 | 25.352 | $9,380 | +0.68% |
| 2021-2022 | $398,707 | $37,000 | 25.18 | $9,317 | +2.24% |
| 2020-2021 | $381,443 | $37,000 | 24.629 | $9,113 | +4.41% |
The complete history of permits filed for 145 Dewey Street, Islandia, 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 145 Dewey Street, Islandia, 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 145 Dewey Street, Islandia 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) |
|---|---|---|---|---|---|
| Cherokee Street Elementary School | 5 | Public | K-5 | 592 | 0.80 |
| Andrew T Morrow School | 3 | Public | K-6 | 795 | 1.17 |
| Helen B Duffield Elementary School | 6 | Public | K-5 | 322 | 1.35 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 1.43 |
| Edith L Slocum Elementary School | 6 | Public | PK, K-5 | 272 | 1.43 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Ronkonkoma Middle School | 8 | Public | 6-8 | 672 | 1.43 |
| Gersh Academy | NR | Private | 6-12 | 0 | 1.70 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.71 |
| St Joseph School | NR | Private | PK, K-8 | 212 | 2.07 |
| Ralph Reed School | 3 | Public | 7-8 | 1,149 | 2.13 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Gersh Academy | NR | Private | 6-12 | 0 | 1.70 |
| Cleary School For The Deaf | NR | Private | PK-12 | 79 | 1.71 |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 2.18 |
| Hauppauge High School | 9 | Public | 9-12 | 1,079 | 2.51 |
| Central Islip Senior High School | 3 | Public | 9-12 | 2,576 | 2.81 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 145 Dewey Street, Islandia.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1240 Old Nichols Rd, Islandia | 07/29/2015 | $264,000 | |
| 56 Pine CT, Islandia | 2,181 | 04/25/2025 | $680,000 |
| 7 Sagebrush Ln, Islandia | 12/08/2023 | $535,000 | |
| 11 Oval Dr, Central Islip | 60,000 | 10/14/2020 | $5,050,000 |
| 74 Scotch Pine Dr, Islandia | 07/27/2005 | $365,000 | |
| 17 Hancock St, Islandia | 12/01/2005 | $358,500 | |
| 11 Scotch Pine Dr, Islandia | 2,050 | 07/31/2007 | |
| 145 Serpentine Ln, Islandia | 1,596 | 10/10/2019 | $318,000 |
| 75 Split Cedar Dr, Islandia | 01/13/2016 | $281,000 | |
| 21 Halsey St, Islandia | 08/31/2005 | ||
| 34 Winding Ln, Islandia | 03/09/2009 | $10,000 | |
| 50 Corporate Plz, Islandia | 01/02/2026 | $850,000 | |
| 40 Sampson Ave, Islandia | 10/13/2021 | ||
| 54 Sampson Ave, Islandia | 08/10/2005 | $411,990 | |
| 135 Dewey St, Islandia | 1,231 | 12/20/2023 | |
| 108 Split Cedar Dr, Islandia | 1,884 | 05/30/2017 | $198,975 |
| 22 Gooseberry Ln, Islandia | 02/25/2008 | $525,000 | |
| 2929 Express Dr N, Islandia | 155,000 | 07/14/2005 | $15,100,000 |
| 18 Slate Ln, Islandia | 09/07/2022 | $480,000 | |
| 175 Silverleaf Ln, Islandia | 1,800 | 09/19/2018 |