| Primary address | 143 Washington Street, East Islip |
| Zip code | 11730 |
| County | Suffolk |
| Municipality | Islip |
| Parcel ID | 322-4-56 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 09/17/2021 |
| Sale price | $530,000 |
| Arm's length | Register |
| Property tax | $12,832 |
| Building sqft | 2,555 |
| Building class | Two Family Year-Round Residence (220) |
| Acreage | 0.24 |
| Year built | 1973 |
| 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:
143 Washington Street, East Islip, NY 11730 was built in 1973 and has a total of 2,555 square feet.
What is the assessed value of 143 Washington Street, East Islip, NY 11730 and the property tax paid?Assessed at $45,900, the tax amount paid for 143 Washington Street, East Islip, NY 11730 is $12,832.
When was 143 Washington Street, East Islip, NY 11730 last sold and what was the last sale price?143 Washington Street, East Islip, NY 11730 was last sold in 09/17/2021 for $530,000.
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 143 Washington Street, East Islip, including title documents, transfer conditions, mortgages and liens.
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 143 Washington Street, 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 | $12,832 |
| Market value | $646,478 |
| Assessed value | $45,900 |
Here's the assessment & property tax history for 143 Washington Street, 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 | $646,478 | $45,900 | 27.957 | $12,832 | +4.13% |
| 2024-2025 | $646,478 | $45,900 | 26.849 | $12,324 | +2.69% |
| 2023-2024 | $630,495 | $45,900 | 26.145 | $12,001 | +0.84% |
| 2022-2023 | $554,348 | $45,900 | 25.927 | $11,900 | -0.72% |
| 2021-2022 | $494,612 | $45,900 | 26.114 | $11,986 | +2.36% |
The complete history of permits filed for 143 Washington Street, 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 143 Washington Street, 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 143 Washington Street, 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, K-1 | 0 | 0.14 |
| Chatterbox Day School | NR | Private | PK, K-1 | 0 | 0.14 |
| Chatterbox Day School | NR | Private | PK-1 | 61 | 0.15 |
| Chatterbox Day School | NR | Private | PK-1 | 61 | 0.15 |
| Ruth C Kinney Elementary School | 7 | Public | 3-5 | 302 | 1.01 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| East Islip Middle School | 6 | Public | 6-8 | 804 | 0.69 |
| St Mary School | NR | Private | PK-8 | 413 | 1.22 |
| Islip Middle School | 4 | Public | 6-8 | 641 | 2.49 |
| Oakdale Bohemia Middle School | 6 | Public | 6-8 | 634 | 2.55 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.65 |
| Name | Rating | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|
| East Islip High School | 8 | Public | 9-12 | 1,145 | 0.80 |
| Islip High School | 9 | Public | 9-12 | 892 | 2.45 |
| Connetquot Alternative Preschool At Premm | NR | Public | 0 | 2.65 | |
| Connetquot High School | 8 | Public | 9-12 | 1,757 | 3.65 |
| Bay Shore Senior High School | 5 | Public | 9-12 | 1,910 | 4.04 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 143 Washington Street, East Islip.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1366 Illinois Ave, Bay Shore | 960 | 01/19/2021 | $399,000 |
| 35 Ellen St, Bay Shore | 1,920 | 05/25/2018 | |
| 35 Montauk Dr, Bay Shore | 980 | 01/15/2021 | $350,000 |
| 277 George St, West Islip | 09/29/2025 | $450,000 | |
| 4 Edmore Ln S, West Islip | 07/30/2025 | $750,000 | |
| 364 Kurzon Rd, West Islip | 01/17/2014 | $350,000 | |
| 190 Old Post Dr, Hauppauge | 04/13/2022 | ||
| 471 Smith Ave, Islip | 2,841 | 05/04/2017 | $650,000 |
| 202 Powell Ave, Central Islip | 2,068 | 04/09/2018 | |
| 524 Rockaway St, West Islip | 11/07/2002 | $287,500 | |
| 7 Cedar St, Bay Shore | 08/26/2023 | $10 | |
| 46 Tamarack St, Central Islip | 10/24/2002 | $180,000 | |
| 7 Jet Ln, Holbrook | 11/26/2025 | $456,000 | |
| 116 Irving St, Central Islip | 3,474 | 03/20/2017 | $445,000 |
| 82 Orient Ave, Brentwood | 07/08/2005 | ||
| 24 Brentwood Rd, Bay Shore | 6,000 | 10/31/2024 | $1,400,000 |
| 190 Elliot St, Brentwood | 04/21/2006 | ||
| 132 Simmons Dr, East Islip | 12/28/2007 | $420,000 | |
| 182 Elin St, Holbrook | 09/30/2003 | ||
| 177 W Plum St, Brentwood | 02/24/2004 |