Suffolk County  »  11730  »  Washington St  »  143 Washington St

143 Washington Street, East Islip, NY 11730 Property Information

143 Washington Street, East Islip, NY 11730 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

143 Washington Street, East Islip, NY 11730
static Mapbox map

Address

Primary address 143 Washington Street, East Islip
Zip code 11730
County Suffolk
Municipality Islip
Parcel ID 322-4-56

Sales & Tax Overview for 143 Washington Street, East Islip

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
Property tax $12,832

Lot & Building Information for 143 Washington Street, East Islip

Building sqft 2,555
Building class Two Family Year-Round Residence (220)
Acreage 0.24
Year built 1973
Units 2
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district East Islip

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 143 Washington Street, East Islip

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 143 Washington Street, East Islip , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 143 Washington Street, East Islip

What is the year built & the total sq. ft. for 143 Washington Street, East Islip, NY 11730?

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).

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Laura Pop-Badiu, Jul 29, 2026 How to Contact Property Owners: Cold Calling Scripts, Email Templates & Outreach Tips 
When it comes to efficiently contacting property owners, the challenge is twofold: First, you need to identify the right owner. Then, you need to reach that owner through the appropriate channel with the right message. Enhanced by effective follow-up tips and tactics, this guide is particularly useful for investors, agents and other real estate professionals who need an effective outreach process.
Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 143 Washington Street, East Islip

Create a free account to view the complete sales history for 143 Washington Street, East Islip, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
09/17/2021 $530,000
10/22/2002 $285,000
       
       
       
Access the complete sales history for 143 Washington Street, East Islip with a free account.
Sign up

Title Documents for 143 Washington Street, East Islip

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.

Date Type Amount Party 1 Party 2 Doc image
02/09/2022 - R
09/17/2021 - D
Deed
(Bargain and sale)
11/20/2002 - R
10/22/2002 - D
Deed
12/14/1993 - R
09/17/1993 - D
Deed
           
           
Unlock daily updated title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 143 Washington Street, East Islip

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

Assessment History for 143 Washington Street, East Islip

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%

Permits for 143 Washington Street, East Islip

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.

Data not available for this property.

Risk

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)

Transportation

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

Schools

Nearest elementary schools

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

Nearest middle schools

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

Nearest high schools

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.

Neighbors for 143 Washington Street, East Islip

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

Nearby ZIP Codes for 143 Washington Street, East Islip

Not sure if we cover all the data-points you need? View sample full report View sample full report