Suffolk County  »  11722  »  William St  »  7 William St

7 William Street, Central Islip, NY 11722 Property Information

7 William Street, Central Islip, NY 11722 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

7 William Street, Central Islip, NY 11722
static Mapbox map

Address

Primary address 7 William Street, Central Islip
Zip code 11722
County Suffolk
Municipality Islip
Parcel ID 99-2-29

Sales & Tax Overview for 7 William Street, Central Islip

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 03/31/2014
Sale price $123,600
Arm's length
Property tax $7,879

Lot & Building Information for 7 William Street, Central Islip

Building class One Family Year-Round Residence (210)
Acreage 0.14
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
32 /100. Car-Dependent
Transit Score
0 /100. Minimal Transit
Bike Score
43 /100. Somewhat Bikeable

Zoning district
School district Central Islip

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

Other Property Data for 7 William Street, Central 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 7 William Street, Central 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 7 William Street, Central Islip

What is the assessed value of 7 William Street, Central Islip, NY 11722 and the property tax paid?

Assessed at $25,850, the tax amount paid for 7 William Street, Central Islip, NY 11722 is $7,879.

When was 7 William Street, Central Islip, NY 11722 last sold and what was the last sale price?

7 William Street, Central Islip, NY 11722 was last sold in 03/31/2014 for $123,600.

Ownership Information

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

Real Estate Reports:
Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
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.
Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
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
How to Find Property Owners — The Complete Guide 
Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.
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 7 William Street, Central Islip

Create a free account to view the complete sales history for 7 William Street, Central Islip, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
03/31/2014 $123,600
04/16/1999 $175,000
       
       
       
Access the complete sales history for 7 William Street, Central Islip with a free account.
Sign up

More about Suffolk County Property Records

Title Documents for 7 William Street, Central 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
04/21/2014 - R
03/31/2014 - D		 Deed
(Bargain and sale)
08/18/1999 - R
04/16/1999 - 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 7 William Street, Central Islip

Access detailed property tax data for 7 William Street, Central Islip, NY 11722. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $7,879
Market value $364,085
Assessed value $25,850

More about Suffolk County Property Taxes

Assessment History for 7 William Street, Central Islip

Here's the assessment & property tax history for 7 William Street, Central 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 $364,085 $25,850 30.481 $7,879 +3.08%
2024-2025 $364,085 $25,850 29.569 $7,644 +5.71%
2023-2024 $355,082 $25,850 27.973 $7,231 -1.12%
2022-2023 $312,198 $25,850 28.29 $7,313 +0.97%
2021-2022 $278,556 $25,850 28.019 $7,243 -2.89%
Show More

Permits for 7 William Street, Central Islip

The complete history of permits filed for 7 William Street, Central 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 7 William Street, Central 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 7 William Street, Central 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)
Charles A Mulligan School 4 Public K-6 981 0.15
Francis J O Neill School 5 Public K-6 614 0.27
Our Lady Of Providence Regional School NR Private PK-8 251 0.53
Our Lady Of Providence Regional School NR Private PK-8 251 0.53
Anthony Alfano Elementary School 5 Public PK, K-6 586 0.56
Show More

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Ralph Reed School 3 Public 7-8 1,149 0.40
Our Lady Of Providence Regional School NR Private PK-8 251 0.53
Gersh Academy NR Private 6-12 0 1.59
Hauppauge Middle School 6 Public 6-8 748 2.18
East Middle School 4 Public 6-8 1,159 2.19
Show More

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Central Islip Senior High School 3 Public 9-12 2,576 0.68
Gersh Academy NR Private 6-12 0 1.59
Hauppauge High School 9 Public 9-12 1,079 2.04
MDQ Academy NR Private PK-12 412 2.83
East Islip High School 8 Public 9-12 1,145 3.02
Show More

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 7 William Street, Central Islip

Here are the neighbors for 7 William Street, Central Islip.

Address Square feet Purchase date Purchase price
21 Hawthorne Ave, Central Islip 2,161 01/14/2020 $380,000
118 E Suffolk Ave, Central Islip 5,163 06/30/2016 $665,000
11 William St, Central Islip 11/30/2011
30 Lurcott Ln, Central Islip 2,103
6 Nagle Ln, Central Islip 03/02/2022
5159 Hawthorne Ave, Central Islip 09/14/2018 $463,000
25 Hawthorne Ave, Central Islip 03/25/2026 $689,000
5 Short St, Central Islip 03/14/1998
27 Hawthorne Ave, Central Islip
46 Lurcott Ln, Central Islip 2,015 09/30/2022 $405,000
43 Lurcott Ln, Central Islip 1,547 12/27/2019 $328,000
90 Suffolk Ave, Central Islip 03/09/2023
60 E Suffolk Ave, Central Islip 10/11/2024 $435,000
34 Lurcott Ln, Central Islip 1,315 06/28/2017
22 Lurcott Ln, Central Islip 1,616 11/28/2018 $270,000
22 William St, Central Islip 1,210 03/21/2017 $233,200
10 William St, Central Islip 12/05/2023
92 E Suffolk Ave, Central Islip 2,800 01/10/2022 $800,000
100 Suffolk Ave, Central Islip 615 10/20/2016 $900,000
14 William St, Central Islip 1,590 01/31/2022 $418,000
Show More

Nearby ZIP Codes for 7 William Street, Central Islip

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