Suffolk County  »  11751  »  Main St  »  518 Main St

518 Main Street, Islip, NY 11751 Property Information

518 Main Street, Islip, NY 11751 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

518 Main Street, Islip, NY 11751
static Mapbox map

Address

Primary address 518 Main Street, Islip
Zip code 11751
County Suffolk
Municipality Islip
Parcel ID 370-4-21

Sales & Tax Overview for 518 Main Street, Islip

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

Sale date 04/19/1994
Sale price $190,000
Arm's length
Property tax $21,391

Lot & Building Information for 518 Main Street, Islip

Building class One Story Small Structure (484)
Acreage 0.25
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 Islip

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

Other Property Data for 518 Main Street, 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 518 Main Street, 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 518 Main Street, Islip

What is the market value of 518 Main Street, Islip, NY 11751?

The current market value is $647,887.

Ownership Information

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

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 518 Main Street, Islip

Create a free account to view the complete sales history for 518 Main Street, Islip, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
04/19/1994 $190,000

Title Documents for 518 Main Street, 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
04/19/1994 - D
05/18/1994 - R
Deed
           
           
           
           
Unlock daily updated title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 518 Main Street, Islip

Access detailed property tax data for 518 Main Street, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $21,391
Market value $647,887
Assessed value $46,000

Assessment History for 518 Main Street, Islip

Here's the assessment & property tax history for 518 Main Street, 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 $647,887 $46,000 40.799 $18,768 -1.35%
2023-2024 $631,868 $46,000 41.357 $19,024 -2.03%
2022-2023 $555,555 $46,000 42.213 $19,418 +4.32%
2021-2022 $495,689 $46,000 40.466 $18,614 -0.71%
2020-2021 $474,227 $46,000 40.757 $18,748 +6.26%

Permits for 518 Main Street, Islip

The complete history of permits filed for 518 Main Street, 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.

Demographics by Zip Code

Total population 13,726
Median age 45.6
Average household income $136,601
Family households 67.4%
Occupied housing units 5,040
Owner occupied units 83.4%
Average number of people per household 2.71
Median year structure built 1965
Median value for units with a mortgage $586,500
Median value for units without a mortgage $514,700

Risk

Create a free account to unlock extended information for 518 Main Street, 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 518 Main Street, 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

Neighbors for 518 Main Street, Islip

Here are the neighbors for 518 Main Street, Islip.

Address Square feet Purchase date Purchase price
24 Dock Rd, East Islip 09/04/1998 $360,000
131 Ruth St, West Islip 1,649 09/09/2019 $415,000
481 Coates Ave, Holbrook 04/14/1994 $109,000
306 Clay Ave, West Islip 08/09/1994 $100,000
426 Atlantic Ave, Islip Terrace 04/30/2001 $207,000
63 Glenmore Ave, Brentwood 03/09/2005 $340,000
120 Smith St, Central Islip 05/05/1994 $127,840
32 Henderson Pl, Brentwood 10/26/2011 $123,000
342 Terry Blvd, Holbrook 05/05/1994 $120,000
909 Manor Ln, Bay Shore 12/09/2019
707 Hyman Ave, West Islip 04/04/2025
18 Marianna Pl, East Islip 03/18/2011 $285,000
105 Grassmere Ave, Oakdale 2,362 01/13/2023 $625,000
41 Tamarack St, Central Islip 06/06/2024 $540,000
12 Dartmouth Dr, Bay Shore 03/11/2013 $186,000
931 Karshick St, Bohemia 1,444 02/18/2015
29 Grant Ave, Brentwood 09/19/2003 $262,500
178 Ferndale Blvd, Islip 04/28/1994 $92,500
414 N Bayport Ave, Bayport 10/11/2002 $295,000
131 Bay Way Ave, Bay Shore 12/23/2016 $415,000
Not sure if we cover all the data-points you need? View sample full report View sample full report