The Suffolk County GIS Viewer holds data pertaining to transportation, elevation, jurisdiction, health & safety, infrastructure, environment, reference, records and land use. Use this viewer to search by address or tax parcel.

This GIS dataset was prepared by the Suffolk County Department of Economic Development and Planning for the Suffolk County Department of Health Services as part of the Suffolk County Subwatersheds Wastewater Plan titled Suffolk County Management Program for the Reduction of Nitrogen Loading from Wastewater Sources. The Department of Economic Development & Planning was asked to provide “parcel-specific buildout land use” for all of Suffolk County. In order to provide parcel-specific buildout land use, the land use for each and every distinct tax map parcel in the Suffolk County Real Property Tax Service Agency Tax Map Album had to be checked and updated. Following this task, parcel-specific land available for residential development was determined, and then residential buildout was calculated.

Land Use MethodologyA significant effort was required to verify and correct the land use codes to produce an accurate parcel-specific land use database, especially given the large geographic extent of Suffolk County, the large number of individual parcels, and the variety of development across the County. In 2017, the Suffolk County Division of Planning & Environment began to comprehensively update its land use inventory for 2016 for all 581,000 land parcels in Suffolk County. The Division’s GIS was employed to link land use data with parcels shown on the Suffolk County Real Property Tax Map.

These data were automated to provide an accurate high-resolution historical shoreline of Ragged Island Creek to Craney Island West in Suffolk County, VA suitable as a geographic information system (GIS) data layer. These data are derived from shoreline maps that were produced by the NOAA National Ocean Service including its predecessor agencies which were based on an office interpretation of...

This feature class was created by exporting the Census County Subdivision polygon features from the 2020 TIGER/Line Geodatabase.TIGER Geodatabases are spatial extracts from the Census Bureau’s MAF/TIGER database. These files do not include demographic data, but they contain geographic entity codes that can be linked to the Census Bureau’s demographic data.

1887 property map of Islip Village, New York and surrounding vicinity. Created by Eugene R. Smith. Available through Brooklyn Public Library's Center for Brooklyn History.Citation: Property map of Islip Village and vicinity: Suffolk County, N.Y.: made from original surveys by Eugene R. Smith, civil engineer, Islip, Suffolk Co. N.Y.; [1887], Map Collection, L.I.-[1887?].Fl; Brooklyn Historical Society. https://mapcollections.brooklynhistory.org/map/property-map-of-islip-village-and-vicinity-suffolk-county-n-y-made-from-original-surveys-by-eugene-r-smith-civil-engineer-islip-suffolk-co-n-y/

This vector dataset provides a published representation of churches in Suffolk County, managed in the facility site point feature class, combined with service information and organized for consumption in desktop and web applications.

Polygons and owner information of airports in Suffolk County, NY.

Stop Name is included in the attribute table.

Villages within Suffolk County, NY.

This feature class was created by exporting the CDP polygon features from the 2020 Census Designated Place State-based shapefile.The Current Place State-based shapefile contains a record for incorporated places, which are established to provide governmental functions for a concentration of people as opposed to a minor civil division (MCD), which generally is created to provide services or administer an area without regard, necessarily, to population. Places always nest within a state, but may extend across county and county subdivision boundaries. An incorporated place usually is a city, town, village, or borough, but can have other legal descriptions. CDPs are delineated for the decennial census as the statistical counterparts of incorporated places. CDPs are delineated to provide data for settled concentrations of population that are identifiable by name, but are not legally incorporated under the laws of the state in which they are located

April 2022

This vector dataset provides points that represent significant golf course facility locations in Suffolk County. These courses can be publicly (State, County, Town, Village) or privately owned. This dataset can be linked with the GolfCoursePolygon feature class by the FACILITYID field. In some cases, there may be multiple Golf Course Points for a single Golf Course Polygon. These data are organized for consumption in desktop and web applications.

November 2025

Dataset includes Date/Time, Class and Nature (Misdemeanor/Felony), Description, Age and Address of incident. 2009-2018.

This vector dataset contains polygon features that represent the college campuses or site locations throughout Suffolk County. These features can be linked with some of the features of the CollegePoint feature class by the FACILITYID field. These data are organized for consumption in desktop and web applications.

A list of County Contracts for 2015.

1000 ft high water line around the coast of eastern Suffolk County, NY.

This dataset is a digital soil survey and generally is the most detailed level of soil geographic data developed by the National Cooperative Soil Survey. The information was prepared by digitizing maps, by compiling information onto a planimetric correct base and digitizing, or by revising digitized maps using remotely sensed and other information.This dataset consists of georeferenced digital map data and computerized attribute data. The map data are in a state-wide extent format and include a detailed, field verified inventory of soils and miscellaneous areas that normally occur in a repeatable pattern on the landscape and that can be cartographically shown at the scale mapped. The soil map units are linked to attributes in the National Soil Information System relational database, which gives the proportionate extent of the component soils and their properties.

This boundary polygon represents the area that is covered under the Long Island Sound Coastal Management Program (LIS CMP). The LIS CMP is based on public consensus and close consultation with the state agencies whose programs and activities affect the coast. It integrates the capabilities of state and local government into an enforceable program for the Sound. It complements the Long Island Sound Study Comprehensive Conservation and Management Plan, which focuses on water quality in the deep waters of the Sound, by addressing the upland watershed and harbor and nearshore waters.