Oswego County GIS Portal (New York)

Oswego County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Oswego County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Oswego County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Oswego County, New York. These maps can also include place names, bodies of water, flood zones, property zones, and other geographic information. Some Assessors may keep historic GIS maps that include historic property tax assessments. These maps may be available on the Oswego County Assessor Office website.

Fulton City Assessor Fulton NY 141 South 1st Street 13069 315-593-7267

Mexico Town Assessor Mexico NY 64 North Jefferson Street 13114 315-963-3491

New Haven Assessor Oswego NY 4279 New York 104 13126 315-963-4150

West Monroe Town Assessor West Monroe NY 46 County Route 11 13167 315-676-3521


Oswego County Town and City Halls provide municipal services for their town or city, including preserving vital records and maintaining records on their jurisdiction such as Oswego County GIS maps. The GIS maps at an Oswego County Town or City Hall can include property boundaries, public property, unclaimed parcels, and roads, as well as appraisal values for properties and property tax assessments in Oswego County, New York. These GIS maps may also show population information, place names, zoning boundaries, bodies of water, flood zones, and other geographic information. Some Town and City Halls also have historical maps of their area. These maps are often available to the public on the Oswego County Town and City Hall website.

Amboy Town Hall Williamstown NY 822 New York 69 13493 315-964-1165

Boylston Town Hall Lacona NY 580 County Route 13 13083 315-387-5530

Fulton City Hall Fulton NY 170 South 2nd Street 13069 315-592-7477

Fulton City Hall Fulton NY 141 South 1st Street 13069 315-592-2474

Granby Town Hall Fulton NY 820 County Route 8 13069 315-598-6500

Hannibal Town Hall Hannibal NY 824 County Route 34 13074 315-564-6037

Minetto Town Hall Oswego NY 6 Community Drive 13126 315-343-2393

New Haven Town Hall Oswego NY 4279 New York 104 13126 315-963-3900

Oswego City Hall Oswego NY 13 West Oneida Street 13126 315-342-8265

Sandy Creek Town Hall Sandy Creek NY 1992 Harwood Drive 13145 315-387-5456

Vienna Town Hall Cleveland NY 2083 New York 49 13042 315-245-2191

Oswego County Clerk Offices maintain public records for a county or local government, which includes GIS maps. These maps provide detailed information on the area, including Oswego County property maps that show boundaries, public property, property divisions, and in some cases, population information in Oswego County, New York. They may also include property value assessments and property tax rates. Oswego County GIS maps can show place names, bodies of water, zoning information, flood zones, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations, and these maps are often available online through the Clerk Office website.

Boylston Town Clerk Lacona NY 703 County Route 13 13083 315-387-2320

Cleveland Clerk Cleveland NY 123 New York 49 13042 315-675-8611

Constantia Town Clerk Constantia NY 14 Frederick Street 13044 315-623-9206

Fulton City Clerk Fulton NY 141 South 1st Street 13069 315-592-5390

Hannibal Village Clerk Hannibal NY 824 County Route 34 13074 315-564-7115

Mexico Town Clerk Mexico NY 64 S Jefferson St 13114 315-963-7633

Orwell Town Clerk Richland NY 119 Stone Quarry Drive 13144 315-298-4347

Oswego County Clerk Oswego NY 46 East Bridge Street 13126 315-349-8230

Palermo Town Clerk Fulton NY 1222 Red School House Road 13069 315-593-1825

Parish Town Clerk Parish NY 2938 East Main Street 13131 315-625-4507

Richland City Clerk Pulaski NY 1 Bridge Street 13142 315-298-5174

West Monroe Town Clerk West Monroe NY 46 County Route 11 13167 315-668-8314

Williamstown Town Clerk Williamstown NY 18 Cox Road 13493 315-964-2441


Oswego County Recorders of Deeds keep real estate records to ensure the accuracy of property and land records. In addition to deeds, Recorders of Deeds also have detailed county and local maps, including Oswego County GIS maps that show property lines, building information, public property, unclaimed parcels, as well as property value assessments and property tax information. These GIS maps may also include place names, zoning boundaries, bodies of water, flood zones, and other geographic information in Oswego County, New York. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Oswego County Recorder of Deeds website.

Oswego County Recorder of Deeds Oswego NY 46 East Bridge Street 13126 315-349-8621