Jefferson County GIS Portal (New York)

Jefferson County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Jefferson County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Jefferson County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Jefferson 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 Jefferson County Assessor Office website.

Adams Assessor Adams NY 3 South Main Street 13605 315-232-7647

Clayton Assessor Clayton NY 405 Riverside Drive 13624 315-686-5280

Ellisburg Town Assessor Ellisburg NY 11574 S Main St 13636 315-846-9059

Henderson Assessor Henderson NY 12105 Town Barn Road 13650 315-938-5542

Le Ray Town Assessor Evans Mills NY 8650 Leray Street 13637 315-629-3420

Orleans Town Assessor La Fargeville NY 20414 Sunrise Ave 13656 315-658-4309

Watertown City Assessor Watertown NY 245 Washington Street, Ste 201 13601 315-785-7760

Jefferson 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 Jefferson County property maps that show boundaries, public property, property divisions, and in some cases, population information in Jefferson County, New York. They may also include property value assessments and property tax rates. Jefferson 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.

Adams Town Clerk Adams Center NY 13263 US Route 11 13606 315-583-5701

Adams Village Clerk Adams NY 3 S Main St 13605 315-232-2632

Alexandria Town Clerk Alexandria Bay NY 46372 County Road 1 13607 315-482-9519

Brownville Village Clerk Watertown NY 216 Brown Boulevard 13601 315-782-7650

Cape Vincent Clerk Cape Vincent NY 127 East Joseph Street 13618 315-654-2533

Jefferson County Clerk Watertown NY 175 Arsenal Street 13601 315-785-3075

Mannsville Village Clerk Mannsville NY 106 Lilac Park Drive 13661 315-465-5515

Rutland Town Clerk Black River NY 28411 State Route 126 13612 315-788-3440

Sackets Harbor Village Clerk Sackets Harbor NY 112 North Broad Street 13685 315-646-3548

Worth Town Clerk Lorraine NY 6400 County Route 95 13659 315-232-4647


Jefferson 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 Jefferson County GIS maps. The GIS maps at a Jefferson 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 Jefferson 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 Jefferson County Town and City Hall website.

Ellisburg Town Hall Ellisburg NY 11574 S Main St 13636 315-846-5138

Ellsiburg Village Town Hall Ellisburg NY 11832 Main Street 13636 315-846-5222

Rodman Town Hall Rodman NY 12509 School Street 13682 315-232-2522

Watertown City Hall Watertown NY 245 Washington Street 13601 315-785-7770

Worth Town Hall Lorraine NY 24600 County Route 189 13659 315-232-4694


Jefferson 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 Jefferson 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 Jefferson County, New York. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Jefferson County Recorder of Deeds website.

Jefferson County Recorder of Deeds Watertown NY 175 Arsenal Street 13601 315-785-3200