St. Mary's County GIS Portal (Maryland)

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

St Marys County Assessment Office Leonardtown MD 23110 Leonard Hall Drive 20650 301-880-2900


St. Mary's 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 St. Mary's County GIS maps. The GIS maps at a St. Mary's 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 St. Mary's County, Maryland. 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 St. Mary's County Town and City Hall website.

Leonardtown Town Hall Leonardtown MD 41660 Court House Drive 20650 301-475-9791

St. Mary's 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 St. Mary's County property maps that show boundaries, public property, property divisions, and in some cases, population information in St. Mary's County, Maryland. They may also include property value assessments and property tax rates. St. Mary's 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.

St Marys County Clerk Leonardtown MD 41605 Court House Drive 20650 410-845-4840


St. Mary's 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 St. Mary's 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 St. Mary's County, Maryland. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the St. Mary's County Recorder of Deeds website.

St Marys County Recorder of Deeds Leonardtown MD PO Box 676 20650 301-475-7844