Calvert County GISThis layer depicts countywide land parcels in Calvert County, Maryland. The data is maintained in the Department of Technology Services with cooperation from the Department of Community Planning and Building. Attribute data is maintained monthly using a file downloaded from the Maryland State Department of Assessments and Taxation. The data were originally developed from 600 scale tax maps. As newer plats and other information become available the parcel boundaries are being edited to reflect the more accurate data.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/942261b6787146b3adcc0c11e882aa50_4engCalvert County Open GIS Data PortalPublicParcels [Maryland--Calvert County]Web servicesMaryland--Calvert CountyMarylandLast Modified: 2025-03-27