Maryland · FIPS 24009 · County seat: Prince Frederick
Calvert County, MD GIS & Parcel Viewer
Parcel lookups for Calvert County start at Maryland FINDER Online (MD Dept. of Planning). This page gives you that official link, notes on how the viewer works, and links to the counties next door.
Open the Calvert County statewide map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Maryland FINDER Online (MD Dept. of Planning) |
|---|---|
| Type | Statewide map (covers all of Maryland) |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Prince Frederick |
| Population | 94,728 (2023 Census Bureau estimate) |
| Land area | 213 sq mi |
| FIPS code | 24009 |
About the official source
This is a statewide map, not a county site. Maryland FINDER Online (MD Dept. of Planning) covers parcels across Maryland, and Calvert County is one part of it. A statewide layer can trail the county's own books by weeks or months, so treat it as a fast first look rather than the final word. Our October 2026 check found the map open to the public, with no account or payment needed.
Finding a property on this statewide map
- Open the statewide map with the button above.
- Search for an address in Calvert County, or zoom to the county on the map.
- Click a parcel to see the attributes the state layer includes.
- Write down the parcel number and use it for records searches with the Calvert County assessor or recorder.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
Calvert County by the numbers
Census Bureau figures put Calvert County at about 94,728 people (2023 estimate) on roughly 213 square miles of land, which is about 445 residents per square mile. By population it ranks 15th of 24 counties in Maryland. Another 132 square miles of water fall within its lines, according to Census mapping. Prince Frederick serves as the county seat.
Counties next to Calvert County
Calvert County shares a border with the counties below. Each link has its own official map:
- Anne Arundel County
- Charles County
- Dorchester County
- Prince George's County
- St. Mary's County
- Talbot County
Before you rely on the lines
The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.