St. Mary's County, MD Parcels & GIS Data

St. Mary's County, MD parcel data: 53,060 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes St. Mary's County, Maryland parcel data covering 53,060 property records.

This page documents parcel-level coverage for St. Mary's County, Maryland. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for St. Mary's County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete St. Mary's County property dataset.

St. Mary's County, established in 1637, is a county located in the U.S. state of Maryland. As of the 2020 census, the population was 113,777.

FIPS 24037

The FIPS code for St. Mary's County is 24037.

CalvertCharlesDorchesterWestmorelandNorthumberlandSomersetSt. Mary's

Attribute coverage

St. Mary's County contains 53,060 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%53,060
parcelid98.4%52,217
parcelid298.4%52,217
ogparcelid<0.1%12
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%53,060
statefp100%53,060
countyfp100%53,060
countyname100%53,060
cousubfp100%53,060
cousubname100%53,060
tractce100%53,060
tractname100%53,060
taxacctnum98.4%52,215
taxyear98.4%52,204
taxdistrict<0.1%1
usecode20.4%10,836
usedesc95.9%50,896
zoningcode88.4%46,915
zoningdesc<0.1%0
numbldgs79.1%41,974
numunits78.9%41,872
yearbuilt<0.1%0
numfloors56.7%30,088
bldgsqft74.6%39,559
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue93.2%49,453
landvalue93.2%49,453
agvalue78.2%41,508
totalvalue93.2%49,453
taxacres<0.1%11
calcarea100%53,060
saleamt61.2%32,447
saledate90.4%47,941
ownertype<0.1%0
ownername97.1%51,531
owneraddr95.3%50,571
ownercity<0.1%1
ownerstate<0.1%1
ownerzip<0.1%1
parceladdr82.9%44,006
parcelcity<0.1%4
parcelstate98.4%52,205
parcelzip<0.1%12
legaldesc95.4%50,610
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book34.3%18,175
page34.2%18,143
parceltype3.8%2,012
accesstype3.8%2,012
iucnclass1.4%768
placename4.1%2,174
placetype3.8%2,012
firmid<0.1%0
firmdate<0.1%0
fldzone<0.1%0
zonesubty<0.1%0
staticbfe<0.1%0
elevmin100%53,045
elevmax100%53,045
elevavg100%53,045
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
updated100%53,048
centroidx100%53,060
centroidy100%53,060
surfpointx100%53,060
surfpointy100%53,060
geom100%53,060
lrversion100%53,060

Neighboring counties

Parcel data for counties bordering St. Mary's County:

On this page