St. Mary's County, MD Parcels & GIS Data
St. Mary's County, MD parcel data: 53,048 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 53,048 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.
Official county website: http://www.co.saint-marys.md.us
The FIPS code for St. Mary's County is 24037.
Attribute coverage
St. Mary's County contains 53,048 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).
| Column | Coverage | Records populated |
|---|---|---|
lrid | 100% | 53,048 |
parcelid | 98.4% | 52,205 |
parcelid2 | 98.4% | 52,205 |
ogparcelid | 98.4% | 52,205 |
ogparcelid2 | 98.4% | 52,205 |
parentid | <0.1% | 0 |
stackid | <0.1% | 0 |
geoid | 100% | 53,048 |
statefp | 100% | 53,048 |
countyfp | 100% | 53,048 |
countyname | 100% | 53,048 |
cousubfp | 100% | 53,048 |
cousubname | 100% | 53,048 |
tractce | 100% | 53,048 |
tractname | 100% | 53,048 |
taxacctnum | 98.4% | 52,203 |
taxyear | 98.4% | 52,204 |
taxdistrict | <0.1% | 0 |
usecode | 20.4% | 10,825 |
usedesc | 95.9% | 50,895 |
zoningcode | 88.4% | 46,903 |
zoningdesc | <0.1% | 0 |
numbldgs | 83.2% | 44,115 |
numunits | 78.9% | 41,872 |
yearbuilt | <0.1% | 0 |
numfloors | 56.7% | 30,088 |
bldgsqft | 74.6% | 39,559 |
bedrooms | <0.1% | 0 |
halfbaths | <0.1% | 0 |
fullbaths | <0.1% | 0 |
imprvalue | 93.2% | 49,453 |
landvalue | 93.2% | 49,453 |
agvalue | 78.2% | 41,508 |
totalvalue | 93.2% | 49,453 |
taxacres | <0.1% | 0 |
calcarea | 100% | 53,048 |
saleamt | 61.2% | 32,447 |
saledate | 90.4% | 47,941 |
ownertype | 97.1% | 51,520 |
ownername | 97.1% | 51,520 |
owneraddr | 95.3% | 50,571 |
ownercity | <0.1% | 0 |
ownerstate | <0.1% | 0 |
ownerzip | <0.1% | 0 |
parceladdr | 99.1% | 52,594 |
parcelcity | 94.7% | 50,243 |
parcelstate | 100% | 53,048 |
parcelzip | 100% | 53,043 |
legaldesc | 95.4% | 50,610 |
township | <0.1% | 0 |
section | <0.1% | 0 |
qtrsection | <0.1% | 0 |
range | <0.1% | 0 |
plssdesc | <0.1% | 0 |
book | 34.3% | 18,175 |
page | 34.2% | 18,142 |
block | 13.4% | 7,120 |
lot | 68.6% | 36,398 |
parceltype | 3.8% | 2,012 |
accesstype | 3.8% | 2,012 |
iucnclass | 1.4% | 768 |
placename | 7.1% | 3,745 |
placetype | 6.8% | 3,618 |
firmid | <0.1% | 0 |
firmdate | <0.1% | 0 |
fldzone | <0.1% | 0 |
zonesubty | <0.1% | 0 |
staticbfe | <0.1% | 0 |
elevmin | 100% | 53,045 |
elevmax | 100% | 53,045 |
elevavg | 100% | 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 |
bldgtype | <0.1% | 0 |
naicscode | 1.5% | 782 |
frsid | 0.3% | 184 |
dfrurl | 0.3% | 184 |
caapermit | 0.3% | 184 |
cwapermit | 0.3% | 184 |
rcrapermit | 0.3% | 184 |
updated | 100% | 53,048 |
centroidx | 100% | 53,048 |
centroidy | 100% | 53,048 |
surfpointx | 100% | 53,048 |
surfpointy | 100% | 53,048 |
geom | 100% | 53,048 |
extras | <0.1% | 0 |
ownerlist | 96.1% | 50,966 |
placefp | 38.5% | 20,404 |
zoningurl | <0.1% | 0 |
Neighboring counties
Parcel data for counties bordering St. Mary's County:
Frequently asked questions
Where can I find St. Mary's County, MD parcel and GIS data?
Land Records publishes a St. Mary's County, MD parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full St. Mary's County, MD dataset as a GeoPackage or CSV.
How many parcels are in St. Mary's County, MD?
The current dataset contains 53,048 parcel records for St. Mary's County, MD, each with its boundary geometry and assessor attributes.
What is the FIPS code for St. Mary's County, MD?
The FIPS code for St. Mary's County, MD is 24037.
What information does each St. Mary's County, MD parcel record include?
Each St. Mary's County, MD parcel record includes 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 the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.
Is St. Mary's County, MD parcel data free?
You can preview St. Mary's County, MD parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.
Does St. Mary's County, MD have an official GIS or property records website?
Yes — the official St. Mary's County, MD government website is linked in the county details above. Land Records standardizes St. Mary's County, MD assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.