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Calvert County, MD Parcels & GIS Data

Calvert County, MD parcel data: 56,744 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Calvert County, Maryland parcel data covering 56,744 property records.

This page documents parcel-level coverage for Calvert 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 Calvert County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Calvert County property dataset.

Calvert County is a county located in the U.S. state of Maryland. As of the 2020 United States census, its population was 92,783. Its county seat is Prince Frederick.

FIPS 24009

Official county website: http://www.co.cal.md.us/

The FIPS code for Calvert County is 24009.

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Attribute coverage

Calvert County contains 56,744 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%56,744
parcelid91.4%51,873
parcelid291.4%51,871
ogparcelid93.8%53,201
ogparcelid293.8%53,211
parentid<0.1%0
stackid<0.1%0
geoid100%56,744
statefp100%56,744
countyfp100%56,744
countyname100%56,744
cousubfp100%56,744
cousubname100%56,744
tractce100%56,744
tractname100%56,744
taxacctnum100%56,744
taxyear<0.1%24
taxdistrict91.1%51,697
usecode93.8%53,221
usedesc93.8%53,246
zoningcode<0.1%18
zoningdesc<0.1%0
numbldgs0.1%34
numunits0.1%34
yearbuilt0.1%34
numfloors<0.1%24
bldgsqft<0.1%24
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%24
landvalue<0.1%24
agvalue<0.1%24
totalvalue<0.1%24
taxacres99.2%56,276
calcarea100%56,744
saleamt<0.1%24
saledate<0.1%11
ownertype91.6%51,958
ownername93.9%53,286
owneraddr0.1%34
ownercity0.1%34
ownerstate0.1%34
ownerzip0.1%34
parceladdr0.1%34
parcelcity0.1%34
parcelstate100%56,744
parcelzip100%56,744
legaldesc93.8%53,212
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book93.6%53,110
page93.6%53,124
block93.6%53,118
lot93.9%53,277
parceltype2.4%1,357
accesstype2.4%1,357
iucnclass1.2%671
placename4.6%2,617
placetype4.6%2,593
firmid100%56,744
firmdate100%56,744
fldzone100%56,744
zonesubty94.9%53,847
staticbfe4.8%2,718
elevmin0.1%36
elevmax0.1%36
elevavg0.1%36
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
naicscode16.0%9,095
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%56,744
centroidx100%56,744
centroidy100%56,744
surfpointx100%56,744
surfpointy100%56,744
geom100%56,744
extras100%56,744
lrversion100%56,744

Schema mapping

How source columns from the acquired Calvert County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Calvert County, Maryland (24009) 1 entity · most recent acquisition per entity · generated 2026-07-13 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL prclid parcel acctid sc_cur assessedus statedarea legalowner legaldesc section liber folio block lot last_edited_date sdatlink geom map 42 cols ⇢ parcelid parcelid2 taxacctnum usecode usedesc taxacres ownername legaldesc section book page block lot updated sourceurl geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% updated 100% lrversion geom · derived from geometry geom dem.us_1m · USGS 1m DEM 0.1% elevmin 0.1% elevmax 0.1% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 94.9% zonesubty 4.8% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% parcelstate 100% parcelzip lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxdistrict usecode usedesc taxacres calcarea ownertype ownername parcelstate parcelzip legaldesc section book page block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lrversion publish.parcel_layer columns not fed by these sources (48) — empty or below 50% fill in this county parentid, stackid, taxyear, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parceladdr, parcelcity, township qtrsection, range, plssdesc, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit PARCEL 17 mapped · 42 kept in extras · 37 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL prclid parcel acctid sc_cur assessedus statedarea legalowner legaldesc section liber folio block lot last_edited_date sdatlink geom map parcelid parcelid2 taxacctnum usecode usedesc taxacres ownername legaldesc section book page block lot updated sourceurl geom taxdistrict extras · 42 source columns preserved as json name, createdbyrecord, retiredbyrecord, statedareaunit calculatedarea, miscloseratio, misclosedistance, isseed validationstatus, type, legalstartdate, legalenddate accuracy, unclosed, misclosebearing, backsightbearing exempt_cla, exempt_nam, topomaplin, zoningmapl, watermapli sewermapli, created_us, created_da, last_edite, last_edi_1 parcelclas, developmen, row_name, row_type, row_co_id row_sha_plat, row_comments, row_class, row_display originalfeatureoid, originalstatedarea, created_user created_date, last_edited_user, wc_appr, wc_cur extras not present in source — filled with NULL (37) taxyear, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parceladdr, parcelcity, parcelstate, parcelzip, township qtrsection, range, plssdesc, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Calvert County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated