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Calvert County, MD Parcels & GIS Data

Calvert County, MD parcel data: 56,728 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Calvert County, Maryland parcel data covering 56,728 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 56,728 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%56,728
parcelid91.4%51,846
parcelid291.4%51,844
ogparcelid93.7%53,178
ogparcelid293.8%53,188
parentid<0.1%0
stackid<0.1%0
geoid100%56,728
statefp100%56,728
countyfp100%56,728
countyname100%56,728
cousubfp100%56,728
cousubname100%56,728
tractce100%56,728
tractname100%56,728
taxacctnum100%56,728
taxyear<0.1%0
taxdistrict91.1%51,704
usecode93.8%53,198
usedesc93.8%53,233
zoningcode22.1%12,531
zoningdesc22.1%12,531
numbldgs<0.1%0
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue<0.1%0
taxacres99.2%56,269
calcarea100%56,728
saleamt<0.1%0
saledate<0.1%0
ownertype91.5%51,931
ownername93.9%53,263
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr99.8%56,621
parcelcity99.7%56,552
parcelstate100%56,728
parcelzip100%56,728
legaldesc93.8%53,189
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book93.6%53,114
page93.7%53,128
block93.6%53,095
lot93.9%53,254
parceltype2.4%1,352
accesstype2.4%1,352
iucnclass1.2%667
placename4.6%2,612
placetype4.6%2,588
firmid100%56,728
firmdate100%56,728
fldzone100%56,728
zonesubty94.9%53,840
staticbfe4.8%2,710
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%9,076
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%56,728
centroidx100%56,728
centroidy100%56,728
surfpointx100%56,728
surfpointy100%56,728
geom100%56,728
extras100%56,728
ownerlist89.6%50,849
placefp45.9%26,042
zoningurl<0.1%0

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 2026-08-30 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 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% parceladdr 100% parcelcity 100% parcelstate 100% parcelzip 89.6% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxdistrict usecode usedesc taxacres calcarea ownertype ownername parceladdr parcelcity parcelstate parcelzip legaldesc section book page block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist 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, township, qtrsection, range, plssdesc parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl 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:

Frequently asked questions

Where can I find Calvert County, MD parcel and GIS data?

Land Records publishes a Calvert 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 Calvert County, MD dataset as a GeoPackage or CSV.

How many parcels are in Calvert County, MD?

The current dataset contains 56,728 parcel records for Calvert County, MD, each with its boundary geometry and assessor attributes.

What is the FIPS code for Calvert County, MD?

The FIPS code for Calvert County, MD is 24009.

What information does each Calvert County, MD parcel record include?

Each Calvert 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 Calvert County, MD parcel data free?

You can preview Calvert 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 Calvert County, MD have an official GIS or property records website?

Yes — the official Calvert County, MD government website is linked in the county details above. Land Records standardizes Calvert County, MD assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

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Attribute coverageSchema mappingNeighboring countiesFAQRelated