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Calvert County, MD Parcels & GIS Data

Calvert County, MD parcel data: 56,710 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Calvert County, Maryland parcel data covering 56,710 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 56,710 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%56,710
parcelid91.4%51,839
parcelid291.4%51,837
ogparcelid93.8%53,167
ogparcelid293.8%53,177
parentid<0.1%0
stackid<0.1%0
geoid100%56,710
statefp100%56,710
countyfp100%56,710
countyname100%56,710
cousubfp100%56,710
cousubname100%56,710
tractce100%56,710
tractname100%56,710
taxacctnum100%56,710
taxyear<0.1%0
taxdistrict91.2%51,697
usecode93.8%53,187
usedesc93.8%53,222
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%56,252
calcarea100%56,710
saleamt<0.1%0
saledate<0.1%0
ownertype91.6%51,924
ownername93.9%53,252
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr99.8%56,603
parcelcity99.7%56,534
parcelstate100%56,710
parcelzip100%56,710
legaldesc93.8%53,178
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book93.6%53,103
page93.7%53,117
block93.6%53,084
lot93.9%53,243
parceltype2.4%1,352
accesstype2.4%1,352
iucnclass1.2%667
placename4.6%2,612
placetype4.6%2,588
firmid100%56,710
firmdate100%56,710
fldzone100%56,710
zonesubty94.9%53,823
staticbfe4.8%2,709
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%56,710
centroidx100%56,710
centroidy100%56,710
surfpointx100%56,710
surfpointy100%56,710
geom100%56,710
extras100%56,710
ownerlist89.7%50,842
placefp45.9%26,040
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 2026-08-15 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 parcel polyid acctid ciuse descciuse zoning bldg_units yearblt bldg_story sqftstrc nfmimpvl nfmlndvl nfmttlvl acres considr1 tradate ownadd1 ownadd2 owncity ownstate ownerzip address city zipcode legal1 legal2 legal3 dr1liber dr1folio block lot sdatwebadr geom desctown jurscode geogcode ooi resityp strtnum strtdir strtnam strttyp strtsfx strtunt addrtyp ownzip2 premsnum premsdir premsnam premstyp premcity premzip premzip2 towncode subdivsn dsubcode descsubd plat pltliber pltfolio section map grid znchgdat rzrealdat exclass descexcl lu desclu landarea luom width depth pfuw pfus pflw pfsp pfsu pfic pfih recind permittyp strugrad descgrad strucnst desccnst strustyl descstyl strubldg descbldg lastinsp lastassd assessor gr1libr1 gr1folo1 convey1 crtarcod fcmacode agfndarea entzndat entznassm plndevdat nprctstdat nprcarea nprcluom homqlcod homqldat ptype mdpvdate sdatdate polydate polyacres shape_starea__ shape_stlength__ parcelid parcelid2 taxacctnum usecode usedesc zoningcode numunits yearbuilt numfloors bldgsqft imprvalue landvalue totalvalue taxacres saleamt saledate owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc book page block lot 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 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 91.6% ownertype 93.9% ownername 89.7% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxdistrict usecode usedesc zoningcode numunits yearbuilt numfloors bldgsqft imprvalue landvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc 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 (35) — empty or below 50% fill in this county parentid, stackid, taxyear, zoningdesc, numbldgs, bedrooms, halfbaths, fullbaths, agvalue, township, section, 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 33 mapped · 4 transformed · 22 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel polyid acctid ciuse descciuse zoning bldg_units yearblt bldg_story sqftstrc nfmimpvl nfmlndvl nfmttlvl acres considr1 tradate ownadd1 ownadd2 owncity ownstate ownerzip address city zipcode legal1 legal2 legal3 dr1liber dr1folio block lot sdatwebadr geom desctown jurscode geogcode ooi resityp strtnum strtdir strtnam strttyp strtsfx strtunt addrtyp ownzip2 premsnum premsdir premsnam premstyp premcity premzip premzip2 towncode subdivsn dsubcode descsubd plat pltliber pltfolio section map grid znchgdat rzrealdat exclass descexcl lu desclu landarea luom width depth pfuw pfus pflw pfsp pfsu pfic pfih recind permittyp strugrad descgrad strucnst desccnst strustyl descstyl strubldg descbldg lastinsp lastassd assessor gr1libr1 gr1folo1 convey1 crtarcod fcmacode agfndarea entzndat entznassm plndevdat nprctstdat nprcarea nprcluom homqlcod homqldat ptype mdpvdate sdatdate polydate polyacres shape_starea__ shape_stlength__ parcelid parcelid2 taxacctnum usecode usedesc zoningcode numunits yearbuilt numfloors bldgsqft imprvalue landvalue totalvalue taxacres saleamt saledate owneraddr NULLIF(concat_ws(' ', NULLIF(ownadd1, ''), NULLIF(ownadd2, ''))… ownercity ownerstate ownerzip parceladdr parcelcity parcelstate 'MD'::text parcelzip legaldesc NULLIF(concat_ws('; ', NULLIF(legal1, ''), NULLIF(legal2, ''), … book page block lot sourceurl geom taxdistrict extras ( json_build_object( 'jurscode', jurscode::text, 'geogcode', ge… not present in source — filled with NULL (22) taxyear, zoningdesc, numbldgs, bedrooms, halfbaths, fullbaths, agvalue, ownername, township, section, qtrsection, range, plssdesc, updated 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 56,710 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.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated