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Carroll County, MD Parcels & GIS Data

Carroll County, MD parcel data: 69,707 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Carroll County, Maryland parcel data covering 69,707 property records.

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

Carroll County is located in the U.S. state of Maryland. As of the 2020 United States census, the population was 172,891. Its county seat is Westminster.

FIPS 24013

Official county website: http://www.carr.org

The FIPS code for Carroll County is 24013.

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Attribute coverage

Carroll County contains 69,707 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%69,707
parcelid99.8%69,581
parcelid299.9%69,651
ogparcelid99.8%69,585
ogparcelid299.9%69,655
parentid<0.1%0
stackid<0.1%0
geoid100%69,707
statefp100%69,707
countyfp100%69,707
countyname100%69,707
cousubfp100%69,707
cousubname100%69,707
tractce100%69,707
tractname100%69,707
taxacctnum99.4%69,316
taxyear<0.1%0
taxdistrict<0.1%0
usecode<0.1%0
usedesc<0.1%0
zoningcode81.0%56,490
zoningdesc71.8%50,063
numbldgs100%69,707
numunits0.7%477
yearbuilt<0.1%0
numfloors0.7%504
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
taxacres<0.1%0
calcarea100%69,707
saleamt<0.1%0
saledate<0.1%0
ownertype<0.1%6
ownername<0.1%6
owneraddr<0.1%5
ownercity<0.1%6
ownerstate<0.1%6
ownerzip<0.1%6
parceladdr99.5%69,382
parcelcity99.3%69,191
parcelstate100%69,707
parcelzip100%69,707
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype3.3%2,301
accesstype3.3%2,301
iucnclass1.5%1,013
placename6.9%4,815
placetype6.8%4,768
firmid100%69,704
firmdate100%69,704
fldzone100%69,704
zonesubty99.0%68,986
staticbfe<0.1%0
elevmin99.2%69,169
elevmax99.2%69,169
elevavg99.2%69,169
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
naicscode6.9%4,818
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%69,707
centroidx100%69,707
centroidy100%69,707
surfpointx100%69,707
surfpointy100%69,707
geom100%69,707
extras100%69,707
ownerlist<0.1%6
placefp45.7%31,829
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Carroll 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 — Carroll County, Maryland (24013) 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 apn search_apn owner_firstname owner_lastname owner_st_number owner_st_dir owner_st_name owner_st_type owner_st_unit owner_city owner_state owner_zip site_st_number site_st_dir site_st_name site_st_type site_st_unit site_city site_state site_zip geom 7 cols ⇢ parcelid parcelid2 ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip geom 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 99.2% elevmin 99.2% elevmax 99.2% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 99.0% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 99.4% taxacctnum 81.0% zoningcode 71.8% zoningdesc 100% numbldgs lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum zoningcode zoningdesc numbldgs calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (53) — empty or below 50% fill in this county parentid, stackid, taxyear, taxdistrict, usecode, usedesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist, placefp, zoningurl PARCEL 12 mapped · 3 transformed · 7 kept in extras · 42 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL apn search_apn owner_firstname owner_lastname owner_st_number owner_st_dir owner_st_name owner_st_type owner_st_unit owner_city owner_state owner_zip site_st_number site_st_dir site_st_name site_st_type site_st_unit site_city site_state site_zip geom parcelid parcelid2 ownername CAST(COALESCE(owner_firstname, '') || ' ' || COALESCE(owner_las… owneraddr CAST(COALESCE(owner_st_number, '') || ' ' || COALESCE(owner_st_… ownercity ownerstate ownerzip parceladdr CAST(COALESCE(site_st_number, '') || ' ' || COALESCE(site_st_di… parcelcity parcelstate parcelzip geom extras · 7 source columns preserved as json site_st_post_dir, clientid, shape_starea__, shape_stlength__ stagingid, oldglobalid, globalid extras not present in source — filled with NULL (42) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, legaldesc, township, section, qtrsection, range, plssdesc book, page, block, lot, updated, sourceurl, taxdistrict, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Carroll County:

Frequently asked questions

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

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

How many parcels are in Carroll County, MD?

The current dataset contains 69,707 parcel records for Carroll County, MD, each with its boundary geometry and assessor attributes.

What is the FIPS code for Carroll County, MD?

The FIPS code for Carroll County, MD is 24013.

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

Each Carroll 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 Carroll County, MD parcel data free?

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

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

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Attribute coverageSchema mappingNeighboring countiesFAQRelated