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Montgomery County, MD Parcels & GIS Data

Montgomery County, MD parcel data: 290,746 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Montgomery County, Maryland parcel data covering 290,746 property records.

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

Montgomery County is the most populous county in the U.S. state of Maryland. As of the 2020 United States census, the county's population was 1,062,061, increasing by 9.3% from 2010. The county seat is Rockville, while its most populous place is Germantown.

FIPS 24031

Official county website: https://www.montgomerycountymd.gov/

The FIPS code for Montgomery County is 24031.

Explore Montgomery County data
HowardFrederickLoudounFairfaxArlingtonDistrict of ColumbiaPrince George'sMontgomery
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Attribute coverage

Montgomery County contains 290,746 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%290,746
parcelid100%290,637
parcelid2100%290,624
ogparcelid9.7%28,341
ogparcelid2<0.1%0
parentid9.7%28,328
stackid<0.1%0
geoid100%290,746
statefp100%290,746
countyfp100%290,746
countyname100%290,746
cousubfp100%290,746
cousubname100%290,746
tractce100%290,746
tractname100%290,746
taxacctnum99.9%290,591
taxyear99.9%290,545
taxdistrict9.7%28,114
usecode62.2%180,922
usedesc98.2%285,432
zoningcode93.4%271,610
zoningdesc<0.1%101
numbldgs90.0%261,813
numunits90.3%262,472
yearbuilt9.7%28,148
numfloors57.9%168,314
bldgsqft88.2%256,338
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue93.2%270,996
landvalue93.5%271,816
agvalue80.3%233,338
totalvalue93.5%271,815
taxacres9.7%28,336
calcarea100%290,746
saleamt63.7%185,100
saledate88.4%257,054
ownertype<0.1%0
ownername96.8%281,531
owneraddr96.9%281,620
ownercity9.7%28,335
ownerstate9.7%28,326
ownerzip9.7%28,226
parceladdr91.5%265,976
parcelcity9.4%27,244
parcelstate100%290,740
parcelzip9.6%27,838
legaldesc96.8%281,561
township<0.1%0
section<0.1%51
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book9.9%28,745
page20.3%58,945
parceltype2.1%6,159
accesstype2.1%6,159
iucnclass1.1%3,173
placename7.1%20,760
placetype7.0%20,359
firmid100%290,662
firmdate100%290,662
fldzone100%290,662
zonesubty99.5%289,186
staticbfe<0.1%7
elevmin2.2%6,356
elevmax2.2%6,356
elevavg2.2%6,356
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
updated90.3%262,507
centroidx100%290,746
centroidy100%290,746
surfpointx100%290,746
surfpointy100%290,746
geom100%290,746
lrversion100%290,746

Neighboring counties

Parcel data for counties bordering Montgomery County:

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Attribute coverageNeighboring countiesRelated