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Merrimack County, NH Parcels & GIS Data

Merrimack County, NH parcel data: 64,215 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Merrimack County, New Hampshire parcel data covering 64,215 property records.

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

Merrimack County is a county in the U.S. state of New Hampshire. As of the 2020 Census, the population was 153,808, making it the third most populous county in New Hampshire. Its county seat is Concord, the state capital.

FIPS 33013

Official county website: http://www.merrimackcounty.net

The FIPS code for Merrimack County is 33013.

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GraftonBelknapRockinghamStraffordHillsboroughSullivanMerrimack
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Attribute coverage

Merrimack County contains 64,215 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%64,215
parcelid99.6%63,950
parcelid2100%64,215
ogparcelid100%64,215
ogparcelid2100%64,215
parentid<0.1%0
stackid<0.1%0
geoid100%64,215
statefp100%64,215
countyfp100%64,215
countyname100%64,215
cousubfp100%64,215
cousubname100%64,215
tractce100%64,215
tractname100%64,215
taxacctnum7.0%4,469
taxyear30.8%19,805
taxdistrict<0.1%0
usecode99.6%63,953
usedesc80.6%51,789
zoningcode30.8%19,766
zoningdesc<0.1%0
numbldgs81.6%52,389
numunits29.0%18,626
yearbuilt28.8%18,500
numfloors28.8%18,525
bldgsqft30.8%19,805
bedrooms26.4%16,966
halfbaths1.2%783
fullbaths26.4%16,975
imprvalue29.1%18,702
landvalue27.1%17,432
agvalue13.2%8,468
totalvalue25.0%16,053
taxacres<0.1%0
calcarea100%64,215
saleamt25.1%16,119
saledate30.8%19,777
ownertype30.8%19,805
ownername30.8%19,805
owneraddr26.0%16,688
ownercity25.9%16,652
ownerstate25.9%16,652
ownerzip25.9%16,652
parceladdr96.5%61,961
parcelcity100%64,215
parcelstate100%64,215
parcelzip100%64,215
legaldesc55.0%35,317
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book98.5%63,255
page30.8%19,773
block97.4%62,532
lot85.7%55,023
parceltype3.6%2,309
accesstype3.6%2,309
iucnclass3.1%1,979
placename8.5%5,444
placetype8.3%5,339
firmid100%64,215
firmdate100%64,215
fldzone100%64,215
zonesubty95.7%61,463
staticbfe0.4%227
elevmin98.6%63,321
elevmax98.6%63,321
elevavg98.6%63,321
fireplaces<0.1%0
heating27.5%17,657
heatfuel26.5%16,994
cooling28.8%18,496
foundation<0.1%6
roofcover28.8%18,496
siding28.8%18,496
bldgtype<0.1%0
naicscode8.5%5,444
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%64,215
centroidx100%64,215
centroidy100%64,215
surfpointx100%64,215
surfpointy100%64,215
geom100%64,215
extras100%64,215
ownerlist<0.1%0

Schema mapping

How source columns from the acquired Merrimack 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 — Merrimack County, New Hampshire (33013) 1 entity · most recent acquisition per entity · generated 2026-07-25 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 pid nhgis_id slu unit address town_name sub map block lot currentto cama_link geom 15 cols ⇢ parcelid parcelid2 usecode numunits parceladdr parcelcity legaldesc book block lot updated sourceurl geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 30.8% taxyear geom · derived from geometry geom dem.us_1m · USGS 1m DEM 98.6% elevmin 98.6% elevmax 98.6% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 95.7% zonesubty 0.4% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 80.6% usedesc 81.6% numbldgs 100% parcelstate 100% parcelzip lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear usecode usedesc numbldgs numunits calcarea parceladdr parcelcity parcelstate parcelzip legaldesc book block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (51) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownertype, ownername, owneraddr, ownercity, ownerstate, ownerzip, township section, qtrsection, range, plssdesc, page, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist PARCEL 13 mapped · 15 kept in extras · 41 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pid nhgis_id slu unit address town_name sub map block lot currentto cama_link geom parcelid parcelid2 usecode numunits parceladdr parcelcity legaldesc book block lot updated sourceurl geom extras · 15 source columns preserved as json oid_1, county_name, map_cut, block_cut, lot_cut, unit_cut slum, old_id, town_name_1, unit_1, featureid, nhgis_id_1 no_cards, sluc, frequency extras not present in source — filled with NULL (41) taxacctnum, taxyear, usedesc, zoningcode, zoningdesc, numbldgs, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parcelstate, parcelzip township, section, qtrsection, range, plssdesc, page, taxdistrict, parentid, fireplaces, heating, cooling, foundation, roofcover, siding heatfuel

Neighboring counties

Parcel data for counties bordering Merrimack County:

Frequently asked questions

Where can I find Merrimack County, NH parcel and GIS data?

Land Records publishes a Merrimack County, NH 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 Merrimack County, NH dataset as a GeoPackage or CSV.

How many parcels are in Merrimack County, NH?

The current dataset contains 64,215 parcel records for Merrimack County, NH, each with its boundary geometry and assessor attributes.

What is the FIPS code for Merrimack County, NH?

The FIPS code for Merrimack County, NH is 33013.

What information does each Merrimack County, NH parcel record include?

Each Merrimack County, NH 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 Merrimack County, NH parcel data free?

You can preview Merrimack County, NH 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 Merrimack County, NH have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated