Merrimack County, NH Parcels & GIS Data

Merrimack County, NH parcel data: 64,231 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 64,231 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.

GraftonBelknapRockinghamStraffordHillsboroughSullivanMerrimack
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Attribute coverage

Merrimack County contains 64,231 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%64,231
parcelid99.6%63,967
parcelid2100%64,231
ogparcelid100%64,231
ogparcelid2100%64,231
parentid<0.1%0
stackid<0.1%0
geoid100%64,231
statefp100%64,231
countyfp100%64,231
countyname100%64,231
cousubfp100%64,231
cousubname100%64,231
tractce100%64,231
tractname100%64,231
taxacctnum7.0%4,469
taxyear30.8%19,805
taxdistrict82.5%52,973
usecode99.8%64,111
usedesc80.6%51,769
zoningcode30.8%19,766
zoningdesc<0.1%0
numbldgs81.5%52,363
numunits29.0%18,642
yearbuilt73.6%47,248
numfloors28.9%18,541
bldgsqft75.0%48,154
bedrooms69.9%44,909
halfbaths23.5%15,078
fullbaths70.3%45,159
imprvalue75.3%48,378
landvalue83.6%53,680
agvalue13.2%8,468
totalvalue85.9%55,146
taxacres78.0%50,129
calcarea100%64,231
saleamt25.1%16,119
saledate30.8%19,777
ownertype87.4%56,164
ownername87.4%56,164
owneraddr87.2%55,990
ownercity87.2%55,998
ownerstate87.2%55,988
ownerzip87.1%55,962
parceladdr99.1%63,658
parcelcity100%64,231
parcelstate100%64,231
parcelzip100%64,231
legaldesc55.0%35,296
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book98.5%63,299
page30.8%19,773
block97.4%62,576
lot85.7%55,067
parceltype3.6%2,322
accesstype3.6%2,322
iucnclass3.1%1,992
placename8.5%5,463
placetype8.3%5,356
firmid100%64,231
firmdate100%64,231
fldzone100%64,231
zonesubty95.7%61,498
staticbfe0.4%230
elevmin98.6%63,334
elevmax98.6%63,334
elevavg98.6%63,334
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
bldgtype68.0%43,708
naicscode8.5%5,463
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%64,231
centroidx100%64,231
centroidy100%64,231
surfpointx100%64,231
surfpointy100%64,231
geom100%64,231
extras100%64,231
ownerlist62.1%39,873
placefp38.7%24,836
zoningurl<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 2026-08-30 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 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 82.5% taxdistrict 80.6% usedesc 81.5% numbldgs 73.6% yearbuilt 75.0% bldgsqft 69.9% bedrooms 70.3% fullbaths 75.3% imprvalue 83.6% landvalue 85.9% totalvalue 78.0% taxacres 87.4% ownertype 87.4% ownername 87.2% owneraddr 87.2% ownercity 87.2% ownerstate 87.1% ownerzip 100% parcelstate 100% parcelzip 68.0% bldgtype 62.1% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode usedesc numbldgs numunits yearbuilt bldgsqft bedrooms fullbaths imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc book block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg bldgtype updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (36) — empty or below 50% fill in this county parentid, stackid, taxacctnum, zoningcode, zoningdesc, numfloors, halfbaths, agvalue, saleamt, saledate, township, section, qtrsection, range plssdesc, page, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl 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 64,231 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.

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