Merrimack County, NH Parcels & GIS Data

Merrimack County, NH parcel data: 79,416 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 79,416 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 79,416 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%79,416
parcelid93.5%74,264
parcelid287.5%69,510
ogparcelid93.7%74,437
ogparcelid287.5%69,510
parentid<0.1%0
stackid<0.1%0
geoid100%79,416
statefp100%79,416
countyfp100%79,416
countyname100%79,416
cousubfp100%79,416
cousubname100%79,416
tractce100%79,416
tractname100%79,416
taxacctnum74.8%59,381
taxyear100%79,416
taxdistrict20.0%15,914
usecode74.7%59,322
usedesc46.3%36,775
zoningcode74.9%59,445
zoningdesc99.4%78,944
numbldgs99.5%79,021
numunits62.6%49,718
yearbuilt60.5%48,068
numfloors1.5%1,182
bldgsqft42.0%33,377
bedrooms74.7%59,328
halfbaths31.7%25,202
fullbaths41.7%33,106
imprvalue74.7%59,339
landvalue74.2%58,912
agvalue0.9%746
totalvalue74.7%59,350
taxacres74.7%59,339
calcarea100%79,416
saleamt0.9%685
saledate1.3%1,047
ownertype73.4%58,268
ownername73.4%58,268
owneraddr70.2%55,731
ownercity73.3%58,210
ownerstate73.3%58,196
ownerzip73.3%58,199
parceladdr67.0%53,201
parcelcity80.1%63,607
parcelstate100%79,416
parcelzip100%79,416
legaldesc26.7%21,218
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book62.7%49,829
page1.3%1,044
block69.7%55,328
lot94.6%75,112
parceltype2.7%2,155
accesstype3.3%2,635
iucnclass2.9%2,265
placename7.8%6,216
placetype7.7%6,117
firmid100%79,406
firmdate100%79,406
fldzone100%79,406
zonesubty95.5%75,878
staticbfe0.5%358
elevmin98.7%78,419
elevmax98.7%78,419
elevavg98.7%78,419
fireplaces<0.1%0
heating1.2%944
heatfuel1.2%944
cooling1.2%983
foundation<0.1%0
roofcover1.2%983
siding1.2%983
bldgtype16.0%12,673
naicscode11.0%8,732
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%79,415
centroidx100%79,416
centroidy100%79,416
surfpointx100%79,416
surfpointy100%79,416
geom100%79,416
extras100%79,416
ownerlist49.5%39,313
placefp37.5%29,795
zoningurl33.0%26,221
lbcsactivity72.6%57,678
lbcsfunction72.0%57,186
lbcstype77.4%61,491
lbcscharacter92.8%73,709
lbcsownership74.5%59,154
sourceurl51.4%40,841

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) 2 entities · most recent acquisition per entity · generated 2026-10-10 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 full_num pid landuse zone model unitcnt actyrbuilt bldgarea bedrooms parcelbldg parcelland parceltota acres stnum street lot geom id map unit gisnote ac_calc taxmap_gis crd_count notes bldgeffare bathrooms parcelfeat parcelcucr parcelto_1 valueacre cu_percent vpa_cuadj parcel_num feature_id parcelid parcelid2 usedesc zoningdesc numbldgs numunits yearbuilt bldgsqft bedrooms imprvalue landvalue totalvalue taxacres parceladdr lot geom extras ZONING abbreviateddistrict geom 2 cols ⇢ zoningcode geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 98.7% elevmin 98.7% elevmax 98.7% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 95.5% zonesubty 0.5% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 74.8% taxacctnum 74.7% usecode 73.4% ownertype 73.4% ownername 70.2% owneraddr 73.3% ownercity 73.3% ownerstate 73.3% ownerzip 80.1% parcelcity 100% parcelstate 100% parcelzip 62.7% book 69.7% block 72.6% lbcsactivity 72.0% lbcsfunction 77.4% lbcstype 92.8% lbcscharacter 74.5% lbcsownership 51.4% sourceurl lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt bldgsqft bedrooms imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip book block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (38) — empty or below 50% fill in this county parentid, stackid, taxdistrict, numfloors, halfbaths, fullbaths, agvalue, saleamt, saledate, legaldesc, 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, placefp, zoningurl PARCEL 17 mapped · 11 transformed · 38 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL full_num pid landuse zone model unitcnt actyrbuilt bldgarea bedrooms parcelbldg parcelland parceltota acres stnum street lot geom id map unit gisnote ac_calc taxmap_gis crd_count notes bldgeffare bathrooms parcelfeat parcelcucr parcelto_1 valueacre cu_percent vpa_cuadj parcel_num feature_id parcelid NULLIF(TRIM(full_num), '')::text parcelid2 NULLIF(TRIM(pid), '')::text usedesc NULLIF(TRIM(landuse), '')::text zoningdesc NULLIF(TRIM(zone), '')::text numbldgs array_length(string_to_array(NULLIF(TRIM(model), ''), ';'), 1):… numunits yearbuilt NULLIF(TRIM((string_to_array(actyrbuilt, ';'))[1]), '')::text bldgsqft NULLIF(TRIM((string_to_array(bldgarea, ';'))[1]), '')::text bedrooms NULLIF(TRIM((string_to_array(bedrooms, ';'))[1]), '')::text imprvalue landvalue totalvalue taxacres parceladdr NULLIF(TRIM(CONCAT_WS(' ', NULLIF(TRIM(stnum::text), '0'), NULL… lot NULLIF(TRIM(lot), '')::text geom extras json_build_object( 'id', id::text, 'map', map::text, 'unit', un… not present in source — filled with NULL (38) taxacctnum, taxyear, usecode, zoningcode, numfloors, halfbaths, fullbaths, agvalue, saleamt, saledate, ownername, owneraddr, ownercity ownerstate, ownerzip, parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, updated sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 2 mapped · 1 transformed · 2 kept in extras · 7 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING abbreviateddistrict geom zoningcode COALESCE(NULLIF(TRIM(abbreviateddistrict), '')::text, NULL::tex… geom extras · 2 source columns preserved as json jurisdiction, acres extras not present in source — filled with NULL (7) zoningdesc, zoningtype, ordinance, setbacks, restrictions, notes, sourceurl

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 79,416 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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