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Norfolk County, MA Parcels & GIS Data

Norfolk County, MA parcel data: 235,036 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Norfolk County, Massachusetts parcel data covering 235,036 property records.

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

Norfolk County is a county located in the Commonwealth of Massachusetts. At the 2020 census, the population was around 725,981. Its county seat is Dedham. The county was named after the English county of the same name.

FIPS 25021

Official county website: https://www.norfolkcounty.org/

The FIPS code for Norfolk County is 25021.

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Attribute coverage

Norfolk County contains 235,036 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%235,036
parcelid99.9%234,849
parcelid288.6%208,325
ogparcelid100%234,957
ogparcelid290.7%213,193
parentid52.9%124,259
stackid<0.1%0
geoid100%235,036
statefp100%235,036
countyfp100%235,036
countyname100%235,036
cousubfp100%235,036
cousubname100%235,036
tractce100%235,036
tractname100%235,036
taxacctnum12.7%29,880
taxyear100%235,036
taxdistrict2.7%6,251
usecode79.5%186,847
usedesc83.3%195,746
zoningcode99.7%234,240
zoningdesc99.4%233,656
numbldgs100%235,036
numunits77.3%181,608
yearbuilt64.8%152,301
numfloors68.5%161,075
bldgsqft74.9%176,034
bedrooms0.1%311
halfbaths0.1%158
fullbaths0.1%307
imprvalue79.5%186,964
landvalue79.4%186,585
agvalue3.0%6,974
totalvalue79.4%186,585
taxacres91.7%215,455
calcarea100%235,036
saleamt79.0%185,586
saledate77.3%181,788
ownertype79.4%186,732
ownername79.4%186,732
owneraddr79.3%186,437
ownercity79.4%186,619
ownerstate79.4%186,596
ownerzip79.4%186,606
parceladdr97.4%228,911
parcelcity98.6%231,857
parcelstate100%235,036
parcelzip100%235,018
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book69.6%163,657
page68.8%161,786
block27.9%65,576
lot38.2%89,676
parceltype1.4%3,376
accesstype2.1%5,018
iucnclass1.4%3,333
placename4.2%9,852
placetype4.1%9,722
firmid100%234,979
firmdate100%234,979
fldzone100%234,979
zonesubty95.9%225,317
staticbfe1.6%3,659
elevmin99.7%234,343
elevmax99.7%234,343
elevavg99.7%234,343
fireplaces<0.1%0
heating<0.1%46
heatfuel<0.1%46
cooling<0.1%48
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode11.1%26,082
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%235,036
centroidx100%235,036
centroidy100%235,036
surfpointx100%235,036
surfpointy100%235,036
geom100%235,036
extras100%235,036
ownerlist60.4%142,030
placefp65.5%153,958
zoningurl27.3%64,101
lbcsactivity99.4%233,616
lbcsfunction98.0%230,390
lbcstype98.4%231,292
lbcscharacter99.6%234,071
lbcsownership79.9%187,869
sourceurl3.8%8,995

Schema mapping

How source columns from the acquired Norfolk 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 — Norfolk County, Massachusetts (25021) 3 entities · most recent acquisition per entity · generated 2026-10-17 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 ADDRESS addressnum geom featureid house_number geom extras PARCEL parcel_num alt_num areatype area ma_ls_book ma_ls_page block lot ma_last_edit geom map building type full_num ma_map_par_id ma_loc_id ma_source ma_plan_id ma_bnd_chk ma_no_match mapshade parcelid parcelid2 taxacres book page block lot updated geom extras ZONING town_zone town_descr town_zone_ lot_size sourcethm geom 15 cols ⇢ zoningcode zoningdesc ordinance restrictions notes 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 geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 95.9% zonesubty 1.6% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 52.9% parentid 79.5% usecode 83.3% usedesc 100% numbldgs 77.3% numunits 64.8% yearbuilt 68.5% numfloors 74.9% bldgsqft 79.5% imprvalue 79.4% landvalue 79.4% totalvalue 79.0% saleamt 77.3% saledate 79.4% ownertype 79.4% ownername 79.3% owneraddr 79.4% ownercity 79.4% ownerstate 79.4% ownerzip 97.4% parceladdr 98.6% parcelcity 100% parcelstate 100% parcelzip 60.4% ownerlist 65.5% placefp 99.4% lbcsactivity 98.0% lbcsfunction 98.4% lbcstype 100% lbcscharacter 79.9% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 parentid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt numfloors bldgsqft imprvalue landvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip book page block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (34) — empty or below 50% fill in this county stackid, taxacctnum, taxdistrict, bedrooms, halfbaths, fullbaths, agvalue, legaldesc, township, section, qtrsection, range, plssdesc parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl, sourceurl ADDRESS 3 mapped · 1 transformed · 19 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ADDRESS addressnum geom featureid house_number geom extras json_build_object('featureid', featureid::text)::text not present in source — filled with NULL (19) house, category, near, road, unit, level, staircase, entrance, po_box, postcode, suburb, city_district, city, island, state_district, state country_region, country, world_region PARCEL 10 mapped · 2 transformed · 45 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel_num alt_num areatype area ma_ls_book ma_ls_page block lot ma_last_edit geom map building type full_num ma_map_par_id ma_loc_id ma_source ma_plan_id ma_bnd_chk ma_no_match mapshade parcelid parcelid2 taxacres CASE WHEN upper(trim(areatype)) = 'AC' THEN area::text WHEN upp… book page block lot updated geom extras json_build_object( 'map', map::text, 'building', building::text… not present in source — filled with NULL (45) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parceladdr parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, sourceurl, taxdistrict, parentid, heatfuel fireplaces, heating, cooling, foundation, roofcover, siding ZONING 6 mapped · 4 transformed · 15 kept in extras · 3 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING town_zone town_descr town_zone_ lot_size sourcethm geom zoningcode NULLIF( CASE WHEN town_zone::text ~ '^[0-9]{1,3}[A-Za-z]' THEN … zoningdesc NULLIF(town_descr, 'Null')::text ordinance NULLIF(town_zone_, 'Null')::text restrictions notes NULLIF(sourcethm, 'Null')::text geom extras · 15 source columns preserved as json area, perimeter, zn5_, zn5_id, poly_, subclass, subclass_ rings_ok, rings_nok, id, id1, reg_zcode, town_code, acres zonecode2 extras not present in source — filled with NULL (3) zoningtype, setbacks, sourceurl

Neighboring counties

Parcel data for counties bordering Norfolk County:

Frequently asked questions

Where can I find Norfolk County, MA parcel and GIS data?

Land Records publishes a Norfolk County, MA 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 Norfolk County, MA dataset as a GeoPackage or CSV.

How many parcels are in Norfolk County, MA?

The current dataset contains 235,036 parcel records for Norfolk County, MA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Norfolk County, MA?

The FIPS code for Norfolk County, MA is 25021.

What information does each Norfolk County, MA parcel record include?

Each Norfolk County, MA 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 Norfolk County, MA parcel data free?

You can preview Norfolk County, MA 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 Norfolk County, MA have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated