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Northwest Hills Planning Region, CT Parcels & GIS Data

Northwest Hills Planning Region, CT parcel data: 56,799 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Northwest Hills Planning Region, Connecticut parcel data covering 56,799 property records.

This page documents parcel-level coverage for Northwest Hills Planning Region, Connecticut. 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 Northwest Hills Planning Region are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Northwest Hills Planning Region property dataset.

The Northwest Hills Planning Region is a planning region and county-equivalent in the U.S. state of Connecticut. It is served by the coterminous Northwest Hills Council of Governments (NHCOG). In 2022, planning regions were approved to replace Connecticut's counties as county-equivalents for statistical purposes, with full implementation occurring by 2024.

FIPS 09160

The FIPS code for Northwest Hills Planning Region is 09160.

Explore Northwest Hills Planning Region data
DutchessWestern ConnecticutNaugatuck ValleyCapitolHampdenBerkshireNorthwest Hills
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Attribute coverage

Northwest Hills Planning Region contains 56,799 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%56,799
parcelid100%56,799
parcelid299.9%56,750
ogparcelid100%56,799
ogparcelid2100%56,776
parentid<0.1%0
stackid<0.1%0
geoid100%56,799
statefp100%56,799
countyfp100%56,799
countyname100%56,799
cousubfp100%56,799
cousubname100%56,799
tractce100%56,799
tractname100%56,799
taxacctnum2.1%1,178
taxyear91.3%51,839
taxdistrict<0.1%0
usecode20.0%11,347
usedesc60.9%34,605
zoningcode80.3%45,612
zoningdesc6.5%3,703
numbldgs99.3%56,401
numunits70.1%39,807
yearbuilt77.9%44,252
numfloors45.3%25,728
bldgsqft65.4%37,146
bedrooms48.3%27,434
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue88.0%49,960
landvalue88.0%49,960
agvalue88.0%49,960
totalvalue88.0%49,960
taxacres8.6%4,885
calcarea100%56,799
saleamt60.0%34,052
saledate72.1%40,927
ownertype92.8%52,718
ownername92.8%52,718
owneraddr83.6%47,493
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr97.8%55,532
parcelcity96.5%54,819
parcelstate100%56,799
parcelzip100%56,799
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype5.2%2,973
accesstype5.2%2,973
iucnclass4.4%2,501
placename9.1%5,154
placetype9.0%5,084
firmid10.8%6,108
firmdate10.8%6,108
fldzone10.8%6,108
zonesubty10.2%5,811
staticbfe<0.1%0
elevmin98.7%56,045
elevmax98.7%56,045
elevavg98.7%56,045
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
bldgtype<0.1%0
naicscode17.3%9,829
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%56,799
centroidx100%56,799
centroidy100%56,799
surfpointx100%56,799
surfpointy100%56,799
geom100%56,799
extras100%56,799
ownerlist<0.1%0

Schema mapping

How source columns from the acquired Northwest Hills Planning Region 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 — Northwest Hills Planning Region, Connecticut (09160) 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 parcelid parcelid2 totalvalue taxacres ownername parceladdr geom parentid 2 cols ⇢ parcelid parcelid2 totalvalue taxacres ownername parceladdr geom parentid extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 91.3% 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 10.8% fldzone 10.2% zonesubty 10.8% firmdate 10.8% firmid supplemented · derived / other pipelines 60.9% usedesc 80.3% zoningcode 99.3% numbldgs 70.1% numunits 77.9% yearbuilt 65.4% bldgsqft 88.0% imprvalue 88.0% landvalue 88.0% agvalue 60.0% saleamt 72.1% saledate 83.6% owneraddr 96.5% parcelcity 100% parcelstate 100% parcelzip lrid parcelid parcelid2 ogparcelid ogparcelid2 parentid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear usedesc zoningcode numbldgs numunits yearbuilt bldgsqft imprvalue landvalue agvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (43) — empty or below 50% fill in this county stackid, taxacctnum, taxdistrict, usecode, zoningdesc, numfloors, bedrooms, halfbaths, fullbaths, ownercity, ownerstate, ownerzip, legaldesc township, section, qtrsection, range, plssdesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, staticbfe fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit ownerlist PARCEL 8 mapped · 2 kept in extras · 46 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid parcelid2 totalvalue taxacres ownername parceladdr geom parentid parcelid parcelid2 totalvalue taxacres ownername parceladdr geom parentid extras · 2 source columns preserved as json ogparcelid, geoid extras not present in source — filled with NULL (46) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parcelcity, parcelstate, parcelzip legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, sourceurl, taxdistrict, fireplaces, heating cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Northwest Hills Planning Region:

Frequently asked questions

Where can I find Northwest Hills Planning Region, CT parcel and GIS data?

Land Records publishes a Northwest Hills Planning Region, CT 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 Northwest Hills Planning Region, CT dataset as a GeoPackage or CSV.

How many parcels are in Northwest Hills Planning Region, CT?

The current dataset contains 56,799 parcel records for Northwest Hills Planning Region, CT, each with its boundary geometry and assessor attributes.

What is the FIPS code for Northwest Hills Planning Region, CT?

The FIPS code for Northwest Hills Planning Region, CT is 09160.

What information does each Northwest Hills Planning Region, CT parcel record include?

Each Northwest Hills Planning Region, CT 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 Northwest Hills Planning Region, CT parcel data free?

You can preview Northwest Hills Planning Region, CT 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.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated