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Northwest Hills Planning Region, CT Parcels & GIS Data

Northwest Hills Planning Region, CT parcel data: 68,565 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 68,565 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.

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DutchessWestern ConnecticutNaugatuck ValleyCapitolHampdenBerkshireNorthwest Hills

Attribute coverage

Northwest Hills Planning Region contains 68,565 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%68,565
parcelid96.9%66,445
parcelid299.9%68,487
ogparcelid99.9%68,464
ogparcelid299.9%68,481
parentid<0.1%0
stackid<0.1%0
geoid100%68,565
statefp100%68,565
countyfp100%68,565
countyname100%68,565
cousubfp100%68,565
cousubname100%68,565
tractce100%68,565
tractname100%68,565
taxacctnum8.3%5,701
taxyear100%68,565
taxdistrict<0.1%0
usecode85.8%58,810
usedesc88.7%60,798
zoningcode88.1%60,375
zoningdesc11.9%8,163
numbldgs96.4%66,093
numunits71.1%48,747
yearbuilt83.1%56,950
numfloors35.4%24,282
bldgsqft82.7%56,679
bedrooms73.2%50,212
halfbaths70.6%48,384
fullbaths70.9%48,592
imprvalue87.4%59,933
landvalue87.4%59,934
agvalue76.2%52,260
totalvalue90.8%62,244
taxacres93.8%64,295
calcarea100%68,565
saleamt71.5%49,057
saledate77.8%53,363
ownertype91.0%62,399
ownername91.0%62,399
owneraddr87.3%59,850
ownercity83.6%57,295
ownerstate83.5%57,271
ownerzip83.6%57,330
parceladdr93.7%64,226
parcelcity98.4%67,477
parcelstate100%68,565
parcelzip100%68,565
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
block6.6%4,517
lot6.6%4,524
parceltype5.0%3,456
accesstype5.0%3,461
iucnclass4.3%2,927
placename8.8%6,031
placetype8.7%5,962
firmid10.3%7,054
firmdate10.3%7,054
fldzone10.3%7,054
zonesubty9.8%6,728
staticbfe<0.1%1
elevmin98.7%67,674
elevmax98.7%67,674
elevavg98.7%67,674
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
naicscode17.4%11,947
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated96.4%66,093
centroidx100%68,565
centroidy100%68,565
surfpointx100%68,565
surfpointy100%68,565
geom100%68,565
extras100%68,565
ownerlist90.7%62,168
placefp39.8%27,304
zoningurl67.8%46,458
lbcsactivity86.3%59,193
lbcsfunction81.2%55,702
lbcstype89.4%61,298
lbcscharacter92.7%63,530
lbcsownership91.9%63,035
sourceurl6.8%4,695

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) 2 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 PARCEL gis_tag parcel_id account_nu acres_tax address town block lot geom 8 cols ⇢ parcelid parcelid2 taxacctnum taxacres parceladdr parcelcity block lot geom extras ZONING zone zone_name geom zoningcode zoningdesc 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 96.4% 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 10.3% fldzone 9.8% zonesubty 0.0% staticbfe 10.3% firmdate 10.3% firmid supplemented · derived / other pipelines 85.8% usecode 88.7% usedesc 96.4% numbldgs 71.1% numunits 83.1% yearbuilt 82.7% bldgsqft 73.2% bedrooms 70.6% halfbaths 70.9% fullbaths 87.4% imprvalue 87.4% landvalue 76.2% agvalue 90.8% totalvalue 71.5% saleamt 77.8% saledate 91.0% ownertype 91.0% ownername 87.3% owneraddr 83.6% ownercity 83.5% ownerstate 83.6% ownerzip 100% parcelstate 100% parcelzip 90.7% ownerlist 67.8% zoningurl 86.3% lbcsactivity 81.2% lbcsfunction 89.4% lbcstype 92.7% lbcscharacter 91.9% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue agvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist zoningurl lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (33) — empty or below 50% fill in this county parentid, stackid, taxdistrict, numfloors, legaldesc, township, section, qtrsection, range, plssdesc, book, page, parceltype, accesstype iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl caapermit, cwapermit, rcrapermit, placefp, sourceurl PARCEL 9 mapped · 8 kept in extras · 45 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL gis_tag parcel_id account_nu acres_tax address town block lot geom parcelid parcelid2 taxacctnum taxacres parceladdr parcelcity block lot geom extras · 8 source columns preserved as json street_no, st_name, acres_gis, street_no2, address_2, map town_no, unit extras not present in source — filled with NULL (45) taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parcelstate, parcelzip legaldesc, township, section, qtrsection, range, plssdesc, book, page, updated, sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating cooling, foundation, roofcover, siding ZONING 4 mapped · 1 transformed · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING zone zone_name geom zoningcode zoningdesc geom extras json_build_object()::jsonb not present in source — filled with NULL (6) zoningtype, ordinance, setbacks, restrictions, notes, sourceurl

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 68,565 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.

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Attribute coverageSchema mappingNeighboring countiesFAQRelated