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Northwest Hills Planning Region, CT Parcels & GIS Data

Northwest Hills Planning Region, CT parcel data: 70,768 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 70,768 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 70,768 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%70,768
parcelid97.1%68,723
parcelid299.9%70,675
ogparcelid100%70,733
ogparcelid299.8%70,659
parentid<0.1%0
stackid<0.1%0
geoid100%70,768
statefp100%70,768
countyfp100%70,768
countyname100%70,768
cousubfp100%70,768
cousubname100%70,768
tractce100%70,768
tractname100%70,768
taxacctnum1.7%1,178
taxyear100%70,768
taxdistrict<0.1%0
usecode89.0%62,993
usedesc90.1%63,793
zoningcode87.8%62,159
zoningdesc5.2%3,688
numbldgs81.3%57,514
numunits76.1%53,832
yearbuilt86.2%61,022
numfloors36.3%25,687
bldgsqft85.8%60,743
bedrooms74.6%52,824
halfbaths72.0%50,935
fullbaths72.3%51,171
imprvalue93.9%66,456
landvalue93.9%66,456
agvalue82.9%58,702
totalvalue93.9%66,456
taxacres93.7%66,323
calcarea100%70,768
saleamt74.9%53,001
saledate81.3%57,558
ownertype97.4%68,962
ownername97.4%68,962
owneraddr90.6%64,087
ownercity86.9%61,471
ownerstate86.8%61,454
ownerzip86.9%61,512
parceladdr92.3%65,317
parcelcity97.0%68,666
parcelstate100%70,768
parcelzip100%70,768
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
parceltype5.1%3,639
accesstype5.1%3,639
iucnclass4.3%3,026
placename8.9%6,314
placetype8.8%6,230
firmid9.7%6,887
firmdate9.7%6,887
fldzone9.7%6,887
zonesubty9.3%6,557
staticbfe<0.1%0
elevmin98.7%69,819
elevmax98.7%69,819
elevavg98.7%69,819
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
naicscode18.9%13,361
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated79.8%56,471
centroidx100%70,768
centroidy100%70,768
surfpointx100%70,768
surfpointy100%70,768
geom100%70,768
extras100%70,768
ownerlist96.9%68,576
placefp39.0%27,572
zoningurl<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 2026-08-15 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 parcel_id cama_link valuation_year state_use state_use_description zone ayb living_area number_of_bedroom number_of_half_baths number_of_baths assessed_building assessed_land assessed_total land_acres sale_price sale_date owner co_owner mailing_address mailing_city mailing_state mailing_zip location property_city property_zip edit_date geom 26 cols ⇢ parcelid parcelid2 taxyear usecode usedesc zoningcode yearbuilt bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue totalvalue taxacres saleamt saledate ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip updated geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 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 9.7% fldzone 9.3% zonesubty 9.7% firmdate 9.7% firmid supplemented · derived / other pipelines 81.3% numbldgs 76.1% numunits 82.9% agvalue 96.9% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear usecode usedesc zoningcode 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 firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (38) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, zoningdesc, numfloors, 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, placefp, zoningurl PARCEL 28 mapped · 4 transformed · 26 kept in extras · 26 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel_id cama_link valuation_year state_use state_use_description zone ayb living_area number_of_bedroom number_of_half_baths number_of_baths assessed_building assessed_land assessed_total land_acres sale_price sale_date owner co_owner mailing_address mailing_city mailing_state mailing_zip location property_city property_zip edit_date geom parcelid parcelid2 taxyear usecode usedesc zoningcode yearbuilt bldgsqft bedrooms halfbaths fullbaths number_of_baths::text::text imprvalue landvalue totalvalue taxacres saleamt NULLIF(sale_price, 0)::text saledate ownername NULLIF(concat_ws('; ', owner, co_owner), '')::text owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate 'CT'::text parcelzip updated geom extras · 26 source columns preserved as json town_name, location_1, parcel_type, unit_type, link collection_year, editor, editor_comment, link_1 pre_yr_assessed_total, appraised_land, appraised_building appraised_outbuilding, eyb, model, condition, effective_area total_rooms, prior_sale_date, prior_book_page prior_sale_price, occupancy, fips, cog, full_address full_mailing extras not present in source — filled with NULL (26) taxacctnum, zoningdesc, numbldgs, numunits, numfloors, agvalue, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block lot, sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding

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 70,768 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