Land Records Logo

Land Records

Northwest Hills Planning Region, CT Parcels & GIS Data

Northwest Hills Planning Region, CT parcel data: 71,235 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 71,235 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.

ExploreBuyDownload Northwest Hills Planning Region data
DutchessWestern ConnecticutNaugatuck ValleyCapitolHampdenBerkshireNorthwest Hills

Attribute coverage

Northwest Hills Planning Region contains 71,235 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%71,235
parcelid97.0%69,110
parcelid299.9%71,141
ogparcelid99.9%71,134
ogparcelid299.8%71,123
parentid<0.1%0
stackid<0.1%0
geoid100%71,235
statefp100%71,235
countyfp100%71,235
countyname100%71,235
cousubfp100%71,235
cousubname100%71,235
tractce100%71,235
tractname100%71,235
taxacctnum1.7%1,177
taxyear100%71,235
taxdistrict<0.1%0
usecode89.0%63,404
usedesc90.1%64,204
zoningcode87.8%62,528
zoningdesc5.2%3,688
numbldgs81.1%57,763
numunits75.9%54,082
yearbuilt86.1%61,366
numfloors36.1%25,690
bldgsqft85.8%61,108
bedrooms74.5%53,095
halfbaths71.8%51,181
fullbaths72.2%51,441
imprvalue93.9%66,869
landvalue93.9%66,871
agvalue82.7%58,878
totalvalue93.9%66,871
taxacres93.7%66,740
calcarea100%71,235
saleamt74.7%53,213
saledate81.3%57,910
ownertype97.4%69,379
ownername97.4%69,379
owneraddr90.5%64,498
ownercity86.9%61,880
ownerstate86.8%61,862
ownerzip86.9%61,922
parceladdr92.3%65,779
parcelcity97.0%69,080
parcelstate100%71,235
parcelzip100%71,235
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%3,716
accesstype5.2%3,716
iucnclass4.4%3,100
placename9.0%6,413
placetype8.9%6,329
firmid10.0%7,115
firmdate10.0%7,115
fldzone10.0%7,115
zonesubty9.5%6,776
staticbfe<0.1%1
elevmin98.6%70,255
elevmax98.6%70,255
elevavg98.6%70,255
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
naicscode19.0%13,509
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated79.3%56,491
centroidx100%71,235
centroidy100%71,235
surfpointx100%71,235
surfpointy100%71,235
geom100%71,235
extras100%71,235
ownerlist96.8%68,987
placefp38.8%27,673
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 2026-08-30 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 98.6% elevmin 98.6% elevmax 98.6% elevavg s_fld_haz_ar · FEMA NFHL 10.0% fldzone 9.5% zonesubty 0.0% staticbfe 10.0% firmdate 10.0% firmid supplemented · derived / other pipelines 81.1% numbldgs 75.9% numunits 82.7% agvalue 96.8% 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 staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (37) — 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, 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 71,235 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