New Castle County, DE Parcels & GIS Data

New Castle County, DE parcel data: 211,103 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes New Castle County, Delaware parcel data covering 211,103 property records.

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

New Castle County is the northernmost of the three counties of the U.S. state of Delaware. As of the 2020 census, the population was 570,719, making it the most populous county in Delaware, with nearly 60% of the state's population of 989,948. The county seat is Wilmington, which is also the state's most populous city.

FIPS 10003

Official county website: http://newcastlecity.delaware.gov

The FIPS code for New Castle County is 10003.

KentKentGloucesterSalemCecilChesterDelawareNew Castle
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Attribute coverage

New Castle County contains 211,103 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%211,103
parcelid100%211,103
parcelid21.1%2,273
ogparcelid100%211,103
ogparcelid20.7%1,389
parentid3.2%6,845
stackid3.8%7,966
geoid100%211,103
statefp100%211,103
countyfp100%211,103
countyname100%211,103
cousubfp100%211,103
cousubname100%211,103
tractce100%211,103
tractname100%211,103
taxacctnum<0.1%6
taxyear100%211,103
taxdistrict96.7%204,112
usecode97.1%204,958
usedesc93.1%196,498
zoningcode92.0%194,180
zoningdesc92.1%194,476
numbldgs97.8%206,503
numunits25.4%53,704
yearbuilt10.5%22,131
numfloors1.4%3,024
bldgsqft10.5%22,124
bedrooms10.3%21,786
halfbaths9.9%20,801
fullbaths10.3%21,774
imprvalue16.5%34,880
landvalue18.3%38,664
agvalue<0.1%0
totalvalue18.4%38,766
taxacres100%211,103
calcarea100%211,103
saleamt25.0%52,691
saledate25.9%54,769
ownertype91.2%192,609
ownername91.2%192,512
owneraddr91.1%192,265
ownercity91.1%192,253
ownerstate91.1%192,228
ownerzip91.0%192,189
parceladdr97.1%205,057
parcelcity91.4%192,975
parcelstate100%211,103
parcelzip100%211,103
legaldesc87.9%185,461
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book20.1%42,365
page25.1%53,036
block36.3%76,666
lot84.5%178,313
parceltype2.1%4,500
accesstype2.1%4,500
iucnclass2.0%4,151
placename5.2%10,966
placetype5.2%10,879
firmid100%211,103
firmdate100%211,103
fldzone100%211,103
zonesubty98.2%207,250
staticbfe1.0%2,056
elevmin99.8%210,708
elevmax99.8%210,708
elevavg99.8%210,708
fireplaces<0.1%0
heating0.7%1,413
heatfuel0.7%1,413
cooling0.7%1,413
foundation0.9%1,795
roofcover0.8%1,754
siding0.9%1,795
bldgtype9.6%20,250
naicscode5.1%10,714
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%211,103
centroidx100%211,103
centroidy100%211,103
surfpointx100%211,103
surfpointy100%211,103
geom100%211,103
extras100%211,103
ownerlist90.7%191,381
placefp45.1%95,169
zoningurl81.2%171,443
lbcsactivity97.6%205,973
lbcsfunction94.8%200,106
lbcstype99.7%210,478
lbcscharacter97.7%206,180
lbcsownership91.7%193,635
sourceurl91.2%192,576

Schema mapping

How source columns from the acquired New Castle 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 — New Castle County, Delaware (10003) 3 entities · most recent acquisition per entity · generated 2026-10-10 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 pin acres updated geom 1 cols ⇢ parcelid taxacres updated geom extras REFTABLE prclid shortprcl propclass lotsz cntctlast ownaddr owncity ownstate ownzip primaddr city state zip township planmedia atlaspage block lot stno stname taxarea parentparcel geom 22 cols ⇢ parcelid parcelid2 usecode taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip township book page block lot house_number road taxdistrict parentid geom extras ZONING code descriptio generic_de geom 7 cols ⇢ zoningcode zoningdesc zoningtype 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 98.2% zonesubty 1.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 93.1% usedesc 97.8% numbldgs 87.9% legaldesc 90.7% ownerlist 81.2% zoningurl 97.6% lbcsactivity 94.8% lbcsfunction 100% lbcstype 97.7% lbcscharacter 91.7% lbcsownership 91.2% sourceurl lrid parcelid parcelid2 ogparcelid ogparcelid2 parentid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township book page block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist zoningurl lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (39) — empty or below 50% fill in this county stackid, taxacctnum, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue saleamt, saledate, section, qtrsection, range, plssdesc, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp PARCEL 4 mapped · 2 transformed · 1 kept in extras · 50 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin acres updated geom parcelid NULLIF(TRIM(BOTH ' ' FROM pin), '')::text taxacres updated CASE WHEN updated IS NULL OR updated::text <= '0'::text THEN NU… geom extras · 1 source columns preserved as json county extras not present in source — filled with NULL (50) parcelid2, 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, book, page, block, lot, sourceurl taxdistrict, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding REFTABLE 23 mapped · 22 kept in extras · 98 unmapped (NULL) SOURCE COLUMNS HARMONIZED → REFTABLE prclid shortprcl propclass lotsz cntctlast ownaddr owncity ownstate ownzip primaddr city state zip township planmedia atlaspage block lot stno stname taxarea parentparcel geom parcelid parcelid2 usecode taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip township book page block lot house_number road taxdistrict parentid geom extras · 22 source columns preserved as json hansenkey, created_date, last_edited_date, prclky description, area, lotdpth, lotfrontag, adddate, mapno ownaddr2, owncountry, subdiv, predir, postdir, stsub, suffix subdivcode, commelem, assessordistrict, lndpricety servicedate extras not present in source — filled with NULL (98) taxacctnum, taxyear, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, totalvalue, saleamt, saledate, legaldesc, section, qtrsection, range, plssdesc, zoningtype, zoningordinance, zoningsetbacks zoningrestrictions, landusecode, landusedesc, lbcsdimension, lbcscode, house, category, near, unit, level, staircase, entrance, po_box postcode, suburb, city_district, city, island, state_district, state, country_region, country, world_region, bldgtype, numfloors, yearremodel livingarea, bldgquality, bldgcondition, architecture, totalrooms, fireplaces, heating, cooling, foundation, attic, atticsqft, intwall, extwall roofstyle, roofcover, roofheight, fsagpfeet, siding, framing, basementsqft, attgaragesqft, detgaragesqft, garagestalls, situsaddress appraisedvalue, assessedvalue, boatlift, boatdock, boathouse, pool, gazebo, irrigation, riprap, solarium, carport, greenhouse, openporch enclporch, sauna, wooddeck, hottub, patio, shed, workshop, sourceurl, heatfuel ZONING 4 mapped · 7 kept in extras · 5 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING code descriptio generic_de geom zoningcode zoningdesc zoningtype geom extras · 7 source columns preserved as json fips, acres, globalid, created_us, created_da, last_edite last_edi_1 extras not present in source — filled with NULL (5) ordinance, setbacks, restrictions, notes, sourceurl

Neighboring counties

Parcel data for counties bordering New Castle County:

Frequently asked questions

Where can I find New Castle County, DE parcel and GIS data?

Land Records publishes a New Castle County, DE 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 New Castle County, DE dataset as a GeoPackage or CSV.

How many parcels are in New Castle County, DE?

The current dataset contains 211,103 parcel records for New Castle County, DE, each with its boundary geometry and assessor attributes.

What is the FIPS code for New Castle County, DE?

The FIPS code for New Castle County, DE is 10003.

What information does each New Castle County, DE parcel record include?

Each New Castle County, DE 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 New Castle County, DE parcel data free?

You can preview New Castle County, DE 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 New Castle County, DE have an official GIS or property records website?

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

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