New Castle County, DE Parcels & GIS Data

New Castle County, DE parcel data: 213,520 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 213,520 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 213,520 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%213,520
parcelid100%213,520
parcelid21.1%2,370
ogparcelid100%213,520
ogparcelid20.6%1,364
parentid5.2%11,155
stackid5.4%11,592
geoid100%213,520
statefp100%213,520
countyfp100%213,520
countyname100%213,520
cousubfp100%213,520
cousubname100%213,520
tractce100%213,520
tractname100%213,520
taxacctnum1.3%2,795
taxyear97.9%209,075
taxdistrict96.7%206,497
usecode95.9%204,671
usedesc93.3%199,313
zoningcode90.8%193,841
zoningdesc90.9%194,134
numbldgs100%213,507
numunits24.9%53,198
yearbuilt17.6%37,668
numfloors1.4%3,016
bldgsqft17.6%37,664
bedrooms17.5%37,318
halfbaths17.0%36,311
fullbaths17.5%37,307
imprvalue16.2%34,608
landvalue18.0%38,354
agvalue<0.1%0
totalvalue18.0%38,456
taxacres100%213,520
calcarea100%213,520
saleamt30.8%65,784
saledate31.8%67,802
ownertype89.5%191,061
ownername89.4%190,966
owneraddr90.9%193,995
ownercity90.7%193,642
ownerstate90.7%193,617
ownerzip90.7%193,578
parceladdr97.2%207,475
parcelcity89.6%191,404
parcelstate100%213,520
parcelzip100%213,520
legaldesc86.2%184,000
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book21.4%45,685
page31.3%66,900
block35.6%76,049
lot82.9%176,944
parceltype2.1%4,502
accesstype2.1%4,502
iucnclass1.9%4,150
placename5.1%10,787
placetype5.0%10,705
firmid100%213,520
firmdate100%213,520
fldzone100%213,520
zonesubty98.2%209,663
staticbfe1.0%2,055
elevmin99.8%213,128
elevmax99.8%213,128
elevavg99.8%213,128
fireplaces<0.1%0
heating0.7%1,401
heatfuel0.7%1,401
cooling0.7%1,401
foundation0.8%1,779
roofcover0.8%1,738
siding0.8%1,779
bldgtype16.8%35,977
naicscode4.9%10,541
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%213,520
centroidx100%213,520
centroidy100%213,520
surfpointx100%213,520
surfpointy100%213,520
geom100%213,520
extras100%213,520
ownerlist88.9%189,846
placefp45.0%96,125
zoningurl76.8%163,977
lbcsactivity95.8%204,590
lbcsfunction94.6%201,946
lbcstype97.9%208,978
lbcscharacter95.9%204,806
lbcsownership90.0%192,086
sourceurl89.5%191,037

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 2026-10-17 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 pin acres updated geom 1 cols ⇢ parcelid taxacres updated geom extras REFTABLE parcelid new_oid year_built tot_adj_l_area num_bedrooms half_baths full_baths salesamt salesdttm mailing_location address deedbook deedpage bldg_design tot_sqf_l_area grade style att_garage_cap geom 5 cols ⇢ parcelid parcelid2 yearbuilt bldgsqft bedrooms halfbaths fullbaths saleamt saledate owneraddr parceladdr book page bldgtype livingarea bldgquality architecture garagestalls geom extras ZONING geom zone_code zone_desc 7 cols ⇢ geom zoningcode zoningdesc extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 97.9% 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 96.7% taxdistrict 95.9% usecode 93.3% usedesc 100% numbldgs 89.5% ownertype 89.4% ownername 90.7% ownercity 90.7% ownerstate 90.7% ownerzip 89.6% parcelcity 100% parcelstate 100% parcelzip 86.2% legaldesc 82.9% lot 88.9% ownerlist 76.8% zoningurl 95.8% lbcsactivity 94.6% lbcsfunction 97.9% lbcstype 95.9% lbcscharacter 90.0% lbcsownership 89.5% sourceurl lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs yearbuilt bldgsqft bedrooms halfbaths fullbaths taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc book page lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg bldgtype updated centroidx centroidy surfpointx surfpointy geom extras ownerlist zoningurl lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (34) — empty or below 50% fill in this county parentid, stackid, taxacctnum, numunits, numfloors, imprvalue, landvalue, agvalue, totalvalue, township, section, qtrsection, range, plssdesc block, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding 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 19 mapped · 1 transformed · 5 kept in extras · 102 unmapped (NULL) SOURCE COLUMNS HARMONIZED → REFTABLE parcelid new_oid year_built tot_adj_l_area num_bedrooms half_baths full_baths salesamt salesdttm mailing_location address deedbook deedpage bldg_design tot_sqf_l_area grade style att_garage_cap geom parcelid parcelid2 yearbuilt bldgsqft bedrooms halfbaths fullbaths saleamt saledate to_timestamp(salesdttm / 1000.0)::text owneraddr parceladdr book page bldgtype livingarea bldgquality architecture garagestalls geom extras · 5 source columns preserved as json prclky, prclid, multideed, curdeed, code extras not present in source — filled with NULL (102) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, imprvalue, landvalue, agvalue, totalvalue, taxacres ownername, ownercity, ownerstate, ownerzip, parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc block, lot, zoningtype, zoningordinance, zoningsetbacks, zoningrestrictions, landusecode, landusedesc, lbcsdimension, lbcscode, house, category near, house_number, road, unit, level, staircase, entrance, po_box, postcode, suburb, city_district, city, island, state_district, state country_region, country, world_region, numfloors, yearremodel, bldgcondition, totalrooms, fireplaces, heating, cooling, foundation, attic atticsqft, intwall, extwall, roofstyle, roofcover, roofheight, fsagpfeet, siding, framing, basementsqft, attgaragesqft, detgaragesqft situsaddress, appraisedvalue, assessedvalue, boatlift, boatdock, boathouse, pool, gazebo, irrigation, riprap, solarium, carport, greenhouse openporch, enclporch, sauna, wooddeck, hottub, patio, shed, workshop, sourceurl, taxdistrict, parentid, heatfuel ZONING 3 mapped · 7 kept in extras · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom zone_code zone_desc geom zoningcode zoningdesc extras · 7 source columns preserved as json objectid_1, parcel_id, created_user, created_date last_edited_user, last_edited_date, zoneacre extras not present in source — filled with NULL (6) zoningtype, 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 213,520 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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