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Napa County, CA Parcels & GIS Data

Napa County, CA parcel data: 50,174 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Napa County, California parcel data covering 50,174 property records.

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

Napa County is a county north of San Pablo Bay located in the northern portion of the U.S. state of California. As of the 2020 United States census, the population was 138,019. The county seat is the City of Napa.

FIPS 06055

Official county website: https://www.napacounty.gov/

The FIPS code for Napa County is 06055.

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Attribute coverage

Napa County contains 50,174 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%50,174
parcelid100%50,174
parcelid276.2%38,210
ogparcelid100%50,174
ogparcelid276.2%38,210
parentid<0.1%0
stackid<0.1%0
geoid100%50,174
statefp100%50,174
countyfp100%50,174
countyname100%50,174
cousubfp100%50,174
cousubname100%50,174
tractce100%50,174
tractname100%50,174
taxacctnum<0.1%13
taxyear<0.1%13
taxdistrict100%50,165
usecode100%50,174
usedesc100%50,170
zoningcode98.9%49,624
zoningdesc98.9%49,623
numbldgs96.5%48,410
numunits2.0%982
yearbuilt<0.1%7
numfloors99.9%50,108
bldgsqft<0.1%13
bedrooms<0.1%13
halfbaths<0.1%7
fullbaths<0.1%13
imprvalue93.7%47,034
landvalue93.7%47,036
agvalue93.7%47,034
totalvalue93.7%47,036
taxacres100%50,171
calcarea100%50,174
saleamt<0.1%0
saledate76.9%38,581
ownertype99.0%49,685
ownername99.0%49,680
owneraddr92.4%46,368
ownercity97.9%49,125
ownerstate97.9%49,126
ownerzip97.9%49,136
parceladdr95.4%47,842
parcelcity95.4%47,871
parcelstate100%50,174
parcelzip100%50,156
legaldesc63.6%31,907
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%7
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype2.2%1,122
accesstype2.2%1,122
iucnclass1.0%506
placename8.0%3,994
placetype7.9%3,946
firmid100%50,174
firmdate100%50,174
fldzone100%50,174
zonesubty95.8%48,077
staticbfe0.9%471
elevmin97.7%49,003
elevmax97.7%49,003
elevavg97.7%49,003
fireplaces<0.1%13
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
naicscode8.0%3,993
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated99.9%50,113
centroidx100%50,174
centroidy100%50,174
surfpointx100%50,174
surfpointy100%50,174
geom100%50,174
extras100%50,168
lrversion100%50,174

Schema mapping

How source columns from the acquired Napa 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 — Napa County, California (06055) 1 entity · most recent acquisition per entity · generated 2026-07-13 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 asmt landusecode description floor acres streetaddr community zip geom tra 25 cols ⇢ parcelid usecode usedesc numfloors taxacres parceladdr parcelcity parcelzip geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% updated 100% lrversion geom · derived from geometry geom dem.us_1m · USGS 1m DEM 97.7% elevmin 97.7% elevmax 97.7% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 95.8% zonesubty 0.9% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 76.2% parcelid2 76.2% ogparcelid2 98.9% zoningcode 98.9% zoningdesc 96.5% numbldgs 93.7% imprvalue 93.7% landvalue 93.7% agvalue 93.7% totalvalue 76.9% saledate 99.0% ownertype 99.0% ownername 92.4% owneraddr 97.9% ownercity 97.9% ownerstate 97.9% ownerzip 100% parcelstate 63.6% legaldesc lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numfloors imprvalue landvalue agvalue totalvalue taxacres calcarea saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lrversion publish.parcel_layer columns not fed by these sources (39) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, numunits, yearbuilt, bldgsqft, bedrooms, halfbaths, fullbaths, saleamt, 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 PARCEL 10 mapped · 25 kept in extras · 44 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL asmt landusecode description floor acres streetaddr community zip geom tra parcelid usecode usedesc numfloors taxacres parceladdr parcelcity parcelzip geom taxdistrict extras · 25 source columns preserved as json objectid_1, streetnum, streetdir, street, streettype spaceapt, landuse1, notes, prcl_size_sqft, descr, multiplier method, factor, hh_pop, col_g, col_h, col_i, col_j, col_k col_l, col_m, col_n, col_o, col_p, col_q extras not present in source — filled with NULL (44) parcelid2, taxacctnum, taxyear, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parcelstate, legaldesc, township section, qtrsection, range, plssdesc, book, page, block, lot, updated, sourceurl, parentid, fireplaces, heating, cooling, foundation, roofcover siding, heatfuel

Neighboring counties

Parcel data for counties bordering Napa County:

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Attribute coverageSchema mappingNeighboring countiesRelated
Napa County, CA Parcels & GIS Data — Property Records & Maps | Land Records