Napa County, California

51,224 parcels with boundaries, owners, assessed values and land use, sourced December 2025.

$199once

All 51,224 parcels, every field this county publishes, in 5 formats — GeoParquet, GeoPackage, Shapefile, GeoJSON, CSV. Delivered by email in minutes.

Parcel boundaries over aerial imagery of Napa County, California
Napa County, California · Imagery: USDA NAIP (public domain)
Parcels
51,224
County area
752 sq mi
Buildings matched
71,086
Source
December 2025

What is in the file

Every field Napa County publishes

Counties publish different things, so we measure what share of this county's parcels actually carry each field rather than promising all of them.

Nearly every parcelSome parcelsFew parcels

Identifiers

Parcel ID100%
Parcel ID (alt 1)100%
Parcel ID (alt 2)0%
Parcel ID (alt 3)0%

Property Address

Property Address87%
Property City87%
Property State100%
Property ZIP100%

Owner

Owner Name99%
Owner Address0%
Owner City0%
Owner State0%
Owner ZIP0%

Valuation

Assessed Value99%
Land Value99%
Improvement Value99%
Assessment Year0%
Tax Amount0%

Building & Land

Acreage100%
Year Built86%
Square Footage76%
Bedrooms0%
Land Use100%
Zoning86%

Sale & Legal

Sale Price0%
Sale Date0%
Deed Book0%
Deed Page0%
Legal Description0%
Subdivision0%

Jurisdiction & Location

Municipality0%
School District0%
Latitude100%
Longitude100%

Record Dates

Record Created33%
Record Updated0%

More than one county

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