Napa County parcel data

Parcel records for Napa County, California: owners, assessed values, sales and boundaries.
Parcels
51,251
Last updated
Oct 2, 2026
Cities and towns
5
Zoning
Not yet

Cities and towns in Napa County

What each Napa County parcel record includes

  • Parcel number and boundary
  • Owners of record and mailing address
  • Assessed and market value
  • Most recent sale: price, date and deed
  • Lot size, land use and property class
  • Building: year built, area and units
  • Legal description
  • Zoning district
Example parcel · Napa County2.14 ac
Parcel number0651-45-8213
Owner of recordExample Holdings LLC
Market value 2026$486,300
Last sale$412,000 · 2021
Land useSingle family
Year built1998

Get Napa County parcels through the API

Search by address, owner, lot size, value or sale date.

Get an API keyRead the API docs 
curl -G 'https://api.placestack.com/v1/parcel' \
  -H "Authorization: Bearer $PLACESTACK_API_KEY" \
  --data-urlencode 'fips=06055'

Frequently asked questions

How many parcels are in Napa County?
Placestack has 51,251 parcel records for Napa County, California.
What does a Napa County parcel record include?
The parcel number and boundary, owners of record and their mailing address, assessed and market value, the most recent sale, lot size, land use, the main building and the legal description.
Is Napa County zoning available?
Not yet for Napa County. Parcel records are available now.
How do I get Napa County parcel data?
Through the API, the MCP server or the map in the console.

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