Napa County GIS Property Maps

Search for Napa County CA GIS maps and property maps. Property maps show property and parcel boundaries, municipal boundaries, and zoning boundaries, and GIS maps show floodplains, air traffic patterns, and soil composition.


Napa County Assessors determine the value of properties and parcels in order to assess property taxes in Napa County, CA. The Assessor's Office maintains current data on every parcel in the district, which includes Napa County GIS maps, tax maps, and property maps. These maps show property lines, structures, addresses, and the value of properties in the Assessor's jurisdiction. Tax Assessor's Offices provide online access to property maps.

Napa County Assessor's Office Napa CA 1127 1st Street 94559 707-253-4467


Napa County Building Departments develop and enforce building codes to ensure the construction of safe buildings in Napa County, CA. The Building Department maintains records on design plans for construction and renovation projects, which can include Napa County GIS maps and zoning maps. These maps show property lines, current structures on the parcel, and modifications to any structures, including new buildings. Many Building Depts provide online databases to access GIS databases, maps and related property information.

American Canyon Planning Department American Canyon CA 4381 Broadway Street 94503 707-647-4336

Calistoga City Building Department Calistoga CA 1232 Washington Street 94515 707-942-2827

Napa Building Department Napa CA 1600 1st Street 94559 707-257-9540

Napa County Building Department, Planning, Zoning and Permits Napa CA 1195 3rd Street 94559 707-253-4417

Napa County Zoning Napa CA 1195 3rd Street 94559 707-253-4416

Napa Planning Department Napa CA 1600 1st St 94559 707-257-9530

Saint Helena Planning Department St. Helena CA 1480 Main Street 94574 707-968-2659

St Helena Building Department St. Helena CA 1480 Main Street 94574 707-968-2657


Napa County Clerks file documents and preserve municipal records in order to maintain an archive in Napa County, CA. The Clerk's Office contains a number of documents on property, including GIS maps and property maps that show property lines, registered lands, and, in some cases, property tax assessments. Napa County GIS maps may also include information on soil composition, floodplains, air traffic, and more. Many County Clerk Offices provide online databases to access GIS and property maps.

Calistoga City Clerk Calistoga CA 1232 Washington Street 94515 707-942-2805

Napa County Clerk Napa CA 1195 3rd Street 94559 707-253-4421


Napa County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the public in Napa County, CA. The Deeds Registrar maintains records on land transactions within its jurisdiction, including Napa County GIS and property maps. These maps show property lines, Napa County property and parcel surveys, and, in some cases, property transactions and tax liens. Many Recorders of Deeds provide online databases to access free GIS maps, as well as related property information.

Napa County Recorder of Deeds Napa CA PO Box 298 94559 707-253-4246


Napa County Town Halls or City Halls are the chief administrative offices that run a town or city in Napa County, CA. The Town or City Hall maintains property records related to the locality, including Napa County GIS maps. These maps show Napa County property lines, municipal boundaries, zoning boundaries, and property value assessments. GIS maps of Napa County may also include information on soil composition, floodplains, air traffic, and more. Many Town and City Halls provide online databases to access GIS and property maps.

American Canyon City Hall American Canyon CA 4381 Broadway Street 94503 707-647-4360

Calistoga City Hall Calistoga CA 1232 Washington Street 94515 707-942-2800

Napa City Hall Napa CA 1600 1st Street 94559 707-257-9646

Napa County City Hall American Canyon CA 300 Crawford Way 94503 707-647-4360

St Helena City Hall St. Helena CA Ste A, 1480 Main St 94574 707-967-2792

Yountville Town Hall Yountville CA 6550 Yount St 94599 707-944-8851


Napa County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Napa County, CA. The Office of the Treasurer and Tax Collector maintains current data on every parcel in the district, which includes property maps complete with Napa County GIS data. These maps show property lines, structures, addresses, and the value of properties in the Treasurer and Tax Collector's Napa County assessment roll. Many Treasurers and Tax Collectors provide online databases to access GIS and property maps, as well as related property information.

Napa County Treasurer-Tax Collector's Office Napa CA 1195 3rd Street 94559 707-253-4327