Property and Map Information


    Planning, Building and Environmental ServicesDavid Morrison - Director of Planning, Building and Environmental Services

    David Morrison 2014

    Planning, Building and Environmental ServicesYour Place for Planning, Building and Environmental Permits

    Review of Plansets

    Planning, Building and Environmental ServicesNapa Valley Business Park

    Napa Business Park

    Planning, Building and Environmental ServicesLiving in a Food Safe Environment

    Farmers Market

    Planning, Building and Environmental ServicesVineyard Management

    Vineyard Conservation

    Planning, Building and Environmental ServicesBuilding Construction

    Building Construction


About Us





Environmental Health


Citizen Portal Your place to find Permits and Application Status

!!! Important Earthquake Information !!!

Resources for Earthquake Recovery  


Beware of Contractor Scams and Unlicensed Contractors

Q & A- Contractor Scams - English

Q & A- Contractor Scams - Spanish


Building Permits Resources Post Earthquake

Red Tag and Yellow Tag Buildings in Napa County


Earthquake Related Building Inspections:

  • If you are looking for an emergency inspection due to the earthquake, and their property is in the county, call (707) 299-1998 to request an inspection. Leave the requested info, and an inspection will be scheduled. This is for quake damage ONLY.
  • If you need an inspection within the City limits regarding earthquake damage, contact the City of Napa Building Department at (707) 257-9540 or call the City Building Inspection line at (707) 258-7829.

Regular Building Inspections (not quake related):

  • We are currently scheduling for next week. Please call (707) 253-4416 to schedule an inspection.

Same Day Permits:                                                                                                                                                 


Safety Hazards Management after an Earthquake  

Food Facilities Safety  


Drinking Water and Safety Options

Boiling Water

Appendix to Bolling Water

Chlorination of Water Wells



Use this link to go directly to Property and Map Information if you do not require the instructions below for navigating the site.  The Property and Map Information page provide links to "My Property" and aerial map view from our GIS (Graphical Information System) data.

Welcome to the Geocortex Viewer for Silverlight. The Viewer allows you to display and interact with online maps. This means that you can annotate and save a particular map, share a map with others, search for data, zoom or pan to specific features, and run and print reports.  You will have to install Silverlight add-in for the application to work, this may take a few minutes to install.  Once it's installed you can use most any computer operating system you have.  If you do not find what you are looking for, please call or visit our office so that we can assist you.

- Click on "
I want to…"

I want to…

- To see all property information related to a specific property. Select “Get Parcel Report”.

- A popup will appear where you can enter your parcel number or address.

- When entering a parcel number you must use all 12 numbers without dashes.  Start by entering the first 3 to 6 numbers of the parcel and pause a moment. A list will appear of all parcel numbers with numbers entered.  Narrow your search by entering more or all of the numbers of the parcel.

- If searching by address, start with the street number and pause a moment after entering the street number, a list of street names will appear related to that street number. To narrow down the list, start typing the first few letter of the street name.

- Once the search criteria has been entered, click on the Submit button at the bottom of the search screen.

 - Make sure the popup blocker is turned off before trying to access hyperlinks.

- Wait a few moments, a small Download box will appear.  Click the hyperlink “Click Here To Download Your Report.”  The report will contain many aspects of the property; Aerial map, environmental data, boundary & jurisdiction data, cultural data, and county permit data.

At anytime while using any section of the property system; click the F1 key to open the Help information in the area you are viewing.

Press the F1 key anywhere in the application to open a help topic about that feature.  Not every feature has a help topic.

Accessing Tips
Press the F1 key anywhere in the application to open a help topic about that feature.  Not every feature has a help topic.

For hyperlinks to work best, make sure that your popup blocker is turned off.

This database may not contain all documents for a particular location. Documents related to land use, food, water, pools and spas, or sewage may be stored in other locations. Not all documents are printable from our electronic document database.  


Please contact the Department Monday through Friday 8:00 AM to 5:00 PM at (707) 253-4417 for assistance.

Property and Map Information  
  • The GIS Map Viewer will allow you to find properties within the County of Napa by Parcel or Address, save property image to JPG or PDF.  Use this link to quickly and efficiently research property data, including active Building, Planning, Public Works and Environmental Health and Conservation permits, aerial photos, district supervisors, school districts, and voting precincts.
  • This Map Viewer requires that Microsoft install a plugin on your internet browser called 'Silverlight".  This software allows you to use the Map Viewer and is harmless to your computer. 


Assessor's Info

Assessor's information page providing maps, data and business property e-filings.


Google Maps

Google Maps is a map service that you view in your web browser. Depending on your location, you can view basic or custom maps and local business information, including business locations, contact information, and driving directions. Click and drag maps to view adjacent sections immediately. View satellite images of your desired location that you can zoom and pan.