Looking for more detailed information about a property?

Try the Napa County Geographic Information Systems database

Geographic Information Systems database. Simply log onto this link by clicking on

the link address below.

Then enter the property address or assessor’s parcel number. Select “Custom” and
then choose the information you wish to access. Before you know it, you’ll be well

into your due diligence process.


Here are some of the questions that can be answered by this helpful resource:


· How is the property zoned?

· What does the parcel look like topographically? (Click on the word “Contours”

in the left hand column. You’ll be taken to a contour map of the parcel)

· What does the parcel look like from an aerial photograph?

· Who are the neighboring parcels as identified by the Assessor’s Parcel

Number and what do those parcels look like? (Highlight “Zoom Out” and click

on the parcel, then highlight “Identify” and click on the neighboring parcel of


· Are there recorded maps and surveys available for the property?

· Is the parcel in a FEMA flood zone?

· Is the parcel in a ground water deficient area?

· In what watershed area is the parcel located?

· What soil types can be found on the property?

· Are there any faults, hazardous materials, spotted owls, special plants or

landslides found on or associated with the property?