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Permit Database Information

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Permit Sonoma uses a database system to track the many types of permits and activities processed at Permit Sonoma. The public can view Permit Sonoma activities and permits through the Permits Online permitting tool. When looking at Permit Sonoma records, it is helpful to be familiar with certain codes used in this system. This page provides links to documents that are helpful in interpreting Permit Sonoma's records both historical and current.

On this page:

Area ID

The county is divided into geographic areas for the purposes of various types of inspections that Permit Sonoma staff performs. These areas are named for communities, but are not necessarily contiguous with any individual community boundary due to aggregation of several communities into the larger area.

These areas are called Area IDs and are appended to the address attached to a permit. Three character IDs indicate unincorporated areas and two character IDs are incorporated cities.

Permit Sonoma Area ID Map (PDF)

Permit Types

Permit Sonoma processes many types of applications and permits. As of July 1, 1999, the first three characters of the record number indicate the Permit Type (previously known as FileTypes).

A variety of number schemes were used on historical files which can be found in Permit Sonoma's database.

Permit Types (Permit Numbering Information)

Parcel Report

Find out important information about your parcel including:

  • Jurisdiction (unincorporated Sonoma County or incorporated city)
  • Zoning and Land Use
  • Groundwater Availability
  • Supervisorial District
  • Williamson Act Land Contract
  • and more

Search for Your Parcel Report