SoCoData Open Information
This page provides links to several sets of publicly available and useful data maintained by the Sonoma County Auditor-Controller-Treasurer-Tax Collector's office.
Delinquent Property Tax Data
The data linked below indicates parcels that have delinquent property taxes. The delinquent tax amounts shown should not be used as a payoff amount. Please visit our property tax payment website to determine the delinquent amount due.
Stale-Dated Check Data
Please note that checks listed as stale-dated may have been subsequently reissued. A check's presence in this dataset does not guarantee that the funds are still claimable.