Open Data

OPEN CHECKBOOK

Interested in knowing how the county spends its money? Open checkbook includes expenditures totally $5,000 or more and includes several sort features to filter searches by type, department or payee. 


UNCASHED CHECKS

If you are the payee and your check has been lost, destroyed or has become stale-dated, please fill out this Affidavit of Lost or Destroyed Check form and follow the included instructions to obtain a replacement check.


OPEN DATA

San Mateo County is dedicated to providing taxpayers with access to information related to county business. Explore data on restaurant inspections, track county initiatives, build apps, follow announcements, review expenditures and much more. 

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