Embattled San Mateo County Sheriff Christina Corpus can now add allegations of budget mismanagement to the list of grievances the county has brought against her.

The San Mateo County Board of Supervisors approved a resolution Tuesday directing the County Executive’s Office to oversee finances in the Sheriff’s Office because of its low reserves.

After a review of finances in the Sheriff’s Office, it was discovered that its reserves make up less than 0.5% of its 2025-26 fiscal year budget of $324.2 million, far below the county’s requirement of at least 4%.

Under the county reserves policy, when the reserves of a department make up less than 2% of its budget, the county executive is delegated to provide additional oversight over the department’s finances.

“The County Reserves Policy is c

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