The county treasurer is the county's banker. As the chief custodian of county finance, the county treasurer:
- Deposits and accounts for all money in a designated depository
- Pays and applies or disburses all money in such a manner as the Commissioners' Court may direct, by law
- Receives all money belonging to the county from whatever source
- Banker for Hood County government working with all departments and the public for receiving and disbursing funds, including general payments of county expenses, payments for jury duty, election workers, and payroll.
- Investment Officer for Hood County working with Investment Committee, Commissioners Court and the banking community to ensure highest and safest investment returns on Hood County funds. Insuring proper collateral for all Hood County investments and funds, and proposes and oversees Hood County Investment Policy in compliance with the Public Funds Investment Act.
- Contract Administrator for the Hood County Bank Depository including negotiating of contracts and management of all facets of banking services for Hood County.
- Agent for required monthly, quarterly, or annual federal and/or State of Texas reports and payments for Hood County.
- Custodian of unclaimed property for Hood County. The county treasurer's office administers the unclaimed property that is turned over to the treasurer's office quarterly and/or annually when the owner's whereabouts are unknown and property has been inactive on the books of the reporting agency or department for the appropriate period of time.
- Custodian of Sheriff's Bail Bond collateral.
- Chairman of the Hood County Investment Committee as well as a statutory member of the Hood County Bail Bond Board.
All receipts of any official that belong to the county must be turned over to the county treasurer daily. The county treasurer often acts as the chief liaison between the county and all depository banks. In this capacity, he or she maintains records of all deposits and withdrawals and reconciles all bank statements, thus assuring their accuracy and the safety of county funds.
The county treasurer, who may be designated as the county's investment officer, is required to submit regular reports on county finance to the members of the Commissioners' Court to inspect and verify.