County Auditor

The County Auditor is the Chief Financial Officer of the County. The County Auditor is Martha Galarza, CPA. The responsibilities of the County Auditor include:
  • Financial accounting and reporting the results of the operations to the Commissioners Court and the District Judges of Cameron County.
  • General audit oversight of the books and records maintained by the elected and appointed officials of the County.
  • Processing vendor payments and payroll.
  • Financial advice to Commissioners Court, when requested.
Office hours are 8:00 a.m. to 5:00 p.m.  Monday through Friday…
Welcome to the Cameron County Payroll Department Webpage. Payroll is part of the Auditor’s Office, a Division of Finance & Administration. It is located on the third floor of the Dancy Building.


In this website, you will find a multitude of links and help for every employee. Please feel free to browse our website. If there is anything missing or you would like to see added, please send an email to Payroll.


The Accounts Payable Division of the Auditor’s Office is responsible for processing claims of all goods and services purchased by Cameron County.  The accounts payable division routes the invoices to the corresponding department for approval. Functions of the accounts payable division include the processing of vendor payments, procurement credit cards, and travel reimbursement. The accounts payable division assists vendors with questions or concerns regarding payment processing. For inquiries related to payment processing or status of invoices, please contact this division.


Please Note:

  • Checks are processed every Friday and are distributed by the Treasurer’s Office upon approval by Commissioners’ Court.
  • Commissioners’ Court regular meetings are on a biweekly basis.
  • It is necessary for all invoices to be received at accounts payable by Tuesday, 5:00 p.m. to meet the deadline of Friday’s check processing.
  • All invoices should be mailed to:

Cameron County
Auditor’s Office – Accounts Payable
1100 E.  Monroe St.
Brownsville, TX 78520

If any questions, please call (956) 544-0822

Welcome to the Cameron County Travel Department Web Page. This site is under construction, but does have some information available, so browse around, but be sure to check back regularly for the latest from the Travel Department.


You will find the latest information regarding Property Tax Rates.  This page is updated as the information is received from the budget office.Xavier Villarreal , Deputy County Administrator

Contact Information

Lorena Hernandez, CPA
Ph: (956) 544-0822 | Fax: (956) 548-9527

Diana Cruz, Accounts Payable

Norma Cardona, Payroll

Mary A. Chapa, Travel
Fax: (956) 544-0876