Town Hall Address 411 E San Patricio Ave. Mathis, TX 78368 United States- San Patricio County Website https://www.cityofmathis.com Fire District 361-547-3308 308 E Fulton St. Mathis, TX 78368 United States Town Clerk 361-547-3343 411 E San Patricio Ave. Mathis, TX 78368 United States Water 361-547-5951 205 N. Nueces St. Mathis, TX 78368 United States Sewer 361-547-5951 205 N. Nueces St. Mathis, TX 78368 United States Tax Collector 361-547-3343 411 E San Patricio Ave. Mathis, TX 78368 United States Town Hall Hours Monday - Friday: 8:00 AM - 5:00 PM County San Patricio