Test sites continue to open and close across the state as needed, visit https://dshs.texas.gov/coronavirus/testing.aspx to find the test collection location nearest to you.
Every home in the U.S. is eligible to order 4 free at-home COVID-19 tests. The tests are completely free. Orders will usually ship in 7-12 days. Order your tests now so you have them when you need them. https://www.covidtests.gov/
Dallas County testing siteshttps://www.dallascounty.org/covid-19/testing-locations.php
Rockwall County testing siteshttps://www.rockwallcountytexas.com/1023/COVID-19-Information
Google maps: https://www.google.com/maps/search/covid+testing+near+me/