Texas Emissions Testing 2025 Dates. However, annual emissions testing is still required in major metropolitan areas, including tarrant county, dallas county, parker county, and more. The 17 texas counties that require emissions inspections will still mandate annual emissions tests regardless of the bill becoming law.

Beginning january 1, 2025, noncommercial vehicles in texas will no longer be required to have an annual safety inspection. The 17 texas counties that require emissions inspections will still mandate annual emissions tests regardless of the bill becoming law.