For 2026, the sales tax rate in Montgomery County, Texas stands at 8.25% — a combination of the 6.25% state rate and 2% local levy. The county's 630,000 residents make it an important market in the region.
For a $500 purchase in Montgomery County, the sales tax would be $41.25, bringing the total to $541.25.
Business Compliance in Montgomery County
Businesses must register with the Texas Comptroller of Public Accounts to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 630,000, Montgomery County offers significant market potential for businesses of all sizes.