"...the tax rate is...probably the greatest tax rate increase in the history of Harris County," a commissioner said. Harris County commissioners voted to increase pay for several county leadership roles and raise constable pay to over $300,000. Harris County commissioners voted to increase pay for several county leadership roles and raise constable pay to over $300,000. Harris County commissioners voted to increase pay for several county leadership roles and raise constable pay to over $300,000. HOUSTON, Texas (KTRK) -- One Harris County commissioner had a warning for homeowners ahead of a property tax rate increase that could be coming.