S&P Global Ratings assigned its 'AA' long-term rating to Waller County , Texas' anticipated $10 million series 2025 tax notes. At the same time, S&P Global Ratings affirmed its 'AA' long-term rating on the county's general obligation (GO) debt and certificates of obligation outstanding. The outlook is stable. Proceeds from the tax notes will be used for various land purchases, improvements to existing county buildings, including the courthouse, and various design costs. The county?s outstanding bonds and notes are payable from an ad valorem tax, levied on all taxable property in the county, within the limits prescribed by law. The maximum allowable ad valorem tax rate for Texas counties is 80 cents per $100 of assessed value (AV) for all