S&P Global Ratings has assigned its 'AA-' long-term rating to Houston County, Ala.'s series 2017 general obligation (GO) refunding warrants. At the same time, S&P Global Ratings affirmed its 'AA-' long-term rating on the county's GO debt outstanding. The outlook is stable. The warrants are a GO of the county, for the payment of which the county has irrevocably pledged its full-faith-credit-and-taxing power. The property tax pledge in Alabama is limited; the state has statutory-tax limitations that include debt-service levies. While the tax is technically limited, our analysis focuses on the strength of the full-faith-and-credit pledge, which we consider equal in credit quality to an unlimited-tax-GO pledge. Officials will use warrant proceeds to refund some series of warrants for interest