S&P Global Ratings raised its underlying rating (SPUR) on Harris County Municipal Utility District (MUD) No.460, Texas' general obligation (GO) debt one notch to 'BBB+' from 'BBB'. At the same time, S&P Global Ratings assigned its 'BBB+' long-term rating to the MUD's roughly $5.1 million series 2024 unlimited-tax GO road bonds. The outlook is stable. The rating action reflects our opinion of the MUD's maintenance of extraordinarily high reserves and robust assessed value growth during the past three years that we think will likely continue due to its location in the Houston-Woodlands-Sugar Land metropolitan statistical area (MSA). Revenue from an unlimited ad valorem tax levied on all taxable property within the MUD secures the series 2024 bonds and existing GO