In 1835 he was elected Brazoria alcalde and was one of the four representatives of Brazoria who attended the convention at Washington-on-the-Brazos in 1836, where he signed the Texas Declaration of Independence.
He served as the mayor of Brazoria in 1835 and was among the four representatives from Brazoria who participated in the convention held in Washington-on-the-Brazos in 1836, where he signed the document declaring Texas independence.