Starr County Texas has 9 places on the National Register of Historic Places including 1 place of National significance and 4 places of Statewide significance. Significant places include Roma Historic District, Fort Ringgold Historic District, Rio Grande City Downtown Historic District, Roma-San Pedro International Bridge and de la Pena, Silverio, Drugstore and Post Office.
Some of the country's most noteable architects helped create the Starr County places including John Vale, Heinrich (Enrique) Portscheller, Heinrich Portscheller, George Cole, Decker & Tanner and Leo M.J. Dielmann. Prominent architectural styles found in Starr Country are Late Victorian, Classical Revival and Greek Revival.