Webb County Texas has 11 places on the National Register of Historic Places including 1 place of National significance and 6 places of Statewide significance. Significant places include Fort McIntosh, Los Ojuelos, San Augustin de Laredo Historic District, San Jose de Palafox Historic/Archeological District and San Jose de Palafox Historic/Archeological District (Boundary Decrease II).
Some of the country's most noteable architects helped create the Webb County places including H. Sperbert, Albert Giles, Don Jose Reyes Ortiz, Santos Benavides, Robert M. Ayres and Atlee B. Ayres. Prominent architectural styles found in Webb Country are Mission/Spanish Revival, Classical Revival and Greek Revival.