1520 Washington Avenue Formerly the US Bank building, located in Alton with 9, 677 s.f. on the main level and approximately 9, 000 s.f of finished lower level space. There is an elevator that service the two floors. There are a number of offices, conference rooms, a kitchenette, safe deposit bank vault. There are approximately 100 parking spaces and an additional lot for additional parking or buildings. The property is zoned C-2 General Commercial. Uses include office , communications, education, retail, vocational schools. religious organization. childcare center, medical offices, etc. Deed Restrictions. This is located in a HUBZone.