Hamilton Square is a venture between Cullinan Properties, Peoria County and the City of Peoria to provide office and parking space for the growing needs of prominent businesses in the Peoria, Illinois, downtown area. Hamilton Square is a 70,000 square foot upscale building that combines office and retail space with three levels of parking. The building is recognized for its unique and efficient design.

Developed but no longer owned by Cullinan Properties, Ltd.