Where is Old Second Headquarters?
Main Office Address and Global Locations

The headquarters of Old Second Bancorp Inc. is located at 37 S River St, Aurora, Illinois, United States. This primary facility serves as the operational core for the company's extensive banking services. Situated in Aurora, Illinois, the headquarters is strategically positioned to oversee the bank's presence across northern Illinois. The building at 37 S River St is the central point from which administrative, strategic, and operational decisions are made, ensuring the smooth functioning of Old Second National Bank's various departments and customer-facing services. Its location in Aurora provides accessibility for local stakeholders and serves as a key point of contact for the company's financial operations. The headquarters at 37 S River St, Aurora, Illinois, United States, plays a pivotal role in the strategic direction and management of Old Second Bancorp Inc. This location houses key executive leadership and administrative functions that guide the company's growth and service offerings. It is instrumental in developing and implementing the financial strategies that support both personal and business banking products, including checking and savings accounts, mortgage loans, and commercial real estate financing. The headquarters also oversees the integration of modern financial services, ensuring that digital channels like online and mobile banking platforms are effectively managed and enhanced. Furthermore, it is the central point for the specialized services offered, such as trust management, investment solutions, and cash management tools, underscoring its importance as the company's primary base of operations.