Ottawa Bancorp, Inc. operates as a holding company, which offers residential real estate mortgage loans and home equity lines of credit and to a lesser extent, non-residential real estate, multi-family and construction loans. It also provides commercial and industrial loans and other consumer loans. The firm operates through the following segments: Commercial, Non-Residential Real Estate, One-to-four Family Residential, Multi-Family Residential, Consumer Direct, and Purchased Auto. The company was founded on August 21, 1871 and is headquartered in Ottawa, IL.