CAMBRIDGE Independent Senior Living SQUARE Ages 55 Plus Senior Apartments Non-Income Restricted 657 Grover Ave. Ottawa, IL 815-431-0548 Broker Owned Tri-County Property Mgmt. Inc. SM-CL2187149 CAMBRIDGE Independent Senior Living SQUARE Ages 55 Plus Senior Apartments Non - Income Restricted 657 Grover Ave. Ottawa , IL 815-431-0548 Broker Owned Tri - County Property Mgmt . Inc. SM - CL2187149