Oak Crest DeKalb Area Retirement Center Senior Living & ServicesRetirement Communities Oak Crest DeKalb Area Retirement Center Visit Website 2944 Greenwood Acres Drive DeKalb, IL 60115 (815) 756-8461 Facebook About About Oak Crest is a faith-based not-for-profit community serving people 62 years and older through a continuum of services enhancing an individual's quality of life.