Welcome to Harrison Park Square Senior Living Located on the former site of Douglass-Harrison Homes, this development is a private-public partnership between the city and the Michaels Development Company to provide top-of-the-line affordable housing to Newark. Harrison Park Square is located in an area that is historic in nature, it helps to return the area to the promise it once had, making it a desirable location for senior living. This first phase, a five-story, brick front, elevator building offers 56 units for seniors aged 62 and over.