Redwood Estates Mobile Home Park Mahoney Rd., Sewickley, PA15143 Redwood Estates Mobile Home Park is a local housing community. Most of the plots are currently being used by residents,…More but there are homes that are typically available for sale. Additional rental fees are paid to the community. Redwood also has a community playground for the residents to use. Redwood is maintained by an on-site office. It is close to Pittsburgh, making it a desirable location for ease of transportation.