Annual dues to be a Friend of Greene Park.Suggested membership is $25/family, and all dues are used for Greene Park projects. Dues are considered to be a donation to The Park People of Milwaukee County Inc. (the parent of Friends of Greene Park). The Park People is a registered 501(c)(3) organization (FEIN 39-1285099) and therefore your donations may be tax deductible. No goods or services were received in exchange for this donation.