Neighbors Helping Neighbors 100% of all funds we receive through tax deductible charitable giving, stay within the Prosser community. Help Support Prosser, Please Donate Today Prosser Swim Team Meals on Wheels Prosser Baseball WAHSET Senior Center PTA Kiddie Korner Boy Scouts Benton County Museum Children's Theater Sofia's Shining Star Boys & Girls Club Valley Theater Company Prosser Music Boosters