Government in Mayport, PA Redbank Township Armstrong County135 Sugar Valley RdMayport, PA, 162408143655474City Village Township GovernmentGovernment City Village TownshipRedbank Twp Armstrong County Redbank Twp ArmstrongRR 1Mayport, PA, 162408143655474City Village Township GovernmentGovernment City Village TownshipRedbank Twp Armstrong CountyWastewater Plant Show MoreSee AlsoCity, Village & Township Government