American Red Cross - Union County Chapter Share: Non-Profit Organizations American Red Cross - Union County Chapter Visit Website Request Info 112 E. Fifth St. Marysville, OH 43040 1-800-REDCROSS www.ucredcross.org About Map About armed forces emergency assistance, blood donor collections, health & safety services, disaster assistance & relief What's Nearby? Distance: 5 10 15 20 25 50 mi.