Union County Veterans Service Office Share: Veterans ServiceGovernmentNon-Profit Organizations Visit Website Request Info 835 E. 5th St. Ste. B Marysville, OH 43040 (937) 642-7956 (937) 642-9282 (fax) www.co.union.oh.us About Map About Financial Assistance to Veterans, transport to Va facilities and assist in claims to VA What's Nearby? Distance: 5 10 15 20 25 50 mi.