Union County

Union County, website

union county map

Union County in Ohio uses area codes 740 and 937. This page is a phonebook directory where you will find the physical address and contact information of the most relevant government offices in Union, including the Clerk’s Office, Sheriff’s Office, and the Health Department. 

Sheriff’s Office

221 West 5th Street

Marysville, OH 43040

Phone: (937) 645-4170 

Fax: (937) 645-4139

Email: [email protected]

Municipal Court

1250 W. Fifth St.
Marysville, OH 43040
Phone: (937) 644-9102
Fax: (937) 644-1228

County Clerk

 215 W. 5th Street
 Marysville, Ohio 43040 

Phone: (937) 645-3006

Prosecuting Attorney’s

249 W. 5th St.

Marysville, OH 43040

Phone: (937) 645-4190

Recorder

233 W. 6th St.

Marysville, OH 43040

Phone: (937) 645-3032

Treasurer

233 West 6th Street

Marysville, OH 43040

Phone: (937) 645-3035

Health Department

940 London Ave.

Suite 1100, Marysville, OH 43040

Phone: (937) 642-2053

Fax: (937) 645-3047

Union County Jail

221 W. 5th St.

Marysville, OH 43040

Phone: (937) 645-4100

Emergency Management

233 W. 6th St.

Marysville, OH 43040

Phone: (937) 645-3174

Social Services

940 London Ave.
Suite 1800, P. O. Box 389
Marysville, Ohio 43040-0389
Phone: (937) 644-1010

Fire Department

16300 County Home Rd.
Marysville, OH 43040
Phone: (937) 642-2065
Fax: (937) 642-6326

Department of Education

1000 Edgewood Dr.

Marysville, OH 43040

Phone: (937) 578-6100

Fax: (937) 578-6113