Mercer County Child Support Enforcement Agency

Celina, Ohio

The Mercer County Child Support Enforcement Agency is at 220 W. Livingston St., Ste. B181, Celina, OH 45822. Call the office at (419) 586-7961. It serves Mercer County.

How do I contact this office?

220 W. Livingston St., Ste. B181
Celina, OH 45822
Mail: P.O. Box 649, Celina, OH 45822
Phone
(419) 586-7961
TTY
(800) 750-0750
Hours
Monday to Friday, 8:00 a.m. to 4:30 p.m.
Before you go
Hours are set by each county agency. You can return a child support application to your county CSEA by mail or in person.
Fax
(419) 586-2151
Official page
Official office listing

Is this my office?

This office serves Mercer County.

You apply for services through the Child Support Enforcement Agency (CSEA) in your county. To find your county's CSEA, call 1-800-686-1556.

Not your area? See every Ohio child support office.

Can I handle this without going in?

Often, yes. Many requests don't need a visit:

Going in person? Read "Before you go" above, and call first if you can.

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More help with Ohio child support

Office details come from the official Ohio office listing, checked October 18, 2026. Sunny Child Support is not affiliated with Ohio Department of Job and Family Services, Office of Child Support. Spot a mistake? Tell us.