Brown County Child Support Agency

Green Bay, Wisconsin

The Brown County Child Support Agency is at 305 East Walnut Street, Room 450, Green Bay, WI 54301. Call the office at (920) 448-4090. It serves Brown County.

How do I contact this office?

Northern Building
305 East Walnut Street, Room 450
Green Bay, WI 54301
Mail: P.O. Box 23600, Green Bay, WI 54305
Get directions Call (920) 448-4090
Phone
(920) 448-4090
TTY
(877) 209-5209
Hours
Monday to Thursday, 7:30 a.m. to 5:00 p.m.; Friday, 7:30 a.m. to 11:30 a.m.
Before you go
Office hours and walk in policies are set by each county or tribal agency. Several agencies ask you to call ahead or schedule an appointment to see your case specialist.
Email
BC_Child_Support@browncountywi.gov
Fax
(920) 448-4101
Official page
Office page

Is this my office?

This office serves Brown County.

Not your area? See every Wisconsin 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.

Other child support offices near Green Bay

More help with Wisconsin child support

Office details come from the official Wisconsin office listing, checked October 18, 2026. Sunny Child Support is not affiliated with Wisconsin Department of Children and Families, Bureau of Child Support. Spot a mistake? Tell us.