Cerro Gordo County Treasurer

County / State

220 N. Washington Ave, Mason City, IA 50401

Hours are not published. Call before you go.

Hours and addresses come from the State Department listing, updated November 2, 2026.

Directions Facilities in Mason City Facilities in Iowa

Cerro Gordo County Treasurer accepts new U.S. passport applications in person in Mason City, IA. Call ahead about appointments and the acceptance fee. The USPS scheduler covers post offices only. How to apply · How to renew

Other facilities in Mason City

Mason City Post Office