Recent information provided to our office indicated the following locations have notary services available: 

University Student Legal Service (USLS)
160 West Bank Skyway, 612-624-1001

(Supported by student services fees, USLS services are available at no cost to enrolled students.)

Admissions Office
240 Williamson Hall, 612-625-2008

Regents Office
600 McNamara Alumni Center, 612-625-6300

Oftentimes banks offer notary service too.  Be sure to wait to sign the document until the notary can witness you signing it. Some offices may charge a small fee for this service.