If you are looking to find a notary that would be willing to travel to your building to notarize documents for your members/residents, a good site to find a Notary Public is:
http://www.123notary.com/michigan_notary/
To verify that this person has a current Notary Public license in Michigan, you can confirm at:
http://services.sos.state.mi.us/notarysearch/
They do charge for services but most are reasonably priced.