Since domicile does not change, the individual is either a full-year resident or nonresident. Current lease, mortgage statement or notarized domicile form.☐ Copy of document that identifies current residence in Cuyahoga County for last 60 days. Here's how to become an Ohio resident, changing residency from one state to another, and Ohio residency requirements you need to know. Someone's domicile can have big implications in family law, probate, and inheritance. Many individuals in Ohio work in a municipality that has an income tax, and live in a different municipality that also has its own income tax. Carefully read page 1 of the residency petition. Explanation of how property taxes are calculated and illustrates communities where levies have recently caused tax rates to increase in Cuyahoga County.