After 100 years you (your grand children) will get a notice stating the lease is over. You would then have two options.Generally, a written lease states that if a tenant remains after the fixed term expires, the tenancy shall be considered a month-to- month tenancy. In this video, we'll take a closer look at the Michigan Residential Lease Agreement for rental properties. A 99-year lease is, under historic common law, the longest possible term of a lease of real property. You flat will be leasehold only as you (or other flat owners) don't own the actual land. By default (unless otherwise mentioned) it is 99 years. Michigan Legal Help has several resources for additional information on housing law in Michigan. Ground leases commonly take place between commercial landlords, who typically lease land for 50 to 99 years to tenants who construct buildings on the property. Charleston City Council voted to purchase 11 cars for city use at Monday night's City Council meeting in Charleston, West Virginia on Dec.