Thanks for your interest! Per the Fine Print, this Groupon is valid only within Macomb and Oakland County. 48313 is covered since it is part of Macomb County.
The Groupon is just for one bathroom that is up to 30 square feet in size. It includes all of the following components:
Deep clean tile and grout
Coats grout lines with a clear or colored sealant, a process backed by a five-year warranty
Remove and replace caulk around tub area up to 3-feet (deep) by 5-feet (wide) by 6-feet (high)
Machine polish tile and grout areas
Jan 2, 2013