As long as a house is being paid for, taxes, mortgage, insurance, and utilities is it ok that no one is actually living in the house till it sells?

My mother died last month, her estate is in probate, we are going to sell the house which is the estate, we as a family are contueing to pay for the house till it sells. My question is as long as we maintain the house in good shape till it sells. Does some one have to physically be living there?