My mother passed away a week ago and left my sister and I benifishery of her 401K, she also has a house that is paid off, but never made a will, we are her only survivors, My sister and I have decided that I keep the house and she will keep the 401k money. Do we have to pay taxes on the house and the 401k. We have never done anything like this and are totally confused what to do. And how do I get the house in my name the house is worth about 100.000 and the 401K is worth 100.00. Please give me some advice

My sister and I have inherited a house from my mother worth 100.000 and a 401k worth a 100.000 I want to keep the house and my sister wants the 401k, my sister and I are the benificherier of the 401k, but my mother never had a will for the house, we are her only survivors, how do I go about getting the house and do I have to pay taxes on it, please help us we never did anything like this before.