Capital gain

I and My parents we bought house in 2010 priced 155k , and only my parents lived in there the whole time , I only live there until 2013 and my parents transferred house to my name only on 04/2024 with General warranty deed in exchange My parents will live in our new house bought 2024 (under my name and my husband name )without paying anything , I want to sell the house My parent transferred to me , so I just want how I am paying tax and limit capital gain in this case, we have contract between us Let my parents live in new house without paying anything .