my husband passed away, leaving my step son 60% and I 40% co qwners of house, my question is: except for anything my step-son brought or bought himse

I assume that your husband died without a will.  The answer to your question depends on what property you are talking about.  As the surviving spouse, you would be entitled to all community property and part of the separate property that your husband owned.  And, you of course would own all separate property that you owned.