Myself and my sister inherited my mom's home upon her passing Oct. 2017 in Hesperia Ca. my sister and her family were residing in it. She signed a 20 year lease contract for solar panels without my knowledge 11/2018. I found out last year 2019 through a text and photo my friend sent me. My sister passed away 5/2019 , I called the company that installed them and told them I want a copy of this contract. There is an area in contract that asked if all parties are in agreement with contract , I would have never signed this. I mentioned this to the company that installed the panels they basically told me they only need one signature and if I want the panels off it will take legal action. I would like to if I have any legal rights ?