My girlfriend and I live in the same apartment complex, she has her own apartment I have my own apartment. For eight months I was a live in maintenance man for the apartment complex, then I tested positive in March for Covid, and I haven’t talk to me since. Her apartment is uninhabitable she has holes in the floor cracks in the walls no plumbing under the bathroom sink, so she can’t wash her hands after she goes to the bathroom, she has to to the kitchen. When I was a maintenance man there I tried to fix it and I asked the owner to buy me a piece of PVC and he told me don’t worry about it and that’s been six months seven months, if I go out and buy the part put it back together at her request can I put a lien on anything that I do. We live in the state of Missouri and I’m wondering how this works