I am with a pest control company, and I have several questions. In 2017, we contracted work to a house-building company to treat the yard before the house was built. The houses they built have since been sold. We have yet to be paid for our services, and we need to know if we can file a mechanic's lien on the houses (I don't think so, since we didn't have a contract with the people who now live in those houses) or if we can do a texas constitutional lien? If the constitutional lien, what forms do I fill out? I have the forms for the affidavit for the mechanic's lien. Also, what does it cost to set up an account and file maybe 2-3 of them a year? Also, when we file whatever lien we are going to for this one company, do we have to go to court each time, or can we go for all at one time?