She can sue you. You may want to invest in headphones if you can't hear the tv. Paying monitary rent has nothing to do with her rights. She is a subtenant of the owner and her "rent" is her services for watching the place.
Actively practicing law in Texas. Inactive licenses in Arizona and Georgia. All answers are general in nature and no attorney/client relationship exists in this forum.
I agree with Atty. Smith that this woman is a lawful tenant of the owner next door. Quiet enjoyment usually comes up in the context of landlord-tenant law, not condo law. You folks are owners of legally separate pieces of real estate, not tenants under one landlord who can't control one tenant. Your condo has rules and regs. If she is violating any of them, the board should enforce them. Otherwise, like other owners of real estate, you may have claims of nuisance over which you can seek an injunction or perhaps a harassment restraining order, although I don't think this raises to that level. Unlike other real estate owners who live in single family homes with at least some physical separation, you owners are all living on top of each other and so there has to be an expectation of some noise and some give and take to all co-exist. We have all had jerks for neighbors but you can't legislate against jerks. If her actions rise to level of a condo rules violation, nuisance or harassment, then you have remedies.
To questioners from West Virginia & New York: Although I am licensed to practice in your state (in WV, on inactive status as of 9/13), I practice on a day-to-day basis in Massachusetts. I answer questions in your state in areas of the law in which I practice, and in which I feel comfortable trying to offer you assistance based on my knowledge of specific statutes in your state and/or general principles applicable in all states. It is always best, however, to work with attorneys and court personnel in your own area to deal with specific problems and factual situations.
Payment is not required for standing. She could sue you for Nuisance the Interference with the Right to Quiet Enjoyment. But she will have to prove her case. Anyone can sue anyone. Winning is another story. She will have to convince a judge with evidence that what you are doing would deprive a reasonable person from the enjoyment of their living space--a reasonable person standard is used; people's sensitivities are not taken into account.
We do not have an attorney-client relationship. I am not your lawyer. The statements I have made do not constitute legal advice. Any statements I have made are based upon the very limited facts you have presented, and under the premise that you will consult with a local attorney. This is not an attempt to solicit business. This disclaimer is in addition to any disclaimers that this website has made. I am only licensed in California.