I assume what you mean is the danger of Federal, state or city government running off your tenants? That used to be a common fear of most park owners during the Bush era, where there were stories of the immigration officials scaring off entire park populations overnight. However, in recent years, the mood has changed dramatically. Politicians have as their #1 priority getting re-elected. Tough stances on immigration have proven to be political suicide today. And, to be honest with you, the perception of the legality of park residents is mostly based on wrong stereotyping. We find that most residents out there have the legal right to be there. And, on top of that, most cities are politically correct enough to knew better than to even ask that question to begin with. I will also add that many states, such as Texas, will be majority hispanic in 2042, while cities such as San Antonio become majority hispanic by 2020.
So, given the modern America, I would have no fears in that regard. But your question is a good one, and one that was very common a decade ago.