Really the only remedy she can expect is being released from her lease, which it doesn't sound like she wants.Maybe the landlord has the rules to avoid drawing attention from the neighbors, to avoid getting reported for illegally renting the basement.

And if you don't follow the securities laws, you are essentially guaranteeing the investor's money plus interest since that is their remedy (plus whatever sanctions you get from State regulators and SEC).This is all I do.  100% of my practice is Syndications.

Suddenly the tree shading their windows is cut down, there are leaf blowers going at 7 am on the weekends, water shut offs 'for maintenance', etc.The issue here is that whatever his play is (and it doesn't matter what it is), you are along for the ride because your only remedy is lawsuits if he's not playing ball. 

Need to remedy that quick.  

So, in a few of the single family houses I have recently purchased for rentals, the basements are fairly humid.  The real estate agent that I've been using (who is fairly well versed in investment purchases) suggested...

Agree will Declare our Buildings a low Allergen Buildings in all future leases after remediation of units, Currently i have a fourplex with a No Pets, No Smoking Standard in all leases.

Overall the house has great bones but it will take a few grand to complete the punch list of items needed to remedy: radon mitigation, surface mold in attic, slight leaks at a few easily accessible spots in the roof, electrical service work.

I had fancy UC Berkeley online library access, so I did what anyone in that position would do and read all the peer reviewed academic literature on bed bugs written by people with Ph.D after their name (including pre-modern remedies that worked & still work), and over the course of a few months eliminated the infestation myself - chemical free.

If it is lead paint on the inside the remediation could be huge.In some cases if density levels have increased for zoning the answer might be to tear it down and build new.

Any recommendations I make are based on experience, and not the advise of a professional in fire damage remediation, I am not a lawyer, and any advice I provide you may take with a grain of salt.In regards to the tenant, atleast in NYS, it is their responsibility to have renters insurance to cover their belongings, you are not required to compensate them for any losses.