In general, when the landlord's property causes damage to tenant's property, the landlord is liable, unless there is proof that the cause of the water leak was the tenant (unlikely I presume).

@Malick NgomGet an attorney to send a certified letter requiring signature and include the satisfactionIn most states a lender can be held liable for damages for not recording the satisfaction

It's hard enough when a tenant damages my rental and it happens. 

I also don't think it's common to convince the appraisal district that your property did not appreciate at all, unless you can back it up with pictures that your property was damaged or is in worse shape that it was the year before.

Early on in my investing journey I experienced a ton of water damage because of water leaks in places that often goes unnoticed under sinks, in utility closets etc.I was curious if anyone else here has considered any remote monitoring water leak systems?

If the buyer did not close or fulfill the obligation then seller could potentially sue for damages - see this more often in wholesale deals.

Massive mold damage and I am a licensed mold remediator.

But since you are the NEW owner, any past storm damage is not covered now soooo....We are not fans of "Solar" so (did you catch that Roof Vent reference!?

A bit strange, I thought about this a bit and I didn't know if this could be signs of a sketchy scenario or if it was none of my business (besides the non-existent damage to the doors/ windows).

I have a separate addendum for pets as part of the lease agreement which outlines pet waste pick up requirements and a hold harmless agreement which cover personal and property damages on behalf of the dog and its owners responsibility.