Unfortunately, his father’s health deteriorated and instead moved into an assisted living facility.

(Toilets are a big one)- Deteriorating paint (lead is extremely common in cities like Rochester)- Breakers, furnace filter(s), water heater(s)- Damaged/broken stepsI think it is a little ridiculous to go around and nitpick with a checklist, but we do check for issues that would cost us money down the road, or are safety issues for our tenants (and properties).

Outside either of those two things you really better hope the stars align in your favor in court and have an absolute airtight lease that backs up your actions.I'd issue the 30 day notice (be civil, no need to further deteriorate the situation with hostility even if you would prefer to kill them...) and make the primary goal to just get your property back. 

There are obvious signs of deterioration that are preventable.

Unless it’s frangible (deteriorating), asbestos isn’t considered a health issue.

Look for trash piles, boarded up windows or other signs the neighborhood is deteriorating. 

Suppose you have a subject property with a 105,000 sq. ft. lot and existing improvements for which you estimate the reproduction cost new to be $2,500,000, physical deterioration to be $400,000, functional obsolescence to be $50,000, and external obsolescence to be $50,000.If you have information on a comparable lot of 110,000 sq. ft. which recently sold for $250,000 and the only adjustment is $1.75 per sq. ft. for the difference in lot size, what is the indicated total value for the subject property.

If it is something that is bound to deteriorate over time, that should be built into the owner's repair cost figures.

The floor joints in the basement of the stair were supported by posts and wood headers that had deteriorated and repairs were recommended (reinforce joist connections).

You'll also want to ensure you have a good property manager to look after the upkeep of the property if you are not there to notice anything deteriorating or which may need attention.Creating an LLC in California would cost you a minimum tax of $800 every year.