Plus, too cold.....Florida sunshine is much better for the health! 

Just my personal understanding, not official knowledge...however..."

Do I call the health department? 

If you are going to resell or rent the home, it is a good safeguard to have a clean bill of health letter from a 3rd party for CYA.

I have paid 2x the "normal rate of interest" on some of my flips and profited nicely, and I've gotten "great deals" on others and barely covered my costs.The bigger question I'd put in front of you, though, is if flipping is the most strategic way to build credit health. 

Consider this; in less than eleven days, President Biden issued over 50 Executive Orders, including; rejoining the World Health Organization, rejoining the Paris Accords (on climate control), ordering the Federal government on a “war-time” commitment to expand vaccinations, restoring collective bargaining rights, promoting $15 per hour for all federal employees, ordering all infrastructure contracts go to American companies, lifting the ban on transgenders in the military, dissolving the Muslim ban on travelers to the United States, classifying Vladimar Putin’s Russia as a “hostile foreign power,” extending the U.S.

My mom has been struggling to pay the mortgage on that house and has found herself in a financial mess and also is in dire need of retiring since she is 74 yrs old and not doing well health wise.

I don't know the true legalities behind it, but I've never heard of anyone getting in any real trouble for it or even getting a call from officials because of it.  

It is failing along with his health.

Especially the ones that make it look like it's some sort of official notice or something you must respond to