I would try the housing department first & if that doesn't work, maybe health & sanitation.  

I would look to see what's the financial health of the HOA, what deferred maintenance is identified, are there unit assessments pending, are there any HOA liens on this unit now just to identify a few things to check out. 

There are many benefits to using this loan and we will list those below- however please keep in mind that a licensed mortgage originator should do a full analysis to see which renovation product is right for you and your family.Here are some highlights of the Fannie Mae Homestyle Renovation Mortgage: Perform almost any type of improvement or repair including luxury itemsImprovements and repairs can go up to 50% of the after improved valuePrimary residences, second homes and investment propertiesOne- to four-unit homes, condominiums, and PUDS30 year fixed rate mortgagesAs little as 5% downNo mortgage insurance for loans with 20% equityReduced mortgage insurance for loans with less than 20% equity versus a 203kAdditions and second levelsSwimming poolExterior spa or saunaBuilt in BBQ island and outdoor kitchenBuilt in outdoor fireplaceTennis courtsGeneratorand really anything else you can think of!

For people traveling through the southern most counties, it is clear that there really isn't much of an economic recovery. 2019 Proj Total Housing 546,9665.18%2014 Proj Total Housing 520,0092010 Census Total Housing 442,2112010 Census Occupied Housing 389,06488%2010 Census Vacant Housing 53,14712%2014 Est Median Value of Owner Occupied Housing 103,5852014 Est Median Gross Rent 6902014 Est Owner Occupied Housing 268,89862%2014 Est Renter Occupied Housing 166,97438%2014 Est Owner Occupied Housing Vacancy 2.44%2014 Est Renter Occupied Housing Vacancy 8.07%2010 Census Total Households 495,358The biggest employment sources are: government, manufacturing, health care, retail trade, and accomodation/food service.

My background is also in health and safety (I was an EHS manager for a transmission factory).  

Can he claim health reasons to stop eviction?

You care for the health of the goose to protect the flow of eggs.  

There is a good opportunity in my neighborhood on a property that is in the middle of a remodel but the owner has to sell due to poor health.

There are one of examples for both but I can say if some investors bought health care facilities NNN reits vs SFRs 10 years ago the vast majority nearly 100% would be better off in the reits, and that is comparing to the best buy and hold locations in the nation.

I worked till I had ten years to lock in vesting the pension and health benefits after reaching original retirement age.