That is called capping the unit and effectively disabling it from use since you will be using the wall mounted (aka mini split) units for the property. 

The current owner has the entire building set up through HUD for the elderly and disabled and I am looking to continue that model. 

Per ADA (disability) code, new builds are required to be compliant if 4 units or more.

If he slips on the sidewalk carrying his stuff away, he will sue you for causing his permanent disability.

For example, if you receive VA disability compensation the funding fee could be waived.

Service Animal Defined by Title II and Title III of the ADAA service animal means any dog that is individually trained to do work or perform tasks for the benefit of an individual with a disability, including a physical, sensory, psychiatric, intellectual, or other mental disability.

Aside from that, I recommend you establish an Assistance Animal Policy that provides additional reasonable elements that must be followed, such as requiring a current veterinarian's report; requiring spay/neuter unless contra-indicated by the veterinarian; identifying chip or collar; and, in the case of a Multifamily property, animal must be carried or in a carrier when in confined common areas such as elevators and stairwells, unless doing so interferes with the animal's task or service for the disabled person.

That being said I do have them list their sources of income (job, disability, child support, etc...) on the application but it is never enough to qualify for the 3X rule.  

I was told that one of the tenants is disabled (husband of a husband/wife team).  

Hi everyone, I'm having a tenant who is disabled, and I want to make her transportation easier by building a ramp for her.