You can't legally deny a true service animal.

If you do have to move because of a job, you would be safest (in my opinion, i am not giving legal advice or financial advice), i would sell that property to ensure that you did not just purchase with the goal of moving out early and taking advantage of lower rates and lower down payments for purchasing your home as a primary residence. 

This doesn't replace the need for a MSA that will capture additional clauses needed on a Contractor-SubContractor relationship, this is just a project specific form you would use in addition to the MSA (prepared by your Attorney):This template is for informational purposes only and does not constitute legal advice.

There are some legal considerations as well as practical considerations 1.  

@Ryan Daniel  I will preface this with the fact that I have a legal background, specifically with estate planning and asset protection in relation to real estate investments.

Tax and Legal ConsiderationsUnderstand the tax implications and legal responsibilities associated with rental income.

Are you a US citizen who understands how things work legally in the USA?   

What is the legal mechanism?

@Cristal Ochoa @Leiah DotlichI will preface this with the fact that I have a legal background, specifically with estate planning and asset protection.

I am not sure of the legality associated with this and the issues of going from 4 units(residential) to 5 units (commercial) even if one unit will only be owner occupied.