Owner is a licensed real estate broker in the state of Alabama.

He has a lot of units and is a licensed agent in Worcester MA who knows plenty about single-family as well.

I am in the process of studying for my licensing exam in the state of Tennessee and plan to work in the Chattanooga area upon completion of the test (which will be quite soon).

Since the home health is provided by a third party, the community does not need to be licensed as a care facility, so costs related to regulatory compliance with inspections and staffing are facilities are not added to the cost of care.

My husband is also a licensed realtor with Premier Point Realty.

Quote from @Elliot Rosen: Use a licensed and bonded foundation company and keep the invoices, and disclose it to the buyer.

Some towns require licenses, max out the days you can do it, etc. 

Working with house hackers is why I got my license in the first place.

For what it's worth, I'm no longer insurance licensed since I took my practice fee only.

Report him to your local licensing boards as well as make police reports, even if not a realtor he will get large fines and potentially criminal charges.