Be prepared to start a lawsuit.2) File a complaint with state's Board of Realtors3) File a complaint with state's Attorney General's officeSince these are unlikely to be permanent solutions, you'll also want to start searching for another PMC.Recommend you speak with @Russell Brazil

Investing in real estate and 1031 exchange replacement properties may not be suitable for all investors and may involve significant risks.

I hope you reported it to the police, if not, you should file a police report and also install cameras because there's an influx of squatter's taking over people's properties recently. 

Most CPAs can file in all states. 

It also isn't enough proof for a judge in small claims court, if you decided to file on the guest there - you'll need your own rental agreement.

@Jay Hinrichs      But I do understand the OP points and I think that folks just really dont understand the work and risk involved in ANY rental property short of NNN leases with super strong companies Exactly. 

Might be a little bit confused here, but from what it sounds like you were involved in purchasing the property, renovating it and then selling it?

This is important because these are generally the property owners with standing to file an appeal if they are not satisfied with the plans which can become a drawn out and expensive process.  

Alternatives to ConsiderIf you want to involve an entity for liability protection or other reasons, here are some potential approaches:Assume in Personal Name and Transfer to Entity:Assume the loan in your personal name and later transfer the property title to an entity.Important: Transferring title may violate the loan’s due-on-sale clause unless explicitly allowed by the lender.

This usually involves putting down 20% down payment on 150K-170K houses.