If you signed a Buyer Agency Contract with your agent, he/she is entitled to a commission typically (but not always) paid from the seller's proceeds. 

I will be closing on our first investment property May 3rd and I'm going through a large real estate agency.

You can also 10 agency loans in your name.

Are all Federal, State and local agencies on board with approvals and signed off?

Once you have a good quote in hand, you'll need to shop the bigger agencies on your own to see if they have better rates.

I would contact the state licensing agency or an attorney.

Then turn it over to a collection agency.

Seems he's competing with office buildings that command higher rent, and certain tenants that don't depend on walk in traffic, such as a small CPA practice, wholesale travel agencies (they package tours for travel agencies) only needing a commercial space rents from him. 

They are passive processing agencies. 

Donald,The best way to conduct a thorough background check is to contract a consumer reporting agency that specializes in background checks.