The Edwards Avenue address is the state registered agent. You pay $100 a year for that. It doesn't matter if it's in a sewer, it's not an office. It is just a place to send legal papers to.
Here's the site of the company providing the registered agent service.
LOL, the PPS doesn't move up and all of the sudden the company is a scam. How low can you go really. Glad you got out. Some people can't see or be worthy of the pot of gold ahead ;-)