Do they have onsite parking? If now where can I park?

Yes they have a parking garage.

They do have a parking lot under ground, and it's not free

Yes, there is a parking garage. Street parking isn't a bad option at the right times

Yes they do

There is a parking garage as well as on street metered parking

I had to pay to park a block away

Thank you ever so much! Im a country bumpkin 😂