I know it isn't a definitive answer, but it really does depend on the appetites of the institution.

If you didn't have a heavy appetite for risk, you could invest in triple net lease real estate in addition to federal and state tax free municipal bonds (munis), which would pay stable solid returns for years to come too.

See what they have an appetite for.  

They all have different appetites, comfort zones, rates and terms.

It depends on the property, the terms of the loan, your credit score (potentially), the bank or CU's appetite (how hungry are they for them) for investor loans, are you using a bank or broker, etc...The best you can get for answers here is...

The other has fire suppression above every stove, so the fire in it was out in seconds.

It's simply a matter of your appetite and goals. 

You can find out which banks have an appetite for parks by asking the MH/RV brokers in your area, networking through other owners of parks in your area, or simply obtain list of the smaller banks in your area and just calling them to see if they have an appetite for parks.

Every bank is different and every bank has different appetites loans rates and terms.

I ended up getting my first inspection report back and it said I needed to provide a working sprinkler report from a licensed fire suppression company.