This is currently under investigation. IF someone claiming to be a FNSB member states they want into your property, that it's being foreclosed, or whatever reason they give you, demand to see their employee ID.
Someone recently tried to gain access to someone's home this way and was challenged. He eventually left.
Be diligent and don't be shy about exercising your right to Castle Law, esp if you do not see a Borough vehicle parked nearby. The borough staff does not come out to Salcha in a POV, ever.