Exporting data from table (via "export view" function) or simple copy-pasting - need to finetune the bad result

The quotation marks are probably added by the operating system and are not related to baserow.

If the city is you first field, you need to check if a space must be added after the city

concat(
field('City'),
if(isblank(field('City')),'',' '),
field('Zip Code'),
' ',
field('County')
)