A new set of 6 church parking signs found under Decor / Misc. Decor, all cost 0. You need Ambitions or a later pack for the signs to show in your game. They can also be used in CAW. There is an earlier post explaining how to install items in CAW.
Importing packages into CAW
St. Filipe Basilica - 6 parking signs (MediaFire)
St. Filipe Basilica side windows
St. Filipe Basilica under construction