For Whom The Web Rocks
Puerto Rico - Rules - City Hall

The owner of the occupied city hall earns, at game end, one additional victory point for each violet building (occupied or unoccupied) in his city (city hall counts!).

Example: At game end, the owner of the occupied city hall also has: hacienda, harbour, office, construction hut, large warehouse, and residence: he earns an additional 7 VP.

Costs 10 doubloons
4 victory points

1 victory point for each violet building
(game end)