The city now basically owns the section of the Railyard where the arena is supposed to go. It's already openly admitted that the city will have to donate land in either Natomas or downtown as part of any viable deal. The infrastructure costs will probably be much higher downtown. But a good chunk of that is involved with moving the rails north so that the land can be used. Some of that money they are supposed to have from the state already.
Despite all the numbers being thrown around of $500 million dollar buildings, it's just not accurate. The problem has always been that the city has been throwing in other "to do" list items in with the costs and driving it up. In the case of the latest arena design, it has a lot of the train depot renovation thrown in too. Recently completed high end arenas only cost in the $300 - 400 million range. Some have been completed in the $200 million range.
Despite all the numbers being thrown around of $500 million dollar buildings, it's just not accurate. The problem has always been that the city has been throwing in other "to do" list items in with the costs and driving it up. In the case of the latest arena design, it has a lot of the train depot renovation thrown in too. Recently completed high end arenas only cost in the $300 - 400 million range. Some have been completed in the $200 million range.