> And the real cost of building parking in a residential building isn't the cost of the concrete and painted lines -- but in the opportunity cost of not being

> And the real cost of building parking in a residential building isn't the cost of the concrete and painted lines -- but in the opportunity cost of not being able to build / sell more units in the space occupied by cars. It's obviously not that simple, because the US isn't a place where no one wants a car but everyone is somehow forced into getting one. I wouldn't live in a residential building with no space a car, and I'm not alone. I'd imagine that most buildings like that just create an externality, where the residents use parking elsewhere.