The east cost still has plenty of suburbs, they are just slightly higher density than what you might see surrounding LA or San Diego. See the MD-DC corridor, wi

The east cost still has plenty of suburbs, they are just slightly higher density than what you might see surrounding LA or San Diego. See the MD-DC corridor, with almost no public transit except light rail, but townhouses are abundant. People that grew up in LA don't even know what a townhouse is.