How customary is it to take shoes off inside a house in the US? I don't necessarily mean your own house, but more if you go to a friend's house. I'm Canadian, and maybe because of our weather, I would say that the default is to remove shoes or boots at the door, unless the host insists that it isn't necessary. But I've had American friends give me weird looks for this.
I'm looking especially at the US west coast, but information from anywhere in the States would be great.
(I've googled, but I found contradictory information - some Americans say of course, others say why on earth - so I'm hoping for more consensus here...)
ETA: Okay, definitely no consensus, but lots of data to work with! Thanks very much. I wanted my character to be a bit surprised/offended that he was expected to take his shoes off, but I don't think that will work. He's a fairly social, outgoing guy, so it seems unlikely that he wouldn't have encountered the custom at least somewhere before. It seemed like a few of you might be a bit uncomfortable, but mostly not offended or terribly surprised.
Thanks again for all your input.