That's for sure. Pulling a figure out of thin air, but with an understanding of the cost of living (I live in the area), I'd say upper-middle begins at around $150+.

Have fun commuting from Oakland or living with 4 bros on 100k. Middle class is, "can I have a kid comfortably?"

Exactly. Middle class in San Francisco is $250k-$500k. These type of articles are so out of touch with the reality on the ground it's ridiculous. 1 bedroom apartments with a washer and dryer, no mold, no neighbors cigarette smoke, and two parking spots _start_ at $4k per month. And that's after taxes.