I actually have two friends who graduated with B.S. of CS degrees (one from UW, one from Cal, coincidentally enough).
The UW one made $105,000 as her starting salary at a big company (she was offered the job at the beginning of her senior year - they recruited her)
The Cal one made $95,000 as his starting salary. At the middle of his senior year, he began applying to a bunch of big companies and local ones nearby, but keep in mind, there was lots of competition from Stanford, Caltech, etc.
Unfortunate for the Cal grad, his job was offered in SF, so the price of living is huge too.
Although who knows, they could’ve easily made up these numbers (making it bigger or smaller), cause I asked them as a question of curiosity (no proof).
Take it as you will