The note stated that their refusal to tip is caused by California Proposition 30 and President Barack Obama.
A friend of the waiter posted a photo of the note on Reddit with the caption: "Friend got this as a tip. I'd be livid."
It has since gone viral on the internet, with the original post drawing around 3,000 comments.
Proposition 30 affects California residents earning an annual income of more than $250,000. Those who meet the criteria must pay more tax.
> 'Single mom' doesn't tip after $140 meal, causes outrage - picture