Municipal workers may or may not show up for work. Homeowners and honest working citizens will be sitting ducks for criminals. I would fire any worker who didn't show up but I don't know what the legal restrictions are.
Businesses that supply the City will by denied payment. Some will probably lay off workers or close down. Home values will decline. Revenues will decline.
There are several other cities in California and other states in the same situation.
The State of California is effectively bankrupt.
The house of cards is falling apart. Once people realize how bad the situation is and stop lending to cities it will get much worse.
Hey, I got a great idea. Lets spend a 100 billion on a railroad. That oughta fix the problem.