How long does it take to get a work permit in the US?

I%26#039;m in california and recently filed my residency change of status and work permit last july 1st. I went through the finger printing already last week. I just want to know if anybody out there knows how long it takes to get my work permit? thanks!|||About three to four months all told. Visit the link below, select your service center and see what date they are processing now.|||$5000.00, go back to your state, apply and wait 5 years.