Did you receive a letter from MuniServices on behalf of the City of Sacramento? Do not worry, this is not a scam. MuniServices does audit businesses that operate within the City of Sacramento to make sure they are in compliance with the City's business operation tax ordinance. If you have questions you can contact MuniServices directly at (800) 987-0999 or the City of Sacramento at (916) 808-1249. You will need your reference number from your letter in order to be served promptly.