Please Login
Please Note: Our security password requirements have changed. If you are unable to login to OPC and receive Invalid Username or Password error,
please choose “forgot password?” to send a temporary password. Our requirements are listed below.
Minimum of 8 character(s)
At least 1 upper-case letter(s) (A, B, C, ...)
At least 1 number(s) (1, 2, 3, ...)
Must not contain the following:
Your user ID
The following characters:+,&,
Many online services offered by Napa County require login for security reasons. If you are an existing user, please enter your User Name and Password in the box to the right.
New Users
Please be aware OPC will send emails from donotreply@countyofnapa.org. Please make sure to check your spam/junk folders. In addition, set the email address as Not Spam/Junk. New Users will need to register for an account, click on register now below.