Please Note: Our security password requirements are listed below. If you are unable to login to OPC and receive an "Invalid Username or Password" error, please choose “forgot password?” to send a temporary password.

• 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 log in right.