The City of Brookfield Welcomes You to Online Registration! Login User Name: Password: Remember Me? (If this is a public machine it is recommended that you do NOT turn this on). Summer Registration Begins on Monday, June 15th at 8:00 a.m. Flag Football Registration begins June 8th If you have an account with us, but you`ve forgotten your password, please click here for a reminder email. If you`re a brand new patron with us, please click here to register for a new account.