Yes there are convenience fees that are charged when paying online. When paying with an e-check for any bill it would be $0.40 per transaction. When paying with a credit/debit card fees can vary. Tax bills are subject to at least 2.95% of the total amount paid with a minimum of $1.00 per transaction. Water bills are subject to at least 3.5% of the total amount paid with a minimum of $3.95 per transaction.