• Complete the application form that pertains to your type of checking account (personal or business). 
• Enclose a copy of a voided check. 
• Send your application in a separate envelope to:
        Director of Finance, Direct Debit
        PO Box 3367
        Ellicott City, MD 21041-3367
• Keep one copy of the authorization for your records.
  
  

Credit Card Payments - Login to the Howard County UtilliPortal and pay by Credit/Debit Card or Check online or call 1-800-263-1923. 

Lock box - The envelope provided with your bill directs your payment to our bank's payment processing facility. 

Drop box - Located to the left of the main entrance at 3430 Court House Drive, Ellicott City,  MD 21043. Payments deposited after 8:30 A.M. will not be collected until the next business day.

PO Box 3367 - Adjusted payments and correspondence.

Cashiers Office - Located at 3430 Court House Drive, Ellicott City,  MD 21043. Processes payments from walk in customers.

Bill payer services - Payments made through a bill payer service should be directed to Howard County Water/Sewer, P. O. Box 37213, Baltimore, MD 21297-3213.

The water/sewer billing office is located in the Department of Finance, 3430 Court House Drive, Ellicott City, MD 21043. Maps and Directions. The office is open from 8:00 a.m. to 5:00p.m. Monday through Friday, except for County Holidays.