Baltimore City Water Bill Payment and Customer Service

Updated August 13, 2023 – Below you will find the key information you need as a Baltimore city resident to pay your water bill online, by phone, or by mail, and to reach customer service for further assistance.

Online Water Bill Payment

Customer Service – Help & Pay By Phone

  • The Baltimore water customer service phone number for bill payment is 866-377-0765.

Payment Address

City of Baltimore Bureau of Revenue Collections
P.O. Box 17535
Baltimore, MD 21297-1535

Pay In Person

  • Pay at the Abel Wolman Municipal Building, 200 Holliday Street, Baltimore, MD 21202. Hours: 8:30am – 4:30pm Monday through Friday.