To contact the Department of Public Works (Utilities) Mattawoman Office, located at 5310 Hawthorne Road La Plata, MD 20646 please call 301-609-7400. Our normal business hours are Monday - Friday, 7:00 a.m. to 3:00 p.m. Excluding holidays.
You may also complete the form below to contact the Department of Public Works (Utilities) Mattawoman Office.
