One building, one number
Contact us.
A person answers the phone 24 hours a day. For anything that can wait, send a service request or your project details and we will follow up.
Where we are
3501 Century AveBaltimore, MD 21227
24-hour emergency service. Office Monday to Friday, 7:30 am to 4:30 pm.
| Monday to Friday | 7:30 am to 4:30 pm |
|---|---|
| Emergency service | 24 hours, every day |
How to reach us
Office line: 410-636-6300888-594-0830410-376-7304
Chat
Chat with Bolt, our automated assistant, from the button at the bottom right of every page. It answers from our own material and gets a person for you at any point. The phone is answered by a person around the clock.

The map opens in Google Maps. Nothing on this page tracks you into it. Map data from OpenStreetMap contributors.