One Call Center 311 | Baltimore City Mayor's Office
100 North Holliday Street, Baltimore, MD 21202
Eligibility
Open to all.
Required documents
None required.
Hours
24 hours a day, 7 days a week.
3-1-1
Voice·
Main
Application process
Contact for information.
Service area
Baltimore City County, MD
Other Information
Special Populations
- Open to All
Payment Options
- Free or no-cost care
Offers information and referral for various city services, including police, housing inspections, health department, solid waste, water issues, parks and recreation, public works, public health, safety, community service programs, and animal control. Helplines and Information
Last assured
08/11/2025
What's Here
Providing organization
Baltimore City Mayor's Office
Provides public services to the residents of baltimore city.