| Gaithersburg Police Department Tip Line | Police Department | 301-330-4471 | |
| Aquatic Center | Parks, Recreation & Culture | 301-258-6445 | aquatics@gaithersburgmd.gov |
| Water Park | Parks, Recreation & Culture | 301-258-6445 | waterpark@gaithersburgmd.gov |
| Olde Towne Youth Center | Parks, Recreation & Culture | 301-258-6440 | YC-OldeTowne@gaithersburgmd.gov |
| Kentlands Mansion | Parks, Recreation & Culture | 301-258-6425 | kentlands@gaithersburgmd.gov |
| Animal Services | Police Department | 301-258-6400 | animalcontrol@gaithersburgmd.gov |
| Gaithersburg Police Department | Police Department | 301-258-6400 | police@gaithersburgmd.gov |
| Police Department Recruitment | Police Department | 301-258-6400 | gpdrecruitment@gaithersburgmd.gov |
| Parking Enforcement | Police Department | 301-258-6400 | ParkingEnforcement@gaithersburgmd.gov |
| Safe Speed Program | Police Department | 301-258-6400 | SafeSpeed@gaithersburgmd.gov |
| Community Services | Community, Neighborhood & Housing Services | 301-258-6395 | communityservices@gaithersburgmd.gov |
| Arts Barn | Parks, Recreation & Culture | 301-258-6394 | artsbarn@gaithersburgmd.gov |
| Art Galleries | Parks, Recreation & Culture | 301-258-6394 | artgalleries@gaithersburgmd.gov |
| Young Artist Award Competition | Parks, Recreation & Culture | 301-258-6394 | yaa@gaithersburgmd.gov |
| The Shop at the Arts Barn | Parks, Recreation & Culture | 301-258-6394 | cityshop@gaithersburgmd.gov |
| Homeless Services | Community, Neighborhood & Housing Services | 301-258-6390 | wellsrob@gaithersburgmd.gov |
| Wells/Robertson House | Community, Neighborhood & Housing Services | 301-258-6390 | wellsrob@gaithersburgmd.gov |
| Senior Services | Parks, Recreation & Culture | 301-258-6380 | benjamingaithercenter@gaithersburgmd.gov |
| Benjamin Gaither Center | Parks, Recreation & Culture | 301-258-6380 | benjamingaithercenter@gaithersburgmd.gov |
| Parks Maintenance | Public Works | 301-258-6375 | publicworks@gaithersburgmd.gov |