| Bldg# | Building | Location | Responsible Department |
| 33 | Applied Dynamics Laboratory (ADL) | Northeast Corner (Civil Engineering) | Engineering |
| Outdoors | Lot H near Athletics Fields and Alpine Tower | SaveStation Tower | Security |
| Outdoors | Lot P Baseball Fields (west campus) | SaveStation Tower | Security |
| 40 | Bates Residence | Centre Lobby | Facility Services |
| 36 | Brandon Hall | Lobby | Housing and Conference Services |
| 11 | Burke Science | Lower Level Hallway | Engineering |
| 31 | Campus Services | 1st Floor, side door, by water fountain | Facility Services |
| 28 | Commons | Lobby | Facility Services |
| 43 | Communications Research Lab | B108 (MacREAL Lab) – secure location | FHS, Safety Office |
| 43 | Communications Research Lab | Lobby | FHS, Safety Office |
| 54 | David Braley Athletics Centre (DBAC) | Across from service desk | Athletics and Recreation |
| 54 | David Braley Athletics Centre (DBAC) | Sports Medicine Clinic | Athletics and Recreation |
| Off site | David Braley Health Sciences Centre (DBHSC) | 1st Floor Lobby | FHS, Safety Office |
| 46 | DeGroote School of Business (DSB) | 1st Floor Atrium | DeGroote School of Business |
| 5 | Edwards Hall | Centre Lobby | Facility Services |
| 56 | Engineering Technology Building (ETB) | North Entrance | Engineering |
| 12 | E.T. Clarke Centre | Boiler House Control Room | Facility Services |
| 37 | Health Sciences Centre (HSC) | Lobby, Purple Area | FHS, Safety Office |
| 37 | Health Sciences Centre (HSC), 1st Floor | Health Sciences Library, 1st floor entrance to reading pavilion | FHS, Safety Office |
| 37 | Health Sciences Centre (HSC), 2nd Floor | Health Sciences Library (HSL) | FHS, Safety Office |
| 45 | Hedden Hall | Lobby | Facility Services |
| 49 | Information Technology Building (ITB) | Main Lobby | Engineering |
| 48 | Institute for Applied Health Sciences (IAHS) | 1st Floor Lobby, right of elevator bank | FHS, Safety Office |
| 48 | Institute for Applied Health Sciences (IAHS) | 3rd Floor Lobby, right of elevator bank | FHS, Safety Office |
| 24 | Ivor Wynne Centre (IWC) | Pool deck near office | Athletics and Recreation |
| 24 | Ivor Wynne Centre (IWC) | Corridor between Smith and Aux Gym | Athletics and Recreation |
| 24 | Ivor Wynne Centre (IWC) | Hallway near Turf Gym | Athletics and Recreation |
| 24 | Ivor Wynne Centre (IWC) | E104 (PACE East Gym) | PACE |
| 24 | Ivor Wynne Centre (IWC) | E114 (PACE) Main Gym | PACE |
| 24 | Ivor Wynne Centre (IWC) | A114 (behind desk PACE Main Gym) | Kinesiology |
| 24 | Ivor Wynne Centre (IWC) | IWC 230 (Kinesiology) | Kinesiology |
| 24 | Ivor Wynne Centre (IWC) | IWC A102 (Kinesiology) | Kinesiology |
| 24 | Ivor Wynne Centre (IWC) | Hallway outside IWC AB101 | Kinesiology |
| 16 | John Hodgins Engineering Building (JHE) | Lobby | Engineering |
| 16 | John Hodgins Engineering Building (JHE) – Annex | Lobby | Engineering |
| 16 | John Hodgins Engineering Building (JHE) – Hatch | Lobby, student area (orange) | Engineering |
| 53 | Les Prince Hall | Lobby North/West Corner | Facility Services |
| 200 Longwood | McMaster Automotive Resource Centre (MARC) | 2nd Floor, outside Room 236 | McMaster Innovation Park (MIP) |
| 50 | Mary Keyes | North side of Lobby | Facility Services |
| 26 | Matthews Hall | Centre Stairwell | Facility Services |
| 27 | McKay Hall | Lobby | Facility Services |
| 175 Longwood | McMaster Innovation Park | Atrium bldg, 1st floor by elevator #1 | McMaster Innovation Park (MIP) |
| 175 Longwood | McMaster Innovation Park | Atrium bldg, fitness centre, lower level | McMaster Innovation Park (MIP) |
| 175 Longwood | McMaster Innovation Park | Beam bldg, 1st floor by front entrance | McMaster Innovation Park (MIP) |
| 270 Longwood | McMaster Innovation Park | Beam bldg, 2nd floor hallway by elevators | McMaster Innovation Park (MIP) |
| 52 | Michael G. DeGroote Centre for Learning and Discovery (MDCL) | Next to fire cabinet by room 1307 | Faculty of Health Sciences, Safety Office |
| 10 | Mills Library | Lobby by north doors | Library |
| Outdoors | MUSC/Mills Courtyard | Save Station Tower | Security |
| 18 | Moulton Hall | Lobby | Facility Services |
| 15 | Nuclear Reactor | Near control room | McIARS |
| 9 | Nuclear Reactor Building (NRB) | Health Physics Hallway (by room 105) | McIARS |
| 9 | Nuclear Reactor Building (NRB) | Staff lunchroom (3rd floor) | McIARS |
| 89 | Peter George Centre for Living and Learning (PGCLL) | Lobby | Facility Services |
| 89 | Peter George Centre for Living and Learning (PGCLL) | Residence elevator lobby area | Facility Services |
| 89 | Peter George Centre for Living and Learning (PGCLL) | 3rd floor elevator lobby near great room | Facility Services
|
| Off site | Ron Joyce Centre (RJC) | Lobby | Ron Joyce Centre |
| 55 | Ron Joyce Stadium | beside football locker | Athletics and Recreation |
| 42 | Thode Library | Lobby | Library |
| 6 | Wallingford Hall | Lobby | Facility Services |
| 19 | Whidden Hall | Lobby | Facility Services |
| 35 | Woodstock Hall | Lobby | Facility Services |