Janitors and custodians clean and maintain the interiors and exteriors of buildings such as schools, hospitals, offices, hotels, and retail spaces. Daily duties include sweeping, mopping, vacuuming, sanitizing restrooms, emptying trash, restocking supplies, cleaning windows, and handling minor maintenance like replacing light bulbs. Many also operate floor buffers and scrubbers, handle cleaning chemicals safely, and respond to spills or emergencies.
The field is physically demanding and often involves evening, overnight, or early-morning shifts, but it offers steady demand, low barriers to entry, and clear paths to advancement. Experienced custodians can move into lead, supervisor, or facilities management roles, or specialize in areas like healthcare environmental services, floor care, or industrial cleaning. Government, school district, and hospital positions often come with strong benefits and job security.
| Entry level | $28,000 |
| Median | $36,000 |
| Senior | $48,000 |
| Top 10% | $55,000 |
| Job growth | +2% |
| Professionals in the USA | 2.3 million |
| Typical hours/week | 38 hrs |
| Remote work share | 0% |
| Annual job openings | 330,000/yr |
| Demand | 6.8 / 10 (Moderate) |
Robotic floor scrubbers, autonomous vacuums, and smart building sensors are increasingly handling repetitive cleaning in large, open commercial spaces. However, the unpredictable, varied, and physically dexterous nature of most custodial work keeps human workers essential, and AI tends to augment routes and scheduling rather than replace staff outright.
Automation exposure: Large open-floor tasks such as vacuuming, floor scrubbing, and polishing in warehouses, airports, and retail spaces are the most exposed to robotic automation. AI-driven occupancy sensors may also optimize cleaning schedules, reducing the total hours needed in some facilities.
The human edge: Cleaning restrooms, handling spills and biohazards, navigating cluttered or irregular spaces, emptying trash, restocking supplies, and making judgment calls about safety hazards all require adaptability and dexterity that robots lack. Humans also provide security awareness, minor repairs, and responsive service to occupants.
Figures are estimates for exploration — verify current data with BLS.gov.