BLS metro-level wage data places First-Line Supervisors of Housekeeping and Janitorial Workers pay in Baltimore-Columbia-Towson, MD at a median of $51,650 per year ($24.83/hr/hour), drawn from the OEWS May 2025 release for this Metropolitan Statistical Area. Compared to the national median of $49,100, Baltimore-Columbia-Towson pays +5% above, signaling either concentrated employer demand, a cost-of-living premium, or both. Approximately 1,710 first-line supervisors of housekeeping and janitorial workerss are employed across the Baltimore-Columbia-Towson MSA in SOC 37-1011.

The Baltimore-Columbia-Towson pay distribution spans from $36,920 at the 10th percentile to $73,000 at the 90th — a 2.0× spread that reflects experience tenure, specialization, employer size, and the difference between public-sector, nonprofit, and private-sector compensation inside the metro. The 25th percentile sits at $43,430 and the 75th at $59,750, so half of Baltimore-Columbia-Towson-based first-line supervisors of housekeeping and janitorial workerss earn within that middle band.

Metro figures capture where you actually work, not just where you live — which matters for commuters. BLS draws metro boundaries from the OMB MSA definitions, so Baltimore-Columbia-Towson, MD covers the central city plus outlying counties tied to the metro economically. Remember that OEWS wages reflect base pay only: employer-provided health insurance, retirement matches, stock options, signing bonuses, overtime, and tips are excluded and can add 20-40% to real total compensation. Before using this metro median as a negotiation anchor, triangulate against the same occupation's national profile (linked below), its state-wide MD data, and peer-metro comparisons — a median is a starting point, not a ceiling.