MA · BLS OEWS May 2024 OEWS

Janitorial wages — Boston-Cambridge-Newton, MA-NH metropolitan area

Source: BLS Occupational Employment and Wage Statistics, May 2024 OEWS  |  SOC codes: 37-2011 (Janitors) and 37-1011 (Supervisors)  |  Last reviewed: June 2, 2026

The Boston-Cambridge-Newton metropolitan statistical area anchors New England's commercial cleaning industry with a workforce environment unlike almost any other region in the United States. A dense concentration of world-class hospitals, research universities, and biotech campuses generates year-round, recession-resistant demand for professional janitorial services—demand that, combined with one of the nation's strongest union infrastructures, has pushed Boston janitor wages to among the highest outside of the California tech corridor. Understanding how wages form here requires grasping the interplay between institutional demand, organized labor, Massachusetts worker-classification law, and one of the most expensive housing markets in the country.

BLS Wage Data: What Janitors Earn in Greater Boston

According to BLS OEWS data for the Boston-Cambridge-Nashua NECTA, approximately 44,360 janitors and building cleaners (SOC 37-2011) work in the metro area. The mean hourly wage stands at $20.42, translating to an annual mean of $42,480—well above the national mean of $17.43. The estimated percentile distribution places the 10th percentile near $13.50/hr, the 25th at roughly $15.50/hr, the median (50th) at approximately $19.00/hr, the 75th near $23.50/hr, and the 90th at approximately $27.00/hr. Boston consistently ranks among the top five metropolitan areas for janitorial wages nationally, trailing only San Francisco, San Jose, and Seattle.

The Swept Janitorial Pay Report independently confirms Massachusetts as a top-three state for cleaner wages, with statewide medians of $21.43/hr compared to the national median of $17.07/hr. Boston's premium reflects the cost of living pressure and heavy union coverage in the urban core.

SEIU 32BJ and the Union Wage Premium

Boston's commercial cleaning market is organized primarily by SEIU 32BJ, which represents building service workers across the Northeast. The Maintenance Contractors of New England master agreement, covering November 2023 through November 2027, governs thousands of commercial cleaners working in Class A office towers, biotech campuses, and financial district buildings. Full-time janitors at covered employers earn base wages pushing well above $20/hr when health benefits and annuity contributions are included. The 2023 agreement delivered annual wage increases tied to a cost-of-living schedule, with wages projected to reach approximately $25–$27/hr by contract expiration in 2027.

Organized cleaners also receive employer-funded healthcare and pension contributions. Non-union contractors operating in suburban submarkets—Waltham, Quincy, Woburn—typically pay $14–$17/hr, a gap of $5–$8/hr that reflects the union wage floor's power in the dense urban core while leaving suburban commercial parks in a lower-wage tier.

Hospital and University Demand: Boston's Structural Advantage

No city has a higher concentration of research hospitals and elite universities relative to its size. Mass General Brigham operates 24-hour cleaning operations across Massachusetts General Hospital, Brigham and Women's Hospital, and dozens of satellite campuses. Harvard University and MIT in Cambridge require continuous custodial operations for laboratories, libraries, dormitories, and medical research facilities. Boston University, Northeastern University, and Tufts Medical Center round out a cluster that guarantees hundreds of millions of dollars in annual janitorial contracts. This institutional demand creates stable, full-time positions with benefits—unlike retail or hospitality cleaning, which tends toward part-time schedules.

Biopharmaceutical companies in the Kendall Square corridor and along Route 128 impose cleanroom and ISO-certified cleaning protocols that command wage premiums of $3–$6/hr above standard office rates. Firms like Aramark, Sodexo, ABM Industries, and Cowan Systems all compete aggressively for these specialized contracts.

Massachusetts ABC Test: The Strictest Worker-Classification Standard

Massachusetts imposes an exceptionally strict "ABC test" for independent contractor classification under M.G.L. c. 149 §148B. Unlike most states, Massachusetts presumes every worker is an employee. A janitorial company must demonstrate all three prongs: (A) the worker is free from direction and control; (B) the service is performed outside the usual course of the company's business; and (C) the worker is customarily engaged in an independently established trade. Prong B is the critical barrier—courts have consistently held that janitorial work is central to a BSC's operations, not incidental to it.

Misclassification triggers mandatory treble damages on unpaid wages, plus attorney's fees, interest at 12% per annum, and potential criminal penalties up to $50,000 and two years imprisonment for repeat offenders. The Massachusetts Attorney General's Fair Labor Division actively investigates cleaning companies. The practical effect: labor costs for legitimate BSCs in Massachusetts include full payroll taxes, workers' compensation insurance, and benefits, making true per-hour costs significantly higher than the advertised wage rate.

Cost of Living: Why Boston Wages Must Be High

The MIT Living Wage Calculator for the Boston-Cambridge-Newton MSA pegs the living wage for a single adult at $32.46/hr—more than $12/hr above the median janitorial wage. A single parent with one child needs $61.71/hr to meet basic needs. HUD FY 2024 Fair Market Rents set a two-bedroom apartment at $2,827/month, among the highest in New England. At the BLS median wage of $19.00/hr, a full-time janitor working 40 hours/week earns roughly $3,293/month gross—meaning rent alone would consume approximately 86% of pre-tax pay at the median wage. This housing cost pressure is why Boston wages are pulled upward even in non-union settings: employers cannot attract or retain workers when two-bedroom apartments cost nearly three thousand dollars a month.

Top Employers of Boston-Area Janitors

• ABM Industries — major healthcare and commercial office presence across the metro. ABM posts Boston-area cleaning roles at $23.90–$24.90/hr.
• Aramark — dominant in healthcare and university settings, including multiple Mass General Brigham hospital contracts.
• Sodexo — substantial presence at universities including MIT, Harvard, and Boston University.
• Cowan Systems / Unicco — regional BSC with Class A office and biotech campus coverage.
• Pritchard Industries — active in financial district and Back Bay office towers under 32BJ contracts.

Submarket Variation Within the MSA

Boston's MSA spans significant geographic wage diversity. The downtown Boston / Back Bay / Seaport core represents the highest-wage tier, where 32BJ contracts govern Class A towers and prevailing wage ordinances apply to many public-sector sites. Cambridge / Somerville commands comparable wages driven by MIT, Harvard, and biotech density. Moving outward, Waltham, Woburn, and Burlington along Route 128 form a mid-tier technology corridor averaging $16–$19/hr. The Merrimack Valley / Lowell and southern New Hampshire portions represent the lowest-wage submarket, where $14–$16/hr rates are common in manufacturing and light industrial settings. The spread between downtown union wages and outer-ring non-union wages can exceed $10/hr for comparable duties.

Workers' Compensation and Compliance Costs

Massachusetts requires all employers to carry workers' compensation insurance through the private market—there is no state-fund option comparable to Ohio's BWC. Janitorial work falls into a moderately high rate class due to slip-and-fall exposure, with employer premiums typically running $5–$9 per $100 of payroll. Under the SEIU 32BJ collective bargaining agreement, covered employers must maintain workers' compensation on a non-contributory basis. Total employer cost for a union cleaner—wage, health and welfare contributions, pension, payroll taxes, and WC—often exceeds $30/hr even when the base wage is $20/hr.

Recent Enforcement and Wage Theft Patterns

The Massachusetts Attorney General's Office has been among the most active in the nation on janitorial wage enforcement. The AG's Fair Labor Division has cited multiple cleaning contractors for misclassifying independent contractors doing commercial route cleaning, using the strict ABC test to recover treble damages. The most common violations involve subcontracting chains where a large BSC hires a sub whose workers are employed by a shell entity—a structure Massachusetts courts have scrutinized closely. The AG's office has also pursued cases involving failure to provide paid sick leave under M.G.L. c. 149, which mandates one hour of paid sick leave per 30 hours worked. The Wage Act's 12% interest rate and mandatory triple-damages provision make Massachusetts enforcement uniquely powerful by national standards.

Primary sources

Data vintage: BLS OEWS May 2024 OEWS. Page last reviewed: June 2, 2026. Primary source: BLS OEWS Metropolitan Area Data. Spot an error? Contact us.