Janitorial Wages in St. Louis, MO-IL (2026)

Updated Jun 3, 2026 Reviewed by Opora Editorial Team Editorial standards →

The St. Louis, MO-IL Metropolitan Statistical Area recorded a median hourly wage of $16.21 and a mean of $16.77 for Janitors and Cleaners (SOC 37-2011) in the May 2023 BLS Occupational Employment and Wage Statistics survey, with approximately 19,950 workers in the occupation per BLS OEWS May 2023 data for MSA 41180. By May 2024, the building and grounds cleaning and maintenance group averaged $18.45/hr per the BLS St. Louis OEWS news release—essentially equal to the 2.9% national share of building cleaning employment, confirming that St. Louis's industry mix is more nationally representative than most peer metros. St. Louis is a two-state MSA of extraordinary scale: on the Missouri side (St. Louis City and County, St. Charles, Jefferson, Franklin, Lincoln counties), workers operate under Missouri's right-to-work law (passed 2017); on the Illinois side (St. Clair, Madison, Monroe, Jersey, Macoupin, Clinton, Bond, Calhoun counties — the Metro East), workers fall under Illinois law, which maintains one of the most aggressive ABC-test frameworks in the country for employee classification. The two sides of the Mississippi River represent materially different regulatory environments within a single drive from downtown.

BLS Wage Distribution, SOC 37-2011 — St. Louis MSA, May 2024 Estimates

Percentile	Hourly Wage (Est.)	Annual Equivalent
10th (entry-level)	$12.50	$26,000
25th	$14.00	$29,120
50th (Median)	$17.02	$35,400
Mean	$17.61	$36,630
75th	$20.50	$42,640
90th	$24.75	$51,480

Source: BLS OEWS May 2023 (MSA 41180) with estimated +5% adjustment to May 2024. May 2023 median $16.21, mean $16.77, employment 19,950. Building and grounds cleaning group mean $18.45 (May 2024). Annual equivalents assume 2,080 hours/year.

Missouri Right-to-Work and the Missouri Side Market

Missouri enacted right-to-work legislation in 2017, though the law faced referendum challenges and was sustained. For the Missouri side of the St. Louis MSA—which encompasses the majority of the metro's Class A commercial office market, healthcare facilities, and corporate headquarters—right-to-work means no union security agreements can require workers to pay dues as a condition of employment. This effectively limits organized labor's ability to maintain strong bargaining presence in the commercial janitorial sector without continuous voluntary membership. Missouri's state minimum wage as of January 1, 2025 is $13.75/hr, scheduled to reach $15.00/hr by 2026. St. Louis City voters have historically favored higher local minimum wages, but Missouri's state preemption of local minimum wage ordinances (since 2015, under Mo. Rev. Stat. § 290.502) limits local authority to set their own floors. The practical effect: commercial cleaning wages on the Missouri side are market-driven, with competitive rates for general cleaners ranging $13–$18/hr in commercial suburban accounts and $15–$21/hr for Class A office, healthcare, and institutional accounts in Clayton and the central corridor.

Illinois Metro East: ABC Test and Stricter Worker Classification

The Illinois side of the MSA (the "Metro East" submarket anchoring Belleville, Edwardsville, Alton, East St. Louis, and Collinsville) operates under Illinois law. Illinois uses an ABC test framework through the Illinois Department of Employment Security (IDES) for unemployment insurance purposes, and the Illinois Department of Labor applies similarly strict standards for labor law purposes. Under Illinois's ABC test, a worker providing services is presumed to be an employee unless the hiring entity can prove: (A) the worker is free from control and direction, both under contract and in fact; (B) the service is either outside the usual course of the hiring entity's business, OR performed outside all places of business; and (C) the worker is engaged in an independently established trade, occupation, profession, or business. Illinois's enforcement of worker misclassification in the janitorial sector has been notably aggressive—the Illinois Supreme Court upheld one of the nation's strictest worker misclassification laws, and employers face interest at 24% annually on delinquent unemployment contributions plus minimum fines of $10,000 for WC non-compliance. Any BSC subcontracting on the Illinois side must ensure all crews—including subcontractors' employees—are properly classified as W-2 employees.

BJC Healthcare: The Region's Largest Healthcare Cleaning Account

BJC HealthCare, headquartered in St. Louis, is one of the largest nonprofit healthcare organizations in the United States, operating 15 hospitals and multiple specialty centers including Barnes-Jewish Hospital (the region's Level 1 trauma center and #4 nationally ranked academic medical center by US News), St. Louis Children's Hospital, and a dozen community hospitals across the region. The BJC system employs approximately 30,000 workers in the St. Louis MSA and represents the single largest concentration of specialized healthcare EVS cleaning demand in the market. Barnes-Jewish Hospital alone—a 50-plus-story tower complex adjacent to Washington University School of Medicine in the Central West End—has specialized cleaning requirements for its organ transplant program, hematology/oncology units, and operating suite complex that command EVS technician wages of $18–$25/hr. Washington University School of Medicine's adjacent research institutes also require laboratory and BSL-2/BSL-3 cleaning protocols. BSCs seeking BJC contracts must demonstrate Joint Commission-aligned EVS protocols, staff with background clearances, and experience in C-diff outbreak response cleaning. Outsourced EVS at BJC facilities has historically been managed by major national integrators including Sodexo and Aramark Facility Services.

Anheuser-Busch and Industrial Cleaning

Anheuser-Busch InBev operates its flagship brewery—the largest Anheuser-Busch facility in the world—in the Soulard neighborhood of St. Louis, encompassing approximately 1.6 million square feet of production space across a 100-acre campus. Brewery cleaning presents a highly specialized industrial challenge: brewery production environments involve yeast cultures, fermentation vessels, chemical sanitizing agents, and liquid waste streams that require HACCP (Hazard Analysis and Critical Control Points) food safety cleaning protocols. Workers cleaning production areas must be certified in food-safe sanitation practices, wear food-grade personal protective equipment, and follow ATP (adenosine triphosphate) swab verification procedures for surface cleanliness. Industrial food-production cleaning specialists at Anheuser-Busch scale earn $18–$26/hr—significantly above standard commercial rates—and are in limited supply. The St. Louis brewing legacy also includes several craft brewery operations (Schlafly Beer, Urban Chestnut Brewing, 4 Hands Brewing) at smaller scale, each requiring similar but less intensive sanitation cleaning protocols.

Boeing and Aerospace Manufacturing Cleaning

Boeing's Defense, Space and Security division operates major facilities in the St. Louis area, most notably the F-15 and F/A-18 production and modification facilities at Spirit of St. Louis Airport (Chesterfield, MO) and the former McDonnell Douglas complex. Boeing employs approximately 15,000 workers in the St. Louis metro across its commercial, defense, and advanced systems programs. Federal facility cleaning at Boeing defense facilities carrying classified program access falls under DoD security clearance requirements—any janitorial contract within the secure production areas requires contractor employees to hold at minimum Secret clearances and the contracting entity to hold an FCL. Non-secure administrative buildings (visitor center, engineering offices, human resources facilities) may be cleaned by standard commercial BSC crews. Aerospace manufacturing cleaning is among the most demanding industrial segments in St. Louis, requiring precision floor care for aircraft component staging areas, chemical compatibility compliance for production chemical inventories, and foreign object damage (FOD) prevention protocols on manufacturing floors.

Cross-River Wage Arbitrage: Using Both Sides Strategically

The St. Louis MSA's two-state geography creates practical cross-border wage arbitrage opportunities that experienced regional BSCs actively manage. The Missouri side's right-to-work environment and $13.75/hr minimum wage supports lower cost-of-service bids on suburban commercial accounts in St. Louis County, St. Charles, and Jefferson County. The Illinois Metro East side—with higher minimum wage obligations (Illinois statewide $14.00/hr; Metro East workers face Illinois labor law), stronger ABC test enforcement, and higher Workers' Compensation premium rates under Illinois WC—is structurally more expensive to operate in. BSCs can optimize workforce allocation by routing workers who live in the Illinois Metro East to Missouri-side accounts when commute logistics allow, accessing the higher labor supply while billing at Missouri-side market rates. Conversely, some large institutional accounts in East St. Louis (Southwestern Illinois College, Touchette Regional Hospital) require full Illinois law compliance regardless of where the BSC is headquartered, and Metro East clients should be priced 8–15% above comparable Missouri-side accounts to reflect the higher compliance cost.

Minimum Wages and Workers' Comp: Both Sides of the River

Missouri: Minimum wage $13.75/hr (January 1, 2025), scheduled to reach $15.00/hr by January 1, 2026 per Proposition B (2018). WC through NCCI-member system; class 9014 approximately $2.40–$3.00/$100 of payroll. St. Louis City and County have no local minimum wage supplement above the state floor (preempted by state law). Illinois: Minimum wage $15.00/hr (January 1, 2025), with scheduled annual $1.00 increases until $20.00/hr in 2027. Madison County and St. Clair County have no local supplement above the state floor. Illinois WC rates for janitorial are approximately $3.00–$4.00/$100 of payroll—higher than Missouri, reflecting Illinois's more litigious WC system. For a comprehensive loaded labor cost comparison: a Missouri-side cleaner at $17/hr = approximately $25–$30/hr loaded; an Illinois-side cleaner at $17/hr = approximately $27–$33/hr loaded, owing to higher WC, Illinois SUI, and ABC test compliance overhead.

Submarket Variation: Clayton CBD vs. Laclede's Landing vs. Metro East

Clayton (St. Louis County CBD): The primary Class A commercial office market in the region. Major employers including Edward Jones (HQ), Centene Corporation (HQ), and Enterprise Holdings (HQ) anchor the Clayton office market. Commercial cleaning wages here run $15–$20/hr for general cleaners; specialty healthcare and laboratory accounts nearby (Washington University Medical Campus) command $18–$25/hr.

Downtown St. Louis / Midtown (Gateway Arch Corridor, Cortex Innovation Community): The Cortex district—a 200-acre technology and innovation hub anchored by Washington University and BJC healthcare—has expanded significantly since 2018, generating new Class A commercial and research cleaning demand. Downtown St. Louis vacancy rates have been elevated since 2020 but are recovering as residential conversion of office towers continues.

Metro East (Belleville, Edwardsville, East St. Louis): This Illinois submarket has a different demand mix—more industrial, healthcare, and education-sector cleaning than the Missouri Class A office market. SIUE (Southern Illinois University Edwardsville), with 14,000 students, is the largest institutional account. Manufacturing cleaning in the Metro East runs $14–$17/hr for general industrial work, with specialty finishing and hazmat cleaning reaching $20–$28/hr.

Primary Sources

Primary sources

https://www.bls.gov/oes/2023/may/oes_41180.htm

https://www.bls.gov/regions/mountain-plains/news-release/occupationalemploymentandwages_stlouis.htm

https://ides.illinois.gov/employer-resources/taxes-reporting/employee-misclassification.html

https://locations.abm.com/mo/st-louis/facility-services-st.-louis-mo-5126.html

Review notice

This wage data is maintained by the Opora editorial team and last reviewed in Q2 2026. BLS OEWS data is released annually each spring; state and local minimum wages change at least yearly. Verify current rates with BLS, the relevant state labor department, and any applicable SCA wage determination before relying on a specific bid number. Opora does not provide legal or tax advice.