Missouri HR Compliance Guide for Employers

Missouri spent 2025 moving in the opposite direction from most of the country. Voters approved a statewide paid sick leave mandate in November 2024, it took effect on May 1, 2025, and the legislature repealed it four months later. The minimum wage increase that came in the same ballot measure survived, but the annual inflation adjustments attached to it did not.

The result is a compliance picture that looks nothing like guidance written even a year ago. Missouri employers now pay $15.00 an hour, owe no paid sick leave, owe no meal or rest breaks, and answer to an anti-discrimination law that starts at six employees rather than one or fifteen. Meanwhile a new leave obligation arrives June 1, 2026, and a constitutional amendment to restore sick leave has been filed for the November ballot.

This guide covers what Missouri actually requires as of 2026: the documents due at hire, how wages and the tip credit work, which leave laws apply and at what headcount, the Missouri Human Rights Act after its 2017 overhaul, final pay rules, and the local earnings taxes in Kansas City and St. Louis that catch employers who assume state registration is the end of it.

What Makes Missouri Different for Employers

Missouri sits toward the lighter end of the regulatory spectrum, but not uniformly, and the exceptions are where employers get caught. Five things surprise businesses arriving from neighboring states or from guidance published before the 2025 session.

First, there is no paid sick leave requirement. This is genuinely new. Missouri had one for roughly seventeen weeks in 2025 before the legislature repealed it, which means employers who built policies to comply in May are now operating a voluntary benefit rather than a legal obligation. Whether to keep those policies is a business decision rather than a compliance one.

Second, Missouri does allow a tip credit, unlike several nearby states. Employers pay tipped employees at least 50 percent of the minimum wage, which is $7.50 per hour in 2026, and cover any shortfall so total compensation reaches $15.00.

Third, the Missouri Human Rights Act starts at six employees. That threshold is unusual. It sits above the one-employee coverage used by states like Minnesota and Illinois and below the fifteen employees federal Title VII requires, which creates a band of small Missouri employers with state obligations but no federal ones.

Fourth, Missouri is not a right-to-work state. The legislature passed a right-to-work law in 2017 and voters rejected it at the ballot in August 2018 by a wide margin. Any guidance describing Missouri as right-to-work is out of date, and this is one of the most persistent errors in multi-state reference material.

Fifth, local minimum wage ordinances are preempted. St. Louis and Kansas City both passed higher local rates and both were nullified by RSMo 285.055 in 2017. Employers pay the state rate everywhere in Missouri.

Employment Law Foundations in Missouri

Missouri follows the employment-at-will doctrine, and the state applies it with fewer judicially created exceptions than most. The Missouri Department of Labor and Industrial Relations states the position plainly in its wages, hours and dismissal guidance.

At-will employment and its limits

Either party may end the relationship at any time for any lawful reason. Missouri does not recognize a broad implied covenant of good faith and fair dealing in employment. The public policy exception exists but was codified and narrowed by SB 43 in 2017, which replaced the common law wrongful discharge claim with a statutory version carrying the same motivating factor standard used elsewhere in the Act.

The practical constraints on termination come from statute rather than common law: the Missouri Human Rights Act, the Whistleblower Protection Act, workers' compensation retaliation protections, and federal law. Handbook language still matters, because a document promising progressive discipline can undercut at-will status.

Key Missouri agencies

Four agencies handle most employment compliance. The Department of Labor and Industrial Relations covers wage and hour law through its Division of Labor Standards, unemployment insurance through the Division of Employment Security, and workers' compensation through its own division. The Missouri Commission on Human Rights enforces the MHRA. The Department of Revenue handles income tax withholding. The Department of Social Services Family Support Division receives new hire reports.

Worker classification

Missouri does not use an ABC test. Classification follows the common law right-to-control analysis, aligned with the IRS factors, examining behavioral control, financial control, and the nature of the relationship. That makes Missouri considerably more permissive than California or Massachusetts, where a presumption of employment shifts the burden onto the business.

Permissive is not the same as unregulated. RSMo 285.500 through 285.515 addresses misclassification directly, gives the Attorney General authority to investigate employers who knowingly misclassify workers, and provides for injunctive relief and penalties. Separate provisions require certain employers to submit copies of federal 1099 forms to the state. Because unemployment insurance, workers' compensation, and withholding all turn on the same determination, one wrong call creates exposure in three places at once.

Union representation

Missouri is not a right-to-work state. SB 19 in 2017 would have prohibited union security agreements, but it was suspended pending a referendum and voters rejected it as Proposition A in August 2018. Agreements requiring dues or fees as a condition of employment remain lawful in Missouri private sector workplaces covered by a collective bargaining agreement.

The Proposition A Reversal: What Changed and What Survived

No other state has done what Missouri did in 2025, and understanding the sequence matters because obligations existed, then stopped, within a single year. Employers who ran payroll through that period have records showing accrual that later became voluntary.

What survived: the minimum wage increases to $13.75 and then $15.00, and the extension of minimum wage coverage to public employers, which HB 567 added. What did not survive: earned paid sick time in its entirety, and the annual CPI adjustment that would have raised the wage automatically from 2027 onward.

One record-keeping note. Prop A required employers to retain compliance records for three years. The repeal removed the forward obligation but does not retroactively erase claims from the period the law was in effect. Keep the records from that window.

Hiring and Onboarding Requirements

Missouri requires fewer documents at hire than states like California or New York, but the state withholding form and the twenty-day reporting deadline both catch employers who assume federal paperwork is sufficient.

New hire reporting

All Missouri employers must report new hires and rehires within 20 days of the hire date to the Missouri New Hire Directory, administered by the Family Support Division. Reporting is available online, by mail, or by fax, and a copy of the employee's W-4 with the required fields completed can satisfy the format requirement. Missouri does not require reporting of independent contractors, which differs from states such as California and New York. Details are at the Department of Social Services.

Background checks and E-Verify

Missouri has no statewide ban-the-box law covering private employers. Kansas City and Columbia have adopted local ordinances restricting criminal history inquiries by private employers, so employers in those cities should check local requirements. Statewide, background checks are mandatory in specific regulated settings, including long-term care, healthcare facilities, and childcare, through the Family Care Safety Registry.

E-Verify is voluntary for private employers in Missouri but mandatory for public employers and for business entities receiving state contracts or grants in excess of $5,000. Federal contractors are covered by federal rules regardless. The federal disclosure and adverse action process under the Fair Credit Reporting Act applies to any background check run through a consumer reporting agency.

Pay transparency and salary history

Missouri requires neither. There is no obligation to publish salary ranges in job postings and no statewide ban on asking applicants about salary history. Kansas City adopted a local salary history restriction applying to private employers, which is worth checking if you hire there. Employers operating in both Missouri and Illinois should note that Illinois requires pay ranges in postings at fifteen or more employees, so a single job posting covering both states may need to meet the Illinois standard.

Wage and Hour Rules

Missouri wage law follows the federal framework closely, with a higher minimum wage and a handful of state-specific exemptions that matter for small businesses.

Minimum wage and the tip credit

The state minimum wage is $15.00 per hour as of January 1, 2026, published by the Division of Labor Standards. Because HB 567 removed the CPI indexing that Proposition A had scheduled to begin in 2027, this rate is fixed until the legislature or voters change it.

The small business exemption

Missouri exempts retail and service businesses with annual gross income under $500,000 from the state minimum wage. This is a genuine exemption that does not exist in most states, and it is also frequently misapplied. It does not exempt a business from the federal Fair Labor Standards Act, which reaches employees individually engaged in interstate commerce even where the enterprise itself is not covered. Treat the exemption as narrow and get advice before relying on it.

Agriculture exemption

RSMo 290.507 excludes agricultural employment from the state minimum wage law entirely. Federal FLSA agricultural provisions still apply, including their own exemptions and the separate child labor rules for agriculture, so this is a narrowing of state coverage rather than a general exemption from wage law.

Overtime

Missouri follows the federal weekly standard: time and a half after 40 hours in a workweek. There is no daily overtime requirement, no seventh-day rule, and no state exempt salary threshold above the federal one. Classification therefore turns entirely on the federal duties and salary tests.

Meal and rest breaks

Missouri requires none for adults. An employee may work a twelve-hour shift with no legally mandated break at any point. If an employer chooses to provide breaks, federal rules govern how they are paid: short breaks of roughly five to twenty minutes count as hours worked and are paid, while a bona fide meal period of thirty minutes or more may be unpaid only if the employee is completely relieved of duty. Employees under 16 must receive a 30-minute break after five consecutive hours, and additional restrictions apply to minors in the entertainment industry.

The Missouri Equal Pay Act

RSMo 290.400 through 290.460 prohibits paying a lower wage on the basis of sex for the same quantity and quality of work. It is an older statute than the equal pay laws several states have enacted recently, and it is narrower: it addresses sex-based wage differences rather than the broader comparable-work and pay-history restrictions found in California or New York. An affected employee may recover the wage difference in a civil action, and the Labor and Industrial Relations Commission has mediation authority. Federal law sits on top of this, so the federal Equal Pay Act and Title VII both apply to Missouri employers meeting their thresholds.

Prevailing wage on public works

Contractors on Missouri public works projects exceeding $75,000 must pay the applicable prevailing wage rate determined by occupational title for the county where the work is performed, along with the associated certified payroll and posting duties. This is a distinct regime from the state minimum wage and applies regardless of employer size. Construction employers bidding public work should confirm the annual wage order for each county before pricing labor.

Child labor

Missouri regulates the employment of minors under RSMo Chapter 294. Employees aged 14 and 15 generally need a work certificate issued through the school district, face limits on daily and weekly hours and on how late they may work, and must receive a 30-minute break after five consecutive hours. Certain occupations are prohibited entirely. Additional rules apply to minors in the entertainment industry. Requirements are published by the Division of Labor Standards, and federal child labor rules apply alongside them.

Pay frequency and statements

Missouri requires wages to be paid at least twice per month for most employees, with payment due within sixteen days of the close of the pay period. Corporations must furnish an itemized statement showing deductions. Deductions beyond those required by law generally require written authorization from the employee.

Leave Requirements in Missouri

With paid sick leave repealed, Missouri's leave landscape is thin by national standards, but three state obligations remain and one arrives in June 2026.

Pregnancy accommodation and lactation

Missouri has no standalone pregnancy accommodation statute of the kind California and Minnesota enacted, so the obligations come from elsewhere. The MHRA prohibits sex discrimination, which includes pregnancy, at six or more employees. The federal Pregnant Workers Fairness Act requires reasonable accommodation for pregnancy and related conditions at fifteen or more employees, and the federal PUMP Act requires reasonable break time and a private space that is not a bathroom for nursing employees, reaching nearly all employers. An employer relying on Missouri statute alone will therefore miss most of what actually applies.

VESSA: the obligation most Missouri employers miss

The Victims Economic Safety and Security Act took effect August 28, 2021 and sits at RSMo 285.625 through 285.670. Employers with 20 or more employees must provide unpaid leave to an employee who is a victim of domestic or sexual violence, or whose family or household member is, for purposes including medical treatment, victim services, counseling, safety planning or relocation, and legal proceedings.

The entitlement is one week per twelve-month period for employers with 20 to 49 employees and two weeks for employers with 50 or more. Leave may be taken intermittently or on a reduced schedule. It is not available to an employee who has already exhausted FMLA leave in the same period. Employees are expected to give 48 hours notice where practicable, and where an absence is unscheduled the employer may not act against the employee who provides certification within a reasonable time.

VESSA also requires reasonable safety accommodations, which can include adjusted job structure or workplace facilities, a modified schedule, a transfer, a changed phone number or work station, and assistance documenting violence that occurs at work. Employers must notify employees of these rights.

NICU leave, effective June 1, 2026

The Neonatal Intensive Care Leave Act is the newest obligation and applies at a lower threshold than FMLA. Employers with 16 or more employees must provide up to 10 days of unpaid leave while an employee's child is receiving care in a neonatal intensive care unit. Employers with 50 or more must provide up to 20 days.

The Missouri Human Rights Act

The MHRA at RSMo Chapter 213 is enforced by the Missouri Commission on Human Rights. Its shape changed substantially with SB 43, effective August 28, 2017, which moved Missouri from one of the more plaintiff-friendly states to one aligned with federal standards.

Protected classes

The MHRA covers race, color, religion, national origin, ancestry, sex, disability, and age between 40 and 69. It does not enumerate sexual orientation or gender identity, though federal Title VII protections established in Bostock v. Clayton County apply to Missouri employers at fifteen or more employees. Employers with six to fourteen employees therefore face a coverage gap that a single set of consistent policies is the simplest way to close.

Damage caps by employer size

SB 43 introduced caps on combined compensatory and punitive damages: $50,000 for employers with 6 to 100 employees, $100,000 for 101 to 200, $200,000 for 201 to 500, and $500,000 for more than 500. Back pay and interest sit outside the cap, as do attorney fees.

Whistleblower Protection Act

SB 43 also codified Missouri's whistleblower claim at RSMo 285.575, replacing the common law public policy discharge action. It protects employees who report an unlawful act to a supervisor or authority, or who refuse to carry out a directive that would violate law, using the same motivating factor standard. Remedies include back pay, medical bills, liquidated damages, and attorney fees. Harassment prevention training is not mandated by Missouri statute, unlike California and Illinois.

Workplace Safety and Workers Compensation

Workers compensation

Missouri requires workers' compensation coverage from employers with five or more employees. Construction industry employers are covered at one or more employee, with no minimum. Coverage is obtained through a private carrier, through group self-insurance, or by qualifying as self-insured with the Division of Workers' Compensation. Sole proprietors, partners, and certain corporate officers may elect out.

Injured employees receive no compensation for the first three days of lost time unless the disability extends beyond fourteen days, at which point the first three days become payable. Retaliation for filing a claim is prohibited. Missouri also reduces or forfeits benefits where an employee refuses a lawfully required post-injury drug or alcohol test, or where the injury results from a safety rule violation the employer had enforced.

Occupational safety

Missouri has no state OSHA plan for the private sector. Federal OSHA has direct jurisdiction over private employers, and the Missouri Division of Labor Standards operates a separate on-site consultation program plus a safety and health program covering public sector employees. The practical implication is that a Missouri employer follows federal OSHA standards, recordkeeping, and reporting deadlines without a state overlay, which is simpler than the position in states operating their own plans.

Required Workplace Postings

Missouri requires a shorter poster set than most states. All state posters are available free from the Department of Labor and Industrial Relations. There is no requirement to buy a combined poster from a vendor.

Employers with remote workers should distribute the same notices electronically. Missouri does not impose an explicit electronic distribution mandate the way some states do, but a poster on a wall no remote employee sees does not accomplish what posting is meant to accomplish, and several federal notices carry their own distribution expectations.

Drug Testing and Employee Privacy

Cannabis and drug testing

Missouri legalized recreational cannabis through Amendment 3 in December 2022, and the employment provisions are narrower than in several other states. Employers may prohibit cannabis use and impairment at work and may maintain drug-free workplace policies. Missouri does not extend the broad off-duty use protections found in states such as California and Minnesota, though medical marijuana patients receive some protection under the constitutional amendment. Because this area is unsettled and fact-specific, an employer changing its testing policy should get advice rather than copying a policy from another state.

Workers' compensation gives Missouri employers a distinct incentive to maintain post-injury testing. An employee who refuses a lawfully required test after a workplace injury can lose benefits, and benefits may be reduced where the injury was caused by intoxication.

Personnel files, recording, and monitoring

Missouri has no statute giving private sector employees a general right to inspect their ownpersonnel files, which distinguishes it from California, Minnesota, and Illinois. Employers may adopt their own access policy, and doing so is reasonable practice even though it is not required.

Missouri is a one-party consent state for recording conversations. One participant may record without notifying the others, provided the recording is not made for a criminal or tortious purpose. Employers may restrict recording in the workplace by written policy. Missouri has a data breach notification statute requiring notice without unreasonable delay to affected residents, enforced by the Attorney General.

Termination and Final Pay

Final paycheck

Under RSMo 290.110, when an employer discharges an employee, wages are due at the time of dismissal. If the employee makes a written request for payment and the employer does not pay within seven days, the employee's wages continue as a penalty until paid, for up to sixty days.

Missouri does not set a separate statutory deadline for employees who resign, so the next regular payday is the working standard.

The service letter statute: Missouri's most unusual obligation

Very few states have anything like this, and employers arriving from elsewhere have usually never encountered it. Under RSMo 290.140, a corporation doing business in Missouri with seven or more employees must issue a written service letter on request from a former employee.

Four conditions have to be met before the duty attaches. The employee must have worked at least 90 days. The separation must have occurred within the past year. The request must be in writing, sent by certified mail to the superintendent, manager, or registered agent, and it must specifically reference the statute. If all four are satisfied, the employer has 45 days to issue a signed letter stating the nature and character of the service rendered, its duration, and truly stating the cause of the discharge or voluntary quit.

Mass layoffs: federal WARN only

Missouri has no state mini-WARN act. Federal WARN governs, which means 60 days advance notice for employers with 100 or more employees before a plant closing affecting 50 or more workers or a mass layoff meeting the statutory thresholds. Employers below 100 employees have no advance notice obligation under either federal or Missouri law. Missouri does operate rapid response services through the Division of Workforce Development, and notifying them early is voluntary but useful.

Health coverage continuation

Missouri handles continuation coverage through the insurance code rather than through a separate small-employer statute. RSMo 376.428 requires group health policies issued in Missouri to provide continuation on termination of employment in the same manner federal COBRA requires. The practical effect is that employees of smaller employers whose plans fall outside federal COBRA may still have continuation rights through the policy itself. Because the mechanism sits with the carrier rather than with the employer directly, confirm with your carrier what the policy provides and who is responsible for issuing election notices.

Non-compete agreements

Missouri enforces non-compete agreements that are reasonable in duration, geographic scope, and the interest protected, which typically means trade secrets or customer relationships rather than ordinary competition. Missouri courts will modify an overbroad agreement rather than voiding it outright. RSMo 431.202 provides a statutory framework for agreements protecting confidential information and customer relationships. This is a meaningful contrast with Minnesota, which banned non-competes outright in 2023, and employers operating in both states cannot use one template.

Unemployment and separation

Missouri unemployment benefits are administered by the Division of Employment Security. Claimants discharged for misconduct connected with work, or who quit voluntarily without good cause attributable to the work or the employer, may be disqualified. Employers should respond to claim notices within the stated deadline with documentation, since a late or undocumented response generally forfeits the objection.

Payroll Tax and Registration

Missouri employers register with two state agencies plus, in two cities, a local one.

State income tax withholding

Missouri imposes a graduated income tax that begins at 2 percent and tops out at 4.7 percent, a ceiling that has stepped down under statutory revenue triggers in recent years. Withholding is calculated using Form MO W-4, which every employee completes in addition to the federal W-4. Registration and filing run through the Department of Revenue. Filing frequency depends on withholding volume and can be quarterly, monthly, or quarter-monthly.

Unemployment insurance

Employers register with the Division of Employment Security through the employer portal. New employers receive an assigned rate that varies by industry, and experienced employers are rated on their claims history. Quarterly contribution and wage reports are due at the end of the month following each quarter. Missouri's taxable wage base is set annually and is among the lower bases nationally, which keeps administration simple but makes rate management the main lever on cost.

Garnishment and wage payment method

Missouri sets its own garnishment limits rather than simply adopting the federal cap, and it provides a more protective limit for an employee who is head of a family. Child support orders follow their own schedule. Because the applicable percentage depends on the order type and the employee's circumstances, the safe practice is to apply the limit stated in the order and to confirm rather than assume when two orders arrive for the same employee. Missouri also prohibits retaliation against an employee because their wages are garnished.

On payment method, deductions beyond those required by law generally require written authorization from the employee, which is the rule most often missed on uniform costs, equipment, and cash shortages. Missouri does not treat an employee's general handbook acknowledgment as authorization for a specific deduction, so collect a separate signed authorization for each one.

Workers compensation premiums

Premiums are set by carriers based on classification codes and experience modification. Missouri also assesses a surcharge on workers' compensation policies to fund the Division and the Second Injury Fund, collected through the carrier rather than paid separately.

Kansas City and St. Louis

Local minimum wages are preempted, but local taxes are not, and this is where multi-location employers most often have a gap.

The earnings tax follows the work location, not the office address. A company headquartered in a suburb whose employees perform work inside city limits owes withholding on that portion of compensation. Employers with field staff, delivery routes, or client sites across the metro should track work location rather than assuming the headquarters address settles it.

Missouri Requirements by Employer Size

Missouri spreads its thresholds across more headcounts than most states, and they do not line up with the federal ones. A business crossing from five to seven employees picks up three separate obligations from three different chapters of the statutes. This table is the fastest way to see what applies to you right now and what arrives next.

Employee Handbook Policies

Missouri mandates fewer written policies than California or Illinois, which leads some employers to conclude the handbook matters less here. The opposite is closer to the truth. Because Missouri law is silent on paid time off payout, and because the service letter statute will eventually ask you to state a separation reason in writing, your own documents supply the rules that statute does not.

Arbitration agreements: the Missouri consideration problem

Employers rolling out a national arbitration agreement should stop at Missouri. The Missouri Supreme Court held in Baker v. Bristol Care that continued at-will employment is not valid consideration for an arbitration agreement, and that an employer's promise to arbitrate is illusory where the employer can modify or revoke the agreement. Later appellate decisions extended the reasoning: because the terms of at-will employment are imposed unilaterally, even new employment has been held insufficient.

Two of these deserve emphasis together. The paid time off payout rule and the service letter statute both turn on what you wrote down earlier, and both surface at separation, which is exactly when memories differ. Settling the wording once, in a document employees acknowledge at hire, removes most of the argument.

Missouri vs Federal vs Illinois

The St. Louis metro crosses into Illinois, which makes this the most useful comparison for a large share of Missouri employers. The two states differ more than almost any other adjacent pair in the region.

The pattern is consistent. Missouri sets a high wage floor and then requires comparatively little else, while Illinois layers mandates on top of a similar wage. An employer moving a role across the river inherits paid leave, annual training, and a one-employee discrimination threshold.

Legislative Timeline

Missouri's employment law has moved through ballot measures more than through ordinary legislation, which produces sharper reversals than most states experience.

Frequently Asked Questions