What Is Massachusetts Payroll Tax?
Massachusetts payroll tax refers to the state payroll taxes and employment-related contributions that employers must withhold from employee wages or pay directly to state agencies. These taxes and contributions fund unemployment benefits, the state's personal income tax system, Paid Family and Medical Leave benefits, and certain state health insurance programs.
Massachusetts has a relatively broad employer payroll system. In addition to unemployment insurance and state income tax withholding, covered employers may be responsible for Paid Family and Medical Leave contributions, the Employer Medical Assistance Contribution, and annual health-insurance reporting. Massachusetts municipalities do not generally impose a separate local income tax on employee wages.
Most Massachusetts employers are responsible for the following payroll tax requirements:
- Unemployment Insurance (UI), administered by the Massachusetts Department of Unemployment Assistance
- Massachusetts Personal Income Tax withholding, administered by the Department of Revenue, generally at a 5% rate plus applicable surtax withholding
- Massachusetts Paid Family and Medical Leave (PFML) contributions, administered by the Department of Family and Medical Leave
Massachusetts Payroll Taxes at a Glance
| Payroll Tax | Paid By | Purpose |
|---|---|---|
| Unemployment Insurance (UI) | Employer | Provides temporary income for eligible unemployed workers |
| Personal Income Tax | Employee (withheld by employer) | State income tax withheld from employee wages |
| Paid Family and Medical Leave (PFML) | Employer and/or employee, depending on employer size and contribution type | Funds paid family and medical leave benefits for eligible Massachusetts workers |
Understanding who pays each tax especially how Massachusetts PFML contributions are divided between employers and employees helps employers calculate deductions correctly and avoid withholding more from workers than state law permits.
Massachusetts Employer Payroll Tax Responsibilities
Every employer with workers in Massachusetts has payroll tax responsibilities beyond simply issuing paychecks. Depending on your business, you'll generally need to:
- Register your business with the Massachusetts Department of Revenue and Department of Unemployment Assistance.
- Obtain Massachusetts withholding and unemployment insurance accounts.
- Collect a completed Massachusetts Employee's Withholding Exemption Certificate, Form M-4, from each employee.
- Withhold Massachusetts personal income tax from taxable employee wages.
- Calculate additional surtax withholding when required under the current withholding tables.
- Pay employer UI contributions and applicable unemployment-related assessments.
- Calculate, withhold, report, and remit applicable PFML contributions.
- Pay the Employer Medical Assistance Contribution when the business is subject to it.
- File quarterly employment and wage detail reports.
- Submit withholding returns, payments, and annual employee wage information through MassTaxConnect.
- Report every new hire and rehire to the Massachusetts New Hire Reporting Program within 14 days.
- Maintain payroll records for state compliance.
Many businesses use payroll software with built-in Massachusetts tax tables because employers may need to manage UI, income tax withholding, PFML contributions, EMAC, and other employer assessments using different rates and wage bases.
Types of Massachusetts Payroll Taxes
Unemployment Insurance (UI)
Unemployment Insurance is an employer-funded payroll tax administered by the Massachusetts Department of Unemployment Assistance that provides temporary financial assistance to eligible workers who lose their jobs through no fault of their own.
Employers pay this tax directly it is never deducted from employee paychecks.
Massachusetts assigns established employers an individual contribution rate based on factors such as the employer's unemployment experience, taxable payroll, account balance, and the annual rate schedule. Newly subject employers generally use a standard rate until they become eligible for an experience-based rate.
Key Facts
- Paid entirely by employers Massachusetts has no employee UI contribution
- Calculated on the first $15,000 of each employee's wages for 2026
- The standard 2026 new-employer contribution rate is 2.42%
- New employers in the construction industry pay a 6.08% rate for 2026
- Established employers receive an individually assigned annual contribution rate from the Department of Unemployment Assistance
- Employers may also be responsible for additional unemployment-related assessments shown on their annual rate notice
- Most Massachusetts employers receive a federal FUTA tax credit of up to 5.4% for timely state UI payment, bringing the effective FUTA rate down to about 0.6%
- Employment and wage detail reports and contributions must generally be submitted quarterly through Unemployment Services for Employers
Massachusetts Personal Income Tax Withholding
Massachusetts generally imposes a 5% personal income tax on wages. For 2026, employers use the Massachusetts Circular M withholding tables, which also account for the state's additional 4% surtax on taxable income exceeding the annually adjusted surtax threshold.
Employers are responsible for:
- Withholding Massachusetts income tax from taxable wages using current Department of Revenue withholding tables or percentage-method schedules
- Collecting Form M-4 from new employees and employees who change their withholding elections
- Calculating additional surtax withholding when required by the 2026 percentage-method tables
- Reporting withholding to the Massachusetts Department of Revenue
- Depositing withheld taxes on the schedule assigned according to the employer's withholding liability
- Filing withholding returns and required employee W-2 information electronically through MassTaxConnect
Massachusetts withholding generally applies to wages paid to Massachusetts residents and to nonresidents for services performed in Massachusetts. Massachusetts does not have broad reciprocal income tax agreements with neighboring states, so nonresident employees working in Massachusetts are generally subject to Massachusetts withholding on their Massachusetts-source wages.
Massachusetts Paid Family and Medical Leave Contributions
Massachusetts Paid Family and Medical Leave is a state program funded through payroll contributions from covered employers and employees. The contribution structure depends on whether the employer has 25 or more covered individuals in its Massachusetts workforce.
Key rules employers need to know:
- The total 2026 PFML contribution rate for employers with 25 or more covered individuals is 0.88% of eligible wages
- The 0.88% total consists of a 0.18% family-leave contribution and a 0.70% medical-leave contribution
- Up to the full 0.18% family-leave contribution may be withheld from covered individuals
- For employers with 25 or more covered individuals, no more than 40% of the medical-leave contribution 0.28% of eligible wages may be withheld from employees
- Employers with 25 or more covered individuals must pay at least the remaining 0.42% medical-leave contribution
- Employers with fewer than 25 covered individuals are not required to pay an employer share but must remit the required employee contributions
- PFML contributions apply only up to the annual Social Security contribution and benefit base
- Quarterly PFML wage reports and contributions are filed through MassTaxConnect
Because the Massachusetts PFML split depends on workforce size and separates family-leave and medical-leave contributions, employers should configure payroll deductions carefully and review their covered-individual count each year.
Which Payroll Taxes Are Paid by Employers vs Employees?
| Tax | Employer Pays | Employee Pays |
|---|---|---|
| Unemployment Insurance (UI) | YES | NO |
| Personal Income Tax | NO | Withheld from wages, generally at 5% plus applicable surtax withholding |
| Paid Family and Medical Leave (PFML) | Employers with 25 or more covered individuals must pay the required employer medical-leave share | Family-leave contribution and a permitted portion of the medical-leave contribution may be withheld |
Massachusetts places the unemployment tax burden on employers, while personal income tax is withheld from employee wages. PFML contributions may be shared between employers and employees, with larger covered employers required to fund part of the medical-leave contribution.
Massachusetts Payroll Tax Rates for Employers
Understanding current Massachusetts payroll tax rates is essential for calculating payroll accurately. Because experienced-employer UI rates are assigned individually and PFML obligations depend on workforce size, employers should review their annual rate notices and contribution classifications before processing payroll.
Massachusetts Payroll Tax Rates at a Glance
| Payroll Tax | Who Pays | General Rate | Taxable Wage Base |
|---|---|---|---|
| Unemployment Insurance (UI) | Employer | New employers: 2.42%. New construction employers: 6.08%. Established employers receive an individually assigned annual rate | $15,000 for 2026 |
| Personal Income Tax | Employee | Generally 5%, plus additional 4% surtax withholding when applicable under the 2026 withholding tables | Applies to taxable Massachusetts wages, with no UI-style annual wage cap |
| Paid Family and Medical Leave (PFML) | Employer and/or employee | 0.88% total for employers with 25 or more covered individuals; smaller employers remit the applicable employee-funded portion without a mandatory employer contribution | Eligible wages up to the annual Social Security contribution and benefit base |
According to official Massachusetts guidance, the standard new-employer unemployment contribution rate is 2.42% for 2026, while newly subject construction employers pay 6.08%. Established employers receive an individual annual rate, and UI contributions apply only to the first $15,000 paid to each employee during the year.
Instead of relying on a general statewide estimate, employers should review their annual UI rate notice, confirm their PFML covered-workforce size, and make sure payroll software reflects the current Massachusetts withholding and surtax tables.
Understanding Taxable Wages
Not every Massachusetts payroll tax applies to wages the same way. Depending on the tax involved, taxable wages may include:
- Hourly wages
- Salaries
- Bonuses
- Overtime pay
- Commissions
- Certain taxable fringe benefits
UI tax applies only to the first $15,000 of each employee's annual wages. State income tax withholding generally applies more broadly to taxable Massachusetts wages, while PFML contributions apply to eligible wages up to the annual Social Security contribution and benefit base. EMAC uses its own applicable wage base and employer eligibility rules.
Massachusetts Payroll Tax Filing Deadlines
Meeting payroll tax deadlines is just as important as calculating taxes correctly. Late filings or payments can lead to penalties and interest charges.
Unemployment Insurance (Quarterly Wage Report)
| Reporting Quarter | Filing Deadline |
|---|---|
| January – March | April 30 |
| April – June | July 31 |
| July – September | October 31 |
| October – December | January 31 |
State Income Tax Withholding
Massachusetts withholding payments may be due on a quarterly, monthly, or more frequent schedule depending on the employer's total withholding liability. Employers must follow the payment schedule assigned under Department of Revenue rules and file applicable returns electronically through MassTaxConnect.
Paid Family and Medical Leave Contributions
Massachusetts PFML reports and contribution payments are due quarterly through MassTaxConnect. The deadlines generally follow the standard quarterly schedule: April 30, July 31, October 31, and January 31.
If a deadline falls on a weekend or legal holiday, it generally moves to the next business day. Because Massachusetts employers may have UI, withholding, PFML, and EMAC liabilities on different accounts, tracking each filing and payment confirmation separately helps avoid missed deadlines.
How to Register for Massachusetts Payroll Taxes
Before paying employees, businesses typically need to register with the Massachusetts Department of Revenue and the Department of Unemployment Assistance.
State registration: Employers register for Massachusetts income tax withholding through MassTaxConnect and establish an unemployment insurance account through Unemployment Services for Employers. PFML reporting and contributions are also managed through MassTaxConnect.
Additional employer registration: Employers subject to Massachusetts unemployment insurance are generally also evaluated for EMAC reporting. Businesses should confirm whether workforce size, years of liability, or an exemption affects their EMAC contribution responsibility.
During registration, you'll generally need information such as:
- Legal business name
- Federal Employer Identification Number (EIN)
- Business entity type
- Business address and all Massachusetts work locations
- Owner or responsible party information
- Date employees first performed services in Massachusetts
- Estimated payroll information
How to File Massachusetts Payroll Taxes
Filing payroll taxes in Massachusetts involves managing unemployment insurance, income tax withholding, PFML, and applicable employer assessments in parallel. A typical filing process includes:
Step 1: Calculate Employee Wages
Determine each employee's gross wages, including regular pay, overtime, bonuses, commissions, and other taxable compensation.
Step 2: Determine Applicable Local Jurisdictions
Confirm where each employee physically performs services and whether employment is localized in Massachusetts. Massachusetts does not generally impose local wage withholding, but work location determines whether Massachusetts withholding, UI, and PFML requirements apply.
Step 3: Calculate Payroll Taxes
Determine your employer UI contribution based on your current rate notice, calculate employee income tax withholding using Form M-4 and the current Circular M tables, and calculate applicable PFML and EMAC contributions.
Step 4: Withhold Employee Taxes
Deduct Massachusetts personal income tax and any permitted employee PFML contributions from each paycheck. Apply additional surtax withholding when required by the current percentage-method tables.
Step 5: Pay Employer Contributions and Remit Withholding
Pay UI contributions and applicable employer assessments through Unemployment Services for Employers. Remit state income tax withholding and PFML contributions through MassTaxConnect.
Step 6: File Payroll Tax Returns
Submit quarterly employment and wage detail reports, periodic withholding returns, quarterly PFML reports, applicable EMAC information, and required year-end W-2 filings through the appropriate Massachusetts systems.
Step 7: Maintain Payroll Records
Keep detailed payroll records, employee Form M-4 certificates, workforce-count documentation, wage information, filed returns, and payment confirmations in case of future audits or compliance reviews.
Following a consistent payroll process helps reduce mistakes and makes year-end reporting significantly easier.
Frequently Asked Questions
Who is required to pay Massachusetts payroll taxes?
Most businesses that hire employees performing services in Massachusetts are required to register with the Department of Revenue and Department of Unemployment Assistance. Their responsibilities may include paying employer UI contributions, withholding personal income tax, remitting PFML contributions, paying EMAC, filing returns, and maintaining payroll records.
What payroll taxes are employers responsible for in Massachusetts?
Massachusetts employers generally have responsibilities related to unemployment insurance, state personal income tax withholding, and Paid Family and Medical Leave contributions. Depending on employer size and history, they may also be responsible for the Employer Medical Assistance Contribution and other unemployment-related assessments.
How often do employers file Massachusetts payroll tax returns?
Unemployment insurance wage reports and PFML reports are generally filed quarterly. State income tax withholding returns and payments may be required quarterly, monthly, or more frequently depending on the employer's withholding liability.
How do I register for Massachusetts payroll taxes?
Employers register for withholding and PFML obligations through MassTaxConnect and establish an unemployment insurance account through the Massachusetts Department of Unemployment Assistance's online employer system.
What happens if payroll taxes are filed late?
Late filings or payments may result in penalties, interest charges, collection action, or other compliance issues. Delinquent unemployment contributions may also affect an employer's federal FUTA credit. Filing accurately and on time helps avoid unnecessary costs.
Does Massachusetts payroll tax apply to remote employees?
Yes. An employee who physically performs services from a Massachusetts location may create Massachusetts withholding, unemployment insurance, and PFML obligations even when the employer is located in another state. Employers should review where the employee's services are localized and whether any temporary-work or multistate rules apply.
Are Massachusetts payroll tax rates the same every year?
Not always. Massachusetts UI rates, unemployment-related assessments, PFML contribution rates, Social Security wage limits, withholding tables, surtax thresholds, and EMAC obligations can change. Employers should review current state guidance and annual rate notices before processing payroll each year.
Can payroll software calculate Massachusetts payroll taxes automatically?
Many payroll platforms automatically calculate Massachusetts UI contributions, personal income tax withholding, surtax withholding, PFML contributions, and applicable employer assessments. Employers are still responsible for ensuring employee information, Form M-4 elections, work locations, covered-workforce counts, and assigned UI rates are accurate and up to date.
Disclaimer
This article is for general informational purposes only and doesn't constitute legal, tax, or accounting advice. Payroll tax rates, wage bases, withholding tables, surtax thresholds, PFML contribution rules, EMAC requirements, and payment schedules can change. Consult a qualified CPA or tax professional for guidance specific to your business.
