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Massachusetts sales tax, explained.

Thresholds, rates, taxability, filing schedules, and the Massachusetts DOR — everything a remote seller needs to know about Massachusetts, on one page.

Economic nexus threshold
$100,000
Statewide base rate
6.25%
Transaction threshold
None
BostonCambridgeLowellWorcesterSpringfield
Massachusetts · major filing jurisdictions
Nexus · Massachusetts

When you owe sales tax in Massachusetts.

Either economic or physical nexus creates the obligation to register with MassTaxConnect and begin collecting. Massachusetts measures sales only — there is no transaction-count test.

Economic nexus
Threshold
$100,000 in gross sales delivered into Massachusetts
Measurement type
Sales only — transaction count does not factor in
Measurement period
Previous or current calendar year
Included
Total gross sales, including exempt and resale transactions — marketplace sales are excluded when the marketplace facilitator collects on your behalf
Marketplaces
Marketplace-facilitated sales are excluded from your threshold — only your own direct sales count when a registered marketplace facilitator is collecting and remitting the tax
Physical nexus
Office or business locationEmployees / remote staffWarehouse or inventoryThird-party fulfillmentAgents or representatives

Any physical presence in Massachusetts triggers nexus immediately, with no sales minimum. Remote employees working from a Massachusetts address are one of the most common surprises for growing companies — nexus applies from the first sale once a qualifying presence exists.

Rates · Massachusetts

One rate, statewide — no local add-ons.

Massachusetts is one of the simplest states for rate compliance: the 6.25% statewide rate is the only rate, applied uniformly to every taxable sale regardless of delivery address. There are no county or city surtaxes in Massachusetts, so Boston, Worcester, and Springfield all collect at exactly the same rate.

JurisdictionCombined rateTangible propertyDigital goodsSaaSServices
MassachusettsStatewide rate6.25%6.25%0%6.25%0%
Boston6.25%6.25%0%6.25%0%
Worcester6.25%6.25%0%6.25%0%
Springfield6.25%6.25%0%6.25%0%
Cambridge6.25%6.25%0%6.25%0%
Lowell6.25%6.25%0%6.25%0%

Massachusetts has no local or county sales taxes. The 6.25% state rate applies uniformly to every taxable sale in the state. Rates verified as of June 11, 2026.

Need to confirm the rate for a specific Massachusetts address? Our calculator returns the applicable Massachusetts rate — always 6.25% statewide, but useful for automated invoice verification.

Open the sales tax calculator
Taxability · Massachusetts

Is your product taxable in Massachusetts?

Massachusetts taxes tangible personal property and — notably — SaaS. Digital goods and most services remain exempt. The SaaS rule catches many software companies off guard.

Product categoryStatusWhat to know
Tangible personal propertyTaxablePhysical goods delivered into Massachusetts are taxable at 6.25%. The rate is uniform statewide with no local add-ons.
SaaS & cloud softwareTaxableMassachusetts taxes both B2B and B2C remotely-accessed software at 6.25%. This includes subscription-based platforms, cloud services, and hosted applications — one of the broader SaaS rules in the country.
Digital goodsNot taxableDownloaded digital products such as e-books, music, and software delivered electronically are exempt from Massachusetts sales tax.
Professional servicesNot taxableConsulting, legal, design, and similar professional services are not subject to Massachusetts sales tax.
General servicesNot taxableMost stand-alone services are exempt in Massachusetts. Charges for services that are incidental to a taxable sale of tangible property may be taxable when bundled.
Bundled hardware + softwarePartialWhen taxable hardware is sold with separately-stated SaaS, each line is assessed independently. Itemize your invoices to avoid over- or under-collecting.
Filings · Massachusetts

Filing schedules and due dates.

The Massachusetts DOR assigns a filing frequency at registration based on your expected tax liability and reviews assignments periodically. All returns are filed through MassTaxConnect. Returns are required for every assigned period, including zero-tax periods.

FrequencyReturnDue dateWho it applies to
MonthlyMost common for active sellersSales and Use Tax Return (via MassTaxConnect)20th of the following monthSellers with higher tax liability — the default for most remote sellers with regular Massachusetts sales
QuarterlySales and Use Tax Return (via MassTaxConnect)20th of the month following the close of the quarterSellers with lower tax liability, as assigned by the DOR
AnnualSales and Use Tax Return (via MassTaxConnect)20th of January for the prior calendar yearSmall sellers with minimal taxable sales, as assigned

Crossed the threshold, or not sure if you have?

A Commenda expert will review your Massachusetts exposure, register you with the DOR through MassTaxConnect, and take over the filing calendar — usually within a week.

The state authority

Massachusetts DOR — MassTaxConnect.

The Massachusetts Department of Revenue operates MassTaxConnect as the single online portal for all sales and use tax activity. One account covers registration, filing, payment, and account management — there are no separate local portals in Massachusetts.

mass.gov/sales-and-use-tax-for-businesses

Registration through MassTaxConnect requires your Tax Portal username, Tax Portal password, and — once assigned — your State Tax ID in the format SLS-XXXXXXXX-XXX.

What you can do there
  • Register for a sales tax permit

    Create a MassTaxConnect account and register for the Sales and Use Tax account type. No fee to register.

  • File returns and pay

    All returns, amendments, and payments are submitted through MassTaxConnect — ACH debit or credit card accepted.

  • Confirm taxability and rates

    The Massachusetts DOR website provides taxability guidance by product category. The statewide rate is always 6.25% — no address lookup needed for the rate.

  • Verify a resale certificate

    Confirm a buyer's Massachusetts registration is active through MassTaxConnect before accepting an exemption claim.

Exposure & exemptions · Massachusetts

If you're behind, or your buyers are exempt.

Back-period exposure & voluntary disclosure

Massachusetts offers a voluntary disclosure program for out-of-state sellers who come forward before the DOR initiates contact. Proactive disclosure significantly limits exposure.

Lookback
Typically 3 years under a VDA — versus the full statutory period if the DOR contacts you first
Penalties
Waived under the voluntary disclosure program
Interest
Still owed on the tax due — interest relief is not part of the standard VDA
Unfiled returns
No statute of limitations runs until a return is filed for that period

Exemption certificates accepted

Collect a valid exemption certificate at the time of sale and retain it in your records. Massachusetts places the burden of proving an exemption on the seller.

Resale
Massachusetts ST-4 Sales Tax Resale Certificate — buyer provides their Massachusetts registration number
Exempt organization
ST-5 Exempt Purchaser Certificate — for qualifying nonprofits, government agencies, and other exempt entities
Multi-state
MTC Uniform Sales & Use Tax Certificate accepted; Massachusetts is not an SST member state
Manufacturing
ST-12 Exempt Use Certificate — covers machinery and equipment used directly in manufacturing

FAQ · Massachusetts

Massachusetts questions, answered.

The questions remote sellers ask us most about Massachusetts sales tax.
Read our FAQ library

Yes. Massachusetts taxes both B2B and B2C SaaS at 6.25%. Remotely-accessed software — including subscription platforms, hosted applications, and cloud services — is treated as taxable in Massachusetts regardless of whether software is downloaded. This is broader than most states and catches many software companies by surprise.

Yes. Massachusetts imposes a single 6.25% statewide rate with no local or county add-ons. Every taxable sale in the state — whether delivered to Boston, Worcester, or Springfield — is collected at exactly 6.25%. This makes rate compliance straightforward compared to states with complex local surtax structures.

Massachusetts requires registration when a remote seller has $100,000 or more in gross sales delivered into the state in the current or previous calendar year. There is no transaction-count test — sales dollars are the only measure.

No. When a registered marketplace facilitator collects and remits the tax on your behalf, those sales are excluded from your own economic nexus calculation. Only your direct sales count toward the $100,000 threshold.

No. Downloaded digital products — including e-books, music files, and digitally delivered software — are exempt in Massachusetts. Note that this is separate from SaaS: remotely-accessed cloud software with no download is taxable, while a downloaded digital product is not.

Yes. A single employee working remotely from a Massachusetts address creates physical nexus immediately, with no sales-volume minimum. Registration is required from the first sale once the employee relationship begins.

All Massachusetts sales and use tax returns are filed through MassTaxConnect, the Department of Revenue's online portal. The DOR assigns a filing frequency — monthly, quarterly, or annual — based on your expected tax liability. Returns are due by the 20th of the month following the close of the period.

Yes. Commenda monitors your Massachusetts exposure, registers you with the DOR through MassTaxConnect, calculates the right rate on every transaction, and files each return on the assigned schedule. Book a call to see it on your own data.

United States

Sales tax, state by state.

* No state-level sales tax. Alaska's local jurisdictions still enforce economic nexus through the ARSSTC.