Sales tax in Middlesex County, Massachusetts
The sales tax rate in Middlesex County, Massachusetts is 6.25%. That is a 6.25% state rate, with no county rate on top: Middlesex County levies none, and it is the same at every address in the county. That rate was read from Massachusetts's own published schedule and checked on August 30, 2026.
What is the sales tax rate in Middlesex County?
| Massachusetts state rate | 6.25% |
|---|---|
| Combined rate | 6.25% |
How much sales tax is that on a purchase in Middlesex County?
At 6.25%, a $100 purchase carries $6.25 in sales tax and a $1,000 purchase $62.50. That is general merchandise; Massachusetts taxes some categories, often groceries, differently, as the note below explains.
Every county in Massachusetts has the same 6.25% floor. See every Massachusetts county.
Sales tax in counties next to Middlesex County
Middlesex County borders 5 counties, 1 of them in another state. The lowest rate next door is 0% in Hillsborough County, NH, which is $62.50 less on a $1,000 purchase than Middlesex County's rate.
| County | Combined sales tax |
|---|---|
| Essex County, MA | 6.25% |
| Norfolk County, MA | 6.25% |
| Suffolk County, MA | 6.25% |
| Worcester County, MA | 6.25% |
| Middlesex County, MA (this county) | 6.25% |
| Hillsborough County, NH | 0% |
Why the rate here is not the whole story
No local sales taxes anywhere in the state; groceries are exempt, and clothing under $175 per item is exempt (with the excess over $175 taxable).
How do I find the exact rate for an address in Middlesex County?
Use Massachusetts's own address lookup.
Who has to collect sales tax in Middlesex County?
Any seller with a physical presence in Massachusetts collects at the rate for the address of the sale; a remote seller does once it passes Massachusetts's economic nexus threshold. Massachusetts sales tax covers the statewide rules and what is exempt.
Work out your own numbers
-
Sales tax calculator
Tax on a specific purchase at this county's rate, and the total you will actually pay.
-
Do you have to collect?
Whether your sales into Massachusetts cross its economic nexus threshold. A different question from the rate.
-
Property tax in Middlesex County
The other local tax: effective rate and median bill for this county.
-
Sales tax by county
Every US county, and how Massachusetts compares with the rest of the country.
Sources
- Middlesex County rates: Massachusetts Department of Revenue / Tax Foundation, State and Local Sales Tax Rates (Jan. 2026)
- Collected and verified August 30, 2026. Confidence: S on the rate components (P read on a primary agency page, S strong but indirect, U unverified).