Suffolk County sales tax rate, Massachusetts
Quick answer
Combined sales tax in Suffolk County runs 6.25% across the cities we cover, on top of Massachusetts's 6.25% state rate. The county share is a separate line from any city or special-district increment, which is why two addresses in the same county can pay different totals.
Cities in Suffolk County
County share shown separately from the city and district layers.
| City | State | County | City + districts | Combined |
|---|---|---|---|---|
| Boston | 6.25% | 0% | 0% | 6.25% |
Source: Massachusetts Department of Revenue · rates as published for 2026