Massachusetts building permits
We index 641,830 building permits across 1 Massachusetts metro — Boston — classified into real segments, parcel-joined, with field-level data-quality flags.
The largest segments statewide are Residential MEP (34%), Residential Alteration (24%), Commercial MEP (19%).
Metros we cover in Massachusetts
- Boston641,830
Counts are live from the classified index, refreshed nightly. Each metro links to its full breakdown — segments, permit types, and contractors.