Massachusetts parcel and infrastructure data by county
Korzy covers all 14 counties in Massachusetts with about 2.5 million parcel records. Statewide, 97% of records carry a value, 85% a year built and 0% an owner name; the API also tracks about 20 data-center projects and about 690 power plants with about 13,000 MW of capacity.
Featured Massachusetts counties
Middlesex County
About 530,000 parcel records. Nearly all include a value; 91% a year built.
8 data-center projects · about 520 MW of generation · about 180 mi of rail
Worcester County
About 320,000 parcel records. Nearly all include a value; 84% a year built.
3 data-center projects · about 2,000 MW of generation · about 280 mi of rail
Essex County
About 270,000 parcel records. Nearly all include a value; 90% a year built.
1 data-center project · about 1,200 MW of generation · about 80 mi of rail
Norfolk County
About 250,000 parcel records. Nearly all include a value; 92% a year built.
1 data-center project · about 2,400 MW of generation · about 110 mi of rail
Suffolk County
About 200,000 parcel records. Nearly all include a value; 91% a year built.
2 data-center projects · about 270 MW of generation · about 60 mi of rail
Hampden County
About 160,000 parcel records. Most include a value; 69% a year built.
3 data-center projects · about 1,400 MW of generation · about 140 mi of rail
Every other Massachusetts county answers the same address, point and context requests. Featured counties in other states.