One file: GeoParquet + PMTiles

How it works · Compare with two files · One file

MassGIS property tax parcels, statewide. Overview tiles, detail geometry and attributes all come from the same .parquet; each parcel geometry is stored once.

Network, this page

Overview tiles	0
Rows for detail tiles	0
Rows for clicks	0
Footer	0
Detail tiles built	none yet

Click a parcel (zoom 12 and closer)

Attributes are read from the Parquet rows, row groups pruned on their bbox statistics.