reading the signal…
Signals / Event / Building permits stream
in Gardena, CA·counted·1 all time
Official approval for temporary supports holding back soil during excavation, typically documented before digging begins.
Counted, not streamed: Shoring Permit has no time series, so it is read as a footprint across places. All-time count by city.
Things that happen: permits, collisions, crimes, inspections. All-time counts.