reading the signal…
Signals / Event / Building permits stream
in San Fernando, CA·counted·1 all time
Authorization for altering or finishing an existing rented commercial or residential space.
Counted, not streamed: Tenant Improvement 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.