KOVA SIGNALS

Chicago · building permits · month 2009-09

How many excavation permits did Chicago issue in September 2009?

3. That is every matching building permit the City issued from 2009-09-01 to 2009-09-30, counted in the City’s own dataset ydr8-5enu and re-read daily. Filter: Any permit whose work description mentions excavation, caissons, or shoring. 245 in the year to 2026-07-01 — a thin trade, so quiet weeks are common.

excavation permits issued in September 2009

3

Combined reported cost

$70,450

where the permit reports one

Permits reporting a cost

3

Largest single permit

$40,000

highest reported cost this month

Window 2009-09-01 to 2009-09-30 · measured 2026-08-07 · City of Chicago dataset ydr8-5enu

Chicago excavation permits issued 2009-09-01 to 2009-09-30, largest first
IssuedAddressPermit typeReported costSource
2009-09-233911 N NORA AVEPERMIT - RENOVATION/ALTERATION$40,000100301210
2009-09-0271 E DIVISION STPERMIT - EASY PERMIT PROCESS$25,750100308719
2009-09-024152 W NORTH AVEPERMIT - EASY PERMIT PROCESS$4,700100308826
Fetched 2026-08-07 · City of Chicago dataset ydr8-5enu · records as issued by the City

September 2009 · week by week

Each week below holds every matching permit for its seven days, not just the largest. ISO weeks, so the first and last may reach a few days outside September 2009.

September 2009 · other trades

Permit Signal

A month is the scoreboard. Subscribers get their trade’s permits the morning each one becomes public — connected, with the contractor attached.