Chicago · building permits · month 2011-09
How many fire sprinkler permits did Chicago issue in September 2011?
3. That is every matching building permit the City issued from 2011-09-01 to 2011-09-30, counted in the City’s own dataset ydr8-5enu and re-read daily. Filter: Any permit whose work description mentions a sprinkler, fire suppression, or a standpipe. 261 in the year to 2026-07-01 — a thin trade, so quiet weeks are common.
fire sprinkler permits issued in September 2011
3
Combined reported cost
$541,000
where the permit reports one
Permits reporting a cost
3
Largest single permit
$350,000
highest reported cost this month
Window 2011-09-01 to 2011-09-30 · measured 2026-08-07 · City of Chicago dataset ydr8-5enu
| Issued | Address | Permit type | Reported cost | Source |
|---|---|---|---|---|
| 2011-09-08 | 104 S MICHIGAN AVE | PERMIT - RENOVATION/ALTERATION | $350,000 | 100405264 |
| 2011-09-08 | 104 S MICHIGAN AVE | PERMIT - RENOVATION/ALTERATION | $170,000 | 100405269 |
| 2011-09-20 | 710 N LAKE SHORE DR | PERMIT – EXPRESS PERMIT PROGRAM | $21,000 | B100411023 |
September 2011 · 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 2011.
September 2011 · 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.