20 S CLARK ST, Loop
A fire alarm system modification is in progress at 20 S Clark St in Chicago's Loop neighborhood. This work involves updating the existing system on the 24th and 25th floors of this high-rise building.
This permit was issued on June 8, 2026, and is currently active. The permit fee was $325, covering the modification of the fire alarm system, which includes voice communication capabilities.
For high-rise buildings in the Loop, fire alarm system modifications are crucial for safety and can involve significant costs beyond the permit fee.
Issued
June 8, 2026
Expires
—
License
—
See what a project like this costs near you
We'll compare your scope against real permits and licensed contractors in the area.
Start my estimate →Free · takes 60 seconds · no account needed
Filed by SIEMENS INDUSTRY INC · 34 permits across 4 areas
View the official permit record
Tracking number, work description, cost, and dates
| Tracking Number | B200471574 |
| Work Permit # | — |
| Job Filing Number | — |
| Work Type | Fire Alarm System |
| Status | ACTIVE |
| Job Description | FIRE ALARM: MODIFICATION OF EXISTING SYSTEM. ASSOCIATED BUILDING PERMIT:101081410. AFFECTS: 0 DWELLING UNITS; 1 NON-RESIDENTIAL UNITS. HIGH-RISE BUILDING: YES. VOICE COMMUNICATION: YES. SPECIAL LOCKING: NO. MONITORING TYPE: SUPERVISING STATION . SPECIFIC LOCATION: 24TH & 25TH. |
| Floor / Unit | — |
| Estimated Cost | Not reported |
| Approved | June 4, 2026 |
| Issued |
RAVELINREIT
| June 8, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |