John R Jensen
Chicago business
- 10
- projects on record
- 3
- areas served
- Private Alarm Contractor Contractor
- license type
Winston
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Service areas
Trades
Recent projects
Reported costs from permit filings
Fire Alarm System Modification at 10 S LA SALLE ST, Loop
Fire Alarm SystemLoop · Sep 30, 2026Cost not reported
Issued
Fire Alarm System Modification at 300 S Wacker Dr, Loop
Fire AlarmLoop · Sep 28, 2026Cost not reported
Issued
Fire Alarm System at 307 N MICHIGAN AVE, Loop
Fire Alarm SystemLoop · Sep 15, 2026Cost not reported
Issued
Fire Alarm Modification at 120 S Riverside Plz, Near West Side
Fire Alarm SystemsNear West Side · Sep 15, 2026Cost not reported
Issued
Fire Alarm System Modification at 440 S LaSalle St, Chicago
ElectricalLoop · Aug 28, 2026Cost not reported
Issued
Fire Alarm System Modification at 300 S Wacker Dr, Loop
Fire Alarm SystemLoop · Aug 13, 2026Cost not reported
Issued
Fire Alarm System Modification at 300 S Wacker Dr, Loop
Fire Alarm SystemsLoop · Aug 13, 2026Cost not reported
Issued
Fire Alarm System Modification at 300 S Wacker Dr, Loop
Fire Alarm SystemsLoop · Aug 13, 2026Cost not reported
Issued
Fire Alarm System Repair at 900 N Franklin St, Chicago
Fire Alarm SystemsNear North Side · Jul 20, 2026Cost not reported
Issued
Fire Alarm System Modification at 225 N Michigan Ave, Loop
Fire Alarm SystemsLoop · Jul 10, 2026Cost not reported
Issued