Not supplied
Oct 30, 2026
Contractor profile / Chicago
Follow permit changes ＋DETECTION SYSTEMS & SERVICE
Explore 1 Chicago work permit naming DETECTION SYSTEMS & SERVICE, Oct 30, 2026. Reported roles cover the dates shown.
Recorded contractor roles: ELECTRICAL CONTRACTOR.
Permits describing work1
Latest issued / readyOct 30, 2026
Typical reported estimateNot supplied
Largest reported estimateNot supplied
Prospect research
Save to my prospects ＋1 work permits in the last 30 days · 1 in 90 days · Latest Oct 30, 2026
Source roles ELECTRICAL CONTRACTOR
Fire Alarm System 1
Counts include permits naming this company. Administrative changes, unclear work descriptions and withdrawn records are excluded. Permit issue dates show filing activity; they do not establish construction progress or buying intent. Source work descriptions may differ from the categories shown below.
Activity in this coverage
Oct 30, 2026 — Oct 30, 2026 · Positive reported estimates: 0 of 1 work permit. Typical means the median of those estimates.
| Issue year | Work permits | With estimates | Reported estimates |
|---|---|---|---|
| 2026 | 1 | 0 | Not supplied |
Each permit counts once, even when a company has several roles. Estimates describe the whole permitted job; they are not company revenue or contract values. 0 administrative or unclear-scope records excluded from these totals. These figures cover the dates shown above and may not include all of the company's work.
Business contacts & licenses
Last checked Nov 2, 2026 · City trade-license register. City says current as of Monday, November 02, 8:00 AM.
Name matches a City register entry · compare the business address to confirm the company.
DETECTION SYSTEMS & SERVICE
1035 HAVENS CT, DOWNERS GROVE, IL 60515
(630) 705-9585 ↗ Source ↗ · Checked Nov 2, 2026- Electrical Contractor (Low Voltage)
- #ECC94646 · Listed active
- License expires: Jan 29, 2027
Business contact details come from the public city register. Name matching does not independently verify ownership, phone reachability, availability, insurance, or work quality.
Check the official trade-license register ↗Work represented
Older filings under this source name ↗Each permit is counted once by its primary category. A company's source role may cover only part of the work.
Also named on these permits
Siemens Industry Inc ↗1 shared work permit
The source names these companies on the same permits. It does not establish who hired whom or a business partnership.
Permits in this coverage
Export CSV ↓1–1 of 1
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