John Antoncew III
Boiler Installer · Gladstone, MI 49837
State license
- Number
- 315183
- Type
- Boiler Installer
- Status
- active
- Expires
- 2026-12-31
- Source
- Michigan LARA
Location & contact
Trades
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Quick answers
Answered from the public license record — not from reviews or estimates.
›Is John Antoncew III licensed in Michigan?
Yes. John Antoncew III holds license 315183 (Boiler Installer) recorded by Michigan LARA, valid to 2026-12-31. This listing is refreshed from that public register.
›What work does John Antoncew III do?
The register classifies John Antoncew III under HVAC. A contractor may do more than the license names — claiming the listing lets them correct it.
›How do I contact John Antoncew III?
Michigan LARA does not publish contact details, and no matching Google place was found. If this is your business, claim the listing to add them.
›Where is John Antoncew III located?
Gladstone, Michigan, per the address on the license record.