✓ Verified — Licensed HVAC contractor · License #CAC1814143

Kosiba, William J

HVAC contractor · Port St John, FL

📍 4290 Skyway Drive, Port St John, FL

Kosiba, William J is a state-licensed HVAC contractor serving Port St John, FL and nearby communities. Their license is verified active on the FL contractor registry (License #CAC1814143). They handle heating, cooling, and furnace & AC repair. Describe your project on ZeroFi and get matched with Kosiba, William J and other vetted local pros - free, with no obligation.

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Licensing status sourced from the public state contractor-license registry. ZeroFi surfaces verified local pros and connects homeowners with them free.