✓ Verified — Licensed roofing contractor · License #105008969

John S Mager

Roofing contractor · Chicago, IL

📍 Chicago, IL

John S Mager is a state-licensed roofing contractor serving Chicago, IL and nearby communities. Their license is verified active on the IL contractor registry (License #105008969). They handle roof repair, replacement, and storm & hail damage. Describe your project on ZeroFi and get matched with John S Mager and other vetted local pros - free, with no obligation.

Get matched with a roofing contractor → Is this your business? Claim it

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