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Open up to quality garage door repairs​
Open up to quality garage door repairs​
888-634-4969
888-634-4969
Meet Diligent Overhead Door - Western New Yorks Most Competent Door Professionals.
Meet Diligent Overhead Door - Western New Yorks Most Competent Door Professionals.
John Zappia
John Zappia
The founder of diligent overhead door
UID #16000119485
NY State Certified Home Inspector
National Certified Home Inspector
InterNACHI Certified Home Inspector
Certified Garage Door Technician
Licensed and Insured
At Diligent Overhead Door we provide our clients with solid workmanship in correcting and or installing Garage Doors and Components. Each Garage Door is different but our quality workmanship will always remain the same professional, honest with an experienced Door Tech at your service.
John Zappia
President and CEO
Diligent Overhead Door (Experts)
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