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Meet Diligent Overhead Door - Western New Yorks Most Competent Door Professionals.

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 deliver dependable, high-quality workmanship for every garage door repair or installation. Whether we're fixing existing components or installing new ones, you can count on consistent, professional service. Every garage door is unique, but our commitment to honest, expert craftsmanship never changes. An experienced technician is always ready to help.

 

John Zappia

President and CEO 

Diligent Overhead Door (Experts)

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