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Middletown, DE

With fifty years under our belt, we provide a quality experience when it comes to the installation, repair, and maintenance of automatic window and door systems. We work with both large and small businesses throughout Delaware to provide high-quality service to fit each business’s specific needs. All of our technicians are certified to provide regular service and 24 hours, 7 days a week emergency services for all our valued customers.

Working With Del-Mar Door Service

Del-Mar Door Service is your expert partner for automatic door service and installation. We service and repair all makes and models of automatic doors from all manufacturers. 24/7 service is available to meet your after-hour needs. With certified AAADM Technicians and over 50 years of product knowledge, we are confident that we will exceed your expectations. Proudly serving Delaware since 1987.
116 Sleepy Hollow Dr.
Suite D
Middletown, DE
19709
800-492-2392

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Services

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24/7 Emergency Repair Service

Del-Mar Door Service has AAADM certified technicians that are available around the clock to provide 24-hour emergency service to ensure the safety and security of your business.

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Commercial Door Installation

Our certified employees are available to serve your needs before, during and after install. Our 3-step process ensures quality product but also proper and safe installation.

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Automatic Door Maintenance

Del-Mar Door Service not only sells and installs top quality doors, windows and accessories, we also provide support and maintenance on all your automatic doors.

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Commercial Door Service

Del-Mar Door Service not only sells and installs top quality doors, windows and accessories, we also provide support and maintenance on all your automatic doors.

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Commercial Door Repair

Choosing the right partner for your commercial door repair services is just as important as choosing the right automatic door manufacturer. We can help!

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Won-Door Maintenance & Inspections

Keep your commercial doors working efficiently with our automatic door maintenance agreements. Our door maintenance contract will help avoid costly repairs.

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Door Maintenance Contracts

Keep your commercial doors working efficiently with our automatic door maintenance agreements. Our door maintenance contracts will help avoid costly repairs.

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Fire Door Inspections

We make sure your Fire Doors are keeping your employees and customers safe. Fire door inspections are the first step toward fire door compliance. Find out more!

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Manual Door Service & Installation

We help our clients reduce down-time and cost with fast service by the most experienced technicians. As an authorized distributor of various brands, we work with various types of manual doors.

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Testimonials

Service technician was polite, explained the problem and the repair process.

Chuck Fitzgerald

My automatic sliding door was installed today. Thank you for sending the guys that came to install it. They did an excellent job and they were great professionals. Everything went seamlessly including working with the electrician. Much appreciated!!

Our automatic door was not working and they were out the next day after I called. It was diagnosed and fixed that day. Very pleased with service.

R Hunsberger

Service areas

DE
  • Bear, DE }
  • Bridgeville, DE }
  • Camden, DE }
  • Dover, DE }
  • Laurel, DE }
  • Milford, DE }
  • New Castle, DE }
  • Newark, DE }
  • Seaford, DE }
  • Smyrna, DE }
  • Townsend, DE }
  • Wilmington, DE }

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