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.
Find Out MoreWith 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 60 years of product knowledge, we are confident that we will exceed your expectations. Proudly serving Delaware since 1987.
116 Sleepy Hollow Dr.
Suite B
Middletown, DE
19709
Monday: 8:00 AM – 5:00 PM
Tuesday: 8:00 AM – 5:00 PM
Wednesday: 8:00 AM – 5:00 PM
Thursday: 8:00 AM – 5:00 PM
Friday: 8:00 AM – 5:00 PM
Saturday: Closed
Sunday: Closed
Services available for Middletown, DE
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.
Find Out More
Automatic Door Maintenance
Del-Mar Door Service not only sells and installs top quality doors, drive-thru windows and accessories, we also provide support and maintenance on all your automatic doors.
Find Out More
Commercial Door Service
Del-Mar Door Service installs, maintains, and repairs commercial automatic doors, keeping your building safe, secure, and operational 24/7 with certified technicians.
Find Out More
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!
Find Out More
Won-Door Maintenance & Inspections
Trust our factory-authorized technicians for Won-Door maintenance and inspections, keeping your fire doors NFPA 80 compliant and fully operational year-round.
Find Out More
Door Maintenance Contracts
Keep your commercial doors working efficiently with our automatic door maintenance agreements. Our door maintenance contracts will help avoid costly repairs.
Find Out More
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!
Find Out More
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.
Find Out MoreWhat Our Clients Say
Your guys do a great job when working at my facility and they go above and beyond to fix many issues here great attitude and service excellence great to work with your team is number 1 in my book look forward to working with the company for years to come.
Customer Review
Serving The Middletown Community
Middletown sits in southern New Castle County, about 24 miles south of Wilmington, and has grown quickly over the past two decades. Its historic downtown runs along Main Street, which is also Route 299, and the Route 301 toll road runs just west and north of town. Stores, offices, medical practices, and warehouses across this growing area need doors that work every day. Del-Mar Door Service serves Middletown from 116 Sleepy Hollow Drive, Suite B, and we also serve Newark, Wilmington, Dover, Smyrna, and communities throughout Delaware.
Commercial Door Installation For Middletown Businesses
Middletown keeps growing, and new and renovated buildings need new doors. If you’re outfitting a building or replacing doors that have reached the end of their life, sales and installation are available at our Middletown location. Our certified AAADM technicians work from over 60 years of product knowledge.
Reliable Automatic Door Repair In Middletown
Del-Mar Door Service services and repairs all makes and models of automatic doors from all manufacturers. If a door fails after hours, 24/7 service is available, with certified technicians ready for emergency repair at your Middletown building.
Frequently Asked Questions
We combine local, technician-led service with over 60 years of national expertise. Our technicians are AAADM-certified, continuously trained, and equipped with the parts needed to resolve most problems immediately. Backed by Door Services Corporation and Horton Automatics—the inventor of the sliding door—we deliver fast, professional service that Indiana businesses can depend on.
We work with schools, retailers, healthcare offices, government buildings, and more across .
Absolutely. Unlike some of our competition who outsource their work, all of our Technicians are factory trained and direct employees.
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 }
More Locations
Sales and installation are available at this location
Service is available at this location