General Info

We at Diamond State Door company believe everyone deserves a door that shines. With over ten years experience with garage doors in Delaware area, we are dedicated to getting our customers the value for their money. Offering the best warranties in the industry plus our unsurpassed service team will dedicate themselves to you immediate needs. With Diamond State Door you are our priority, not just a number. Our sales team will assist you with all of your needs from hardware to style and insulation desires. Our competitive pricing is hard to beat plus we are guaranteed to match any written quote for any competitor. Repair services spring repair on site replacement springs welding services gear kits for operators & complete rebuilds of most operators commercial and residential services available complete automation of garage doors key pads, receivers, loop detectors, remote monitoring installs of the tricky operators and doors hardware safety checks: springs rollers panels hinges bearings & pulleys hollow Metal Doors & repairs storefront doors automated Doors Swinging & sliding custom Automated locks closers full Service Hinge Replacement 10% Discounts for seniors, law enforcement, state employees