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Coupons for this service

  • $20 OFF Service Special! Any Service Call Over $100 (Residential Only)

    Coupons may not be combined with any other offer. Not valid with any other coupon. Not valid with any other offer. With Valpak® coupon only. Must present coupon at time of order. Coupon void if altered. Expires Sat Dec 30 23:59:59 EST 2017.

  • Weatherization Special! Only $149 Per Single Car Door Only $195 Per Double Car Door.

    Includes Replacement of Bottom, Jamb & Header Weather Seals + 25 point Inspection-Correction Coupons may not be combined with any other offer. Not valid with any other coupon. With Valpak® coupon only. Must present coupon at time of order. Coupon void if altered. Expires Sat Dec 30 23:59:59 EST 2017.

  • $950 Garage Door Installed! Hormann 3200 Garage Door. Head Room 8' x 7'

    Coupons may not be combined with any other offer. Not valid with any other coupon. With Valpak® coupon only. Must present coupon at time of order. Coupon void if altered. Expires Sat Dec 30 23:59:59 EST 2017.

Welcome to Diamond State Door!

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.

We at Diamond State Door company believe everyone deserves a door that shines!

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24/7 Emergency Services Available!

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Services Offered Repair services, Spring repair on site, Replacement springs, Welding services, Complete lock-smithing service for replacement keys & cylinders, 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.
Diamond State Door

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