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Hormann Door Picture

Welcome to Duncan Door
Services Inc.

Family Owned and Operated

Here at Duncan Door we are proud to have you as our customer. We work for you to provide the very best service you deserve. From the first phone call to the installation of any one of our high quality doors or openers, you will know that here at Duncan Door, you will be given only the best.

As a family owned and operated business, we know what it means to have the highest quality products offered along with superior service. When you call there is no operator that transfers you here or there. At Duncan Door, the phone will be answered by Joanne or Ed Duncan. Together, with over 30 years experience in the door business, rest assured that all of your questions will be answered and all your needs met.

Here at Duncan Door, we pride ourselves on outstanding customer service. We will never rush thru a job or rush our customers on the phone. We want every customer to know how important you are to us. We are always happy to help you solve a door problem over the phone when possible, or if a service call to your home is needed, we will make every effort to correct the issue as soon as possible. The happiness of our customers is our #1 concern.

Our Customers Always Come First

We feel the Quality of the products we sell, the Quality of customer service we provide and the Quality of the work we perform, are what have helped establish our company today.

Duncan Door is your Authorized Dealer for:

Hörmann-Garage Doors and Operators
Lift Master Operators
Carriage House-Garage Doors
Door Link Garage Doors
French Porte Garage Doors
Wayne Dalton Garage Doors


Click for the BBB Business Review of this TBD in Saint Charles MO

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