John L. duFief, Inc., is a small family-owned construction company established in Potomac in 1958. Its major focus of work is new homes and additions.

The fundamental philosophy of the company is to build a better structure by applying the following basic principles.

• Harmonious architecture
• Sound structural engineering
• Quality materials
• Superior workmanship
• Close supervision
• Attention to detail

John duFief and his father are carpenters by trade and are well-versed in residential home building. Together, their practical experience enables them to demand quality workmanship in all the related trades of home construction. A small company has the luxury of being able to closely monitor the materials used, the labor costs and labor efficiency, in order to exercise complete quality control. These advantages allow the company to be competitive with other custom builders while making sure your new home is everything you dreamed.