Mortenson has completed five projects for Westminster Presbyterian Church that included restoration and refurbishment of several areas of the church. The premier project was the historic renovation of the 105-year-old church’s sanctuary. The major renovation of the sanctuary focused on three main areas: restoration of elements found in the original sanctuary design, renovation of tired and worn elements, and desired improvements. These elements of the original, lost in earlier renovations, included enriched color throughout the sanctuary, decorative painting, new patterned carpet, and refinished woodwork and pews. Replastering of the walls and ceilings allowed for updating the lighting, sound, and electrical systems. In 1999 Westminster was entered on the National Register of Historic Places. The sanctuary restoration project was awarded AIA’s Heritage Preservation Award in 1998.