The foundation materials are a pier, and the tower is constructed of yellow brick, with buff markings.

In 1985 the lens was replaced by a 12-volt solar-powered Tideland Signal 300 mm acrylic optic,[9] which eliminated the need to maintain the submarine cable.

[4][10] In 1990, volunteers from the Port Austin Reef Light Association engaged in an "heroic effort" to oust a colony of seagulls that had taken over the building, and then screened and reroofed it.

[11] Decking has been covered with galvanized metal shingles, and painted in the bright red that is historically accurate.

[17] In June 2011, the General Services Administration made the Port Austin Light (along with 11 others) available at no cost to public organizations willing to preserve them.