The cornerstone for its sandstone church building, designed in the Romanesque Revival style, was laid in 1909.

[3] Cardinal Francis Spellman came to the cathedral in 1948 to install William McCarty, C.Ss.R as the new bishop of the diocese.

[1] In time Immaculate Conception became a chapel and has housed a community where Mass is celebrated in Latin since 1992.

The church building follows basically a rectangular plan with a cross-gabled section in the center of the structure.

A square central tower capped with a pyramid-shaped spire covered with terneplate is located on the main facade.