The church has the following dimensions: 60 yards long by 14 wide, of entablature and tile: Doric and Tuscan order.
Its construction began in 1736 and concluded on June 11, 1743, due to the zeal and efficiency of the priest Francisco Javier Estrada.
In the center of the round of the choir it reads: “this building of Metapán was finished in June of 1743,” in blue blurred letters.
There is also an image of “El Señor Angue”, a sculpture of Crucified Christ that dates back to the 17th century.
British researcher John Baily described the iron as being of "high character...and is found to be superior to that generally imported for making axes and other heavy cutting instruments in common use.