Farmacia Serra is a building close to the plaza of Bayamón, Puerto Rico which was built in 1910. It was listed on the National Register of Historic Places in 1989.It was the first in a chain of Serra drugstores eventually opened by Luis Serra. He and his family lived upstairs.It was the site of tertulias, meetings "of the town's politicians and intellectuals to discuss the latest events and decide what action could be taken."It has "exhuberant ornamentation" in its "modernismo" or Romantic Ecclectic architecture.