Texas: Central, South, and Gulf Coast » South Central Texas » Seguin to Floresville » Gonzales (Gonzales County) » Peck and Fly Building Peck and Fly Building Details 1891. 519 St. Joseph St. Sited on the west side of the courthouse square, this three-story brick building now serves as a Masonic lodge. It is notable for its upper floors where the windows feature elaborate cast-iron lintels. Writing Credits Author: Gerald Moorhead et al.