Constructed in 1891, this packing shed is one of the oldest farm buildings on Sahuaro Ranch and was designed by James M. Creighton, a prominent architect in territorial Arizona. Although its exact use is not known, it was presumably where the ranch's figs, grapes, apricots, and peaches were prepared for shipping. In 1895 the first Thompson grapes were planted at Sahuaro Ranch, and the ranch soon had 130 acres of this variety, preferred for drying as raisins. At first the grapes were shipped fresh to California, but in 1899 William Bartlett began drying his own raisins and selling them under the name Phoenix Raisin Seeding and Packing Co. As citrus and cattle became the ranch's most important products, the building was no longer used to pack fruit for shipping, and by the 1930s it was being used to store grain and other agricultural supplies. The veranda, or covered porch, is a reconstruction of the original porch from the 1890s, but the rest of the building's exterior is original, while the interior, remodeled more than once, originally had a dirt floor and received a concrete floor in the early 1950s.