REDUCED! 801 E Fir Avenue, McAllen, Texas 78501 REDUCED!801 E Fir Avenue Street, McAllen, TX 78501. 5,200 square foot building with 10 offices, 1 LOADING DOCK & 2 warehouses. The commercial building is located on Fir Avenue East of McColl Road in McAllen. Enter on McColl Road. This 5,200/sqft building features 3,280 sf of offices with a spacious reception area, a huge kitchen, and 2 warehouses; one is 1,200 sq ft and the other is 720 sqft. The comfortable 10 office building has showers in the His and Hers bathrooms. A 1/2 bath is in the back where there is a LOADING DOCK. The two separate but connecting warehouse areas are next to the dock. Total building is 5,200 square feet.$449,000 MLS:#302920 Call Sandra for a tour!