List of McCoy's Building Supply Stores in Harlingen, TX Outlet Note Regular Brands McCoy's Building Supply Texas Harlingen Rating 4.7 based on 83 votes Official Website https://www.mccoys.com/ Products Tools Hardware Building Materials Painting NameAddressPhone Name/Address/Phone McCoy's Building Supply outlet - Harlingen 3501 W Expressway 83 (956) 428-2393 McCoy's Building Supply outlet - Harlingen 3601 W Expressway 83 (956) 428-4901 People Also Viewed