According to our records, this business is located at 12620 W Butler Dr. in El Mirage (in Maricopa County), Arizona 85335, the location GPS coordinates are: 33.5582914 (latitude), -112.3290789 (longitude). Master Block Inc is categorized under Siding Materials (SIC code 5211). Known organization president is Tom McMaster. Current estimates show that the unit has a sales volume of $9,000,000 and staff of approximately 40 people. You can contact the company by phone at (602) 538-3288.