Flagpole Installation ?? Eagle Mountain Flag & Flagpole has partnered with GigSmart to offer telescoping flagpole installations. Installation cost ranges from $105.00 to $145.00 depending on installation location. Once you have selected your pole height below, you can add installation during the configurator process. Click "Yes Include Installation" and then "Add to Quote". Once you complete the quote request form, we will respond with a formal quote verifying the installation service is available at your location as well as the total material and installed cost.