How much is GenStone? Follow If you would like to get pricing information on GenStone you can call 1-800-660-0328 to speak with one of the team members. Related articles What accessories are available? What kind of doors and windows are available? What is GenStone? Can I order GenStone as part of my building package? Will General Steel refer me to a local erector or contractor? Comments 0 comments Please sign in to leave a comment.