It can cost anywhere from a few hundred dollars to a few thousand dollars, depending on the materials used and the complexity of the job. If you're looking for a basic runner and wooden handrail, it will likely cost in the ballpark of $500-600. If you want something more elaborate, such as marble or glass railings, it could easily run into the thousands. always hire a contractor if you're not confident doing the work yourself, as an incorrectly installed staircase can be extremely dangerous.

It can cost a lot to redo a staircase, depending on the materials you choose and the scope of the project. For example, if you decide to replace all the stairs and railings with new ones, it will be more expensive than if you just refinish the existing stairs and railings. Some contractors may give you a flat rate for the entire project, while others may charge by the hour. You should also factor in any permits that may be required, as well as any other associated costs like wallpaper removal, painting, or new carpet installation.