In-situ meaning your design is formed and poured on site. If you have something creative in mind then get in touch. Stairs have many different designs due to access, height, shape & length, there are a lot of options Floating Stairs typically cost somewhere between $5,000 and $30,000. This range is so extreme because the factors surrounding floating steps are highly customizable and there are many finish options. WE have the right person for this job.