Welcome to Stair Source USA, quality wholesale stair parts! We appreciate your interest and are certain you will find the quality & selection of our products to be only the best and the most up-to-date styles and designs.

As specialists in the home building industry, our team knows how important the staircase is to a home and the owners. With an on-staff Interior Designer, we follow the market trends and also help establish them with innovative ideas.

As one of the nation's largest stair supply companies, our pricing reflects the buying power that we pass along to our customers. Please shop around and compare, we have the best pricing on quality wholesale stair parts.

We specialize in custom wood stair parts, teamed up with iron balusters in a variety of wood species and custom color powder coated metal products. Wood species include oak, cherry, hickory, alder, maple and paint grade.

To get started, please see the anatomy of a stair page to inquire about the right products you will need for your staircase application.