Call us now ! Send us an email Watson Industrial Park Saint Louis United States

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Call Us Today!
(314) 963-9217


At Builders Stair Supply, you will not be left to fend for yourself like at the big box stores. We offer the largest selection of stair parts in the area. Not the "three" choices you have with the "other guys place", but an array of styles in every stair part line. For instance, our wrought iron baluster line has over 70 designs and our wood parts are available in virtually any wood species.

Our team of professionals will also guide you through the best possible options for your home. Whether you are building new or remodeling, BSSI can answer all of your questions. Code compliance issues, product knowledge, installation instruction, and high quality standards are all cornerstones of our business.

Builders Stair Supply has a rich history of serving the professional stair builder and custom home builder in the Greater St. Louis Region for over 30 years and when we say-

"Stair parts designed with the stair builder in mind"

It is not just a saying but a way of life. Our company is dedicated to offering you the highest quality stair parts available with **fittings that fit**.

Home owner, stair builder, or home builder, let Builders Stair Supply be the key to your success:

* Product Knowledge
* Installation Instruction
* Code Compliance Issues
* Only The Finest Quality Products
* Installation Available


We specialize in residential construction, remodeling and repair, so no matter what you’ve got planned for your home, you will be more than satisfied with the results. 

Contact Us

Call today for an estimate from our team of professionals. Whether you’re envisioning a grand project or modest improvements, we can help you realize your goals.

Business Associations

Stairway Manufacturers Association

Home Builders Association

Payment Options

Call Us Today At ♦ (314) 963-9217

Business Hours

Mon: 08:00 AM - 04:30 PM
Tue: 08:00 AM - 04:30 PM
Wed: 08:00 AM - 04:30 PM
Thu: 08:00 AM - 04:30 PM
Fri: 08:00 AM - 04:30 PM
Sat: Closed
Sun: Closed

YP Reviews

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  • Address

    9217 Watson Industrial Park
    Saint Louis, MO 63126

    In Business Since 1985