Skip disability assistance statement.

Welcome to our website! As we have the ability to list over one million items on our website (our selection changes all of the time), it is not feasible for a company our size to record and playback the descriptions on every item on our website. However, if you have a disability we are here to help you. Please call our disability services phone line at 602.753.7466 during regular business hours and one of our kind and friendly personal shoppers will help you navigate through our website, help conduct advanced searches, help you choose the item you are looking for with the specifications you are seeking, read you the specifications of any item and consult with you about the products themselves. There is no charge for the help of this personal shopper for anyone with a disability. Finally, your personal shopper will explain our Privacy Policy and Terms of Service, and help you place an order if you so desire.


Steve Gilbert
President & Owner
I started in the plumbing industry with my dad when I was 12 and I have continued to grow and learn the industry since then. I have been happily married for almost 35 years and am a devoted father to 3 adult children and their growing families.
Sandra Dean
Treasurer & Owner


In 1965, our father started his own successful plumbing business in Missoula, Montana. Needing a change of scenery four years later, he moved us to Mesa and once again created a successful career in plumbing contracting where we both continued to work in all aspect of the business.

Following in our father’s footsteps, in 2012 we founded Graystone Plumbing LLC . Having over 30 years’ experience in the industry we may not have seen it all but we have seen A LOT! We are continuing to build and expand the long term trusted relationships we have developed over the 30 years in the plumbing industry and strive to give our customers the best service possible.


While the variety of plumbing components can range from utilitarian to a dynamic design statement; the expectation is that it is always supposed to perform as expected. At GSP, we inform and recommend only products that we believe will satisfy the mission they are designed to serve, with the aim of providing long term satisfaction. We think with the mind of our customer, anticipating their needs and maintaining a high level of communication throughout the process.


Exceed Expectations
Our goal is to “wow” you with our work.
Treat Every Client like our Only Client
Whether we have 5 customers or 50, we never want you to feel that we have more than just you.
Do the Right Thing
Always keeping this in mind helps us make the best suggestions and decisions for you.


GSP specializes in new custom home builds as well as remodels and light commercial plumbing.