Designer Undermount Sinks
         -for Stone Countertops
Phone: 800.511.9581
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Designer Sinks for Beautiful Kitchens
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Single Bowl Undermount Sinks Double Bowl Undermount Sinks Matching Faucets Zero Radius Undermount Sinks Matching Accessories Matching Custom Cutting Boards Triple Bowl Undermount Sinks

All of Sienna Undermount Sinks, Faucets
and Accessories are designed to match.

Our stainless steel products are perfect for high end countertops such as granite, marble, quartz, or concrete in any style or decor.

With brushed satin finishes on 18 gauge 304 Series stainless steel, our undermount stainless steel sinks are beautiful and elegant, and will withstand the test of time.

Made To Last a Lifetime |
All Sienna Sinks and Faucets are backed by a lifetime warranty.

Get everything you need including sink, faucet, and accessories by building a custom value pack.

Every accessory you add to the value pack lowers the price of your sink!

All of our products use heavy duty certified
304 series 18/10 CrNi (Chromium Nickel) stainless steel.

304 series stainless steel, commonly referred to
as surgical grade stainless steel, is designed to never rust.

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| NEW Soft Radius Undermount Sinks
The same as our popular Zero Radius sinks, but with slightly rounded edges for easier cleaning!

Getting New Countertops? is the #1 online place for stainless steel undermount sinks and matching faucets and accessories. We've been in the solid surface countertop industry for over a decade we have plenty of experience to help you through your kitchen construction.

Preparing for your stone countertop and undermount sink installation

Too often a new countertop and undermount sink installation is delayed for a reason that could have been avoided. Here are a few things for you to consider before your installation appointment with your stone countertop fabricator... read more

What exactly is an undermount sink?

Undermount sinks have grown in popularity over the last five years for a few reasons. But many people order an undermount sink not really knowing what it is, or how it's different from a conventional sink. If this type of sink is somewhat new to you... read more

What holds my undermount sink in place?

Hands down, this is the most common question people have when shopping for an undermount sink. There are four common ways these sinks are mounted underneath solid surface countertops, and here we briefly describe these methods and thier pros and cons... read more

Why should you choose stainless steel for your undermount sink?

Many people ask us what material they should choose when selecting an undermount sink. There are a few different types of undermount sinks to choose from, and it is probably obvious that we prefer stainless steel for a number of reasons. Stainless steel sinks have been accepted widely as the sink of choice for kitchen remodels. For years the cast iron sink was the number one... read more

Another Happy Sienna Sinks Customer:
"I can not tell you how much I appreciate not only your companies outstanding and beautiful quality sinks, but the customer service is the best. Thank you Sienna Sinks. My friends are all going to hear about you guys!!! "
- Sandra D., CA

more testimonials

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Expanded Categories: Bar Undermount Sinks : Veggie Undermount Sinks : Double Bowl Undermount Sinks : Single Bowl Undermount Sinks
Zero Radius Sinks : Double Bowl Zero Radius Sinks : Single Bowl Zero Radius Sinks : Undermount Kitchen Sinks

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Why is is the top provider of stainless steel undermount sinks.

At we are proud to offer top quality designer undermount sinks at wholesale prices. Our sinks are a perfect addition to any high end stone countertop, such as granite, marble, quartz, or concrete in any decor or style of home.

We offer over 25 different styles and sizes of undermount sinks to fit whatever your application requires. Whether you need a single bowl, double bowl, or triple bowl sink, you will find it here.

With brushed satin finishes on 18 and 16 gauge steel, our stainless steel sinks are beautiful and elegant, and are made to withstand the test of time. We use only 304 series certified stainless steel in all of our undermount sinks. Your countertops will last a lifetime, and so should your sink.

For a uniform look to accentuate your kitchen, we also offer matching designer faucets and undermount sink accessories. Our custom value pack builder lets you add matching items to the sink of your choice, and every item you add to the value pack brings additional discounts to your sink, and the accessory as well.

Why waste your money on an expensive department store undermount sink that costs twice the price? Our efficiency in marketing, business, and logistics gives us the ability to offer you high end products at low prices - and ship them to your door for free! makes ordering quick, easy, and secure. And if you have any questions, feel free to call us. Our staff has decades of experience in the solid surface countertop industry and we would love to answer any questions you might have about your project and installation.