Can you replace an undermount kitchen sink without replacing the countertop?

Author: Bertram Lesch  |  Last update: Friday, December 12, 2025

Yes! It is possible to replace a kitchen sink without replacing your current countertops. Depending on the style of your kitchen and your countertop material, some replacements may be more difficult than others and it can require some additional work.

Can you replace an undermount sink without replacing countertops?

You can install an undermount kitchen sink without removing the countertop by carefully measuring and planning, preparing the sink with mounting hardware, and applying adhesive or caulk to secure it in the countertop cutout.

How to replace a sink without removing the countertop?

Steps to Replace a Kitchen Sink Without Replacing the Countertop
  1. Measure the Existing Sink. ...
  2. Turn Off the Water Supply. ...
  3. Remove the Existing Sink. ...
  4. Prepare the Countertop for Installation. ...
  5. Install the New Sink. ...
  6. Reconnect Plumbing and Test for Leaks.

Can you replace an existing undermount sink?

Yes the sink can be replaced. It is usually just siliconed underneath with wedges that hold it in place to create a water tight seal. Not sure what type of sink you have be it stainless steel or ceramic under mount but both can be replaced. Kitchen or basin bathroom.

What are the disadvantages of an undermount sink?

Here are a few cons of undermount sinks:
  • They Require More Support. Sinks are heavy. ...
  • Undermount Sinks Take Up Space. Although these sinks do not take up space above the counter, they do sit lower than drop-in sinks. ...
  • They Are More Difficult to Replace.

Quick Tip Tuesday: Changing From a Drop-in to an Undermount Kitchen Sink

How long do undermount sinks last?

An undermount sink should last for a decade or two, but the sink may need maintenance every few years to prevent bacteria buildup. You should replace the caulk between the gap of the sink and the countertop every three to five years to keep it fresh and clean.

Is it better to have a sink over or under countertops?

By far, undermount sinks are the preferred type of sinks among homeowners. Undermount sinks are simply more practical, functional and aesthetically pleasing than overmount sinks. With undermount sinks, it is really easy to wipe food crumbs from the countertops into the kitchen sink.

How much does it cost to replace an undermount kitchen sink?

Undermount Sink Cost

An undermount sink costs an average of $250 to $1,500.

Can you put a new undermount sink in a granite countertop?

Installing an undermount sink to granite countertops is a rewarding DIY project that enhances both the functionality and aesthetics of your kitchen or bathroom. By following this step-by-step guide and maintaining your investment, you can enjoy the elegance and precision of granite countertops for years to come.

What can I use instead of an undermount sink?

A drop-in sink (also known as top mount or self rimming) has a finished edge or rim and is installed or mounted on top of the countertop. Ideal for replacement, drop-in sinks can be removed and installed without damaging countertops and are a great option for the DYI-er weekend project.

What holds an undermount sink in place?

Use a caulk gun to apply a thick bead of caulk around the edge of the countertop. Raise the sink so it presses against the underside of the countertop and forms a watertight seal. Add boards and shims as needed to ensure the sink stays in place. Use the sink clips to attach the sink to the counter.

Who to call to fix an undermount sink?

If you're not sure how to go about undermount sink repair, call in a countertop specialist or a plumber to handle the task. What is the best adhesive for an undermount sink to granite?

Is it difficult to replace a kitchen sink?

Replacing a kitchen sink is straightforward, but also a time-consuming task. There are sinks of all shapes, sizes and materials, some of which are trickier to work with than others.

Can you install undermount sink after countertop installed?

It's very important to install an undermount kitchen sink before the countertop slabs are set down. Once the countertop slabs are set down, you usually will not be able to fit the sink through the hole, and you won't be able to properly seal between the sink and the underside of the countertop.

What is the cheapest countertop for an undermount sink?

Laminate countertops are a budget-friendly option for undermount sinks. Laminate countertops are easy to clean and maintain, but they can be scratched or damaged by heat.

Can you replace an undermount sink without removing the countertop?

Yes! It is possible to replace a kitchen sink without replacing your current countertops. Depending on the style of your kitchen and your countertop material, some replacements may be more difficult than others and it can require some additional work.

Can a granite countertop be recut for a new sink?

Perhaps you're installing a new sink, upgrading your cooktop, or simply want to alter the shape or size of your existing countertop. This leads to a crucial question: can granite countertops be recut? The answer is a resounding yes!

Are undermount sinks easy to replace?

Removing and installing an undermount sink is a two-person job. Make sure you have a helper to assist with the heavy lifting and hold the sink in place. If you plan to replace the faucet, now is a good time to do that while you have access under the sink.

Who would replace an undermount sink?

Although it is a fairly easy project, hiring a plumber is well worth it when it comes to installing a new kitchen sink. The simple fact that they will replace piping, check the faucet and drain systems and can do the work in a matter of hours rather than days and it is worth the additional cost you will pay.

How much does a plumber charge to change a kitchen sink?

£45 - £240

There are many types of basins, and this will vary depending on where you will have them installed. Whether you're upgrading your kitchen sink or bathroom basin, it will still be best to leave it to the professional rather than turning it into a DIY project. The average cost of sink installation is £170.

How long does it take to replace an undermount sink?

Installing an undermount sink in your bathroom can take 30 minutes or less with the correct tools and materials at hand.

Which is better, a drop-in sink or an undermount sink?

Whether you should get an undermount sink or drop-in sink depends on a variety of factors. While drop-in sinks are easier to install and can be installed with any type of countertop, undermount sinks have a sleek appearance and make your kitchen easier to clean.

How much weight can an undermount kitchen sink hold?

This depends on the sink material, mounting system, and countertop. Most properly installed undermount sinks can support 300-500 pounds, but it's best to avoid excessive weight.

What do you call a sink that sits under the counter?

An undermount sink is a type of sink that is installed beneath the countertop. The rim of the sink or lip protrudes above the surface. It is typically mounted from underneath, creating a seamless and sleek look.

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