How to Remove Bathroom Vanity | Step-by-Step Removal

For the full breakdown, see our best 24 Inch Bathroom Vanity With Sink And Drawers guide.

Pulling out an old bathroom vanity sounds like a job for a contractor, but the process is straightforward when you follow the right order. The biggest mistakes come from skipping one step — usually the water shutoff or the caulk cut — and then fighting a cabinet that refuses to budge. Before you book a dumpster or shop for a replacement, here’s the full sequence that gets the old unit out cleanly.

Shut Off the Water and Disconnect the Plumbing

Start at the shutoff valves. Most vanities have hot and cold angle-stop valves mounted on the wall beneath the sink. Turn both clockwise until they stop, then open the faucet to relieve pressure and drain any water left in the lines.

If your home has no shutoff valves under the sink, shut off the main water supply for the whole house before touching anything.

Place a bucket and towels under the P-trap. Use an adjustable wrench to loosen the supply line nuts where they connect to the shutoff valves, then pull the lines free. Next, loosen the slip nuts on the P-trap — the curved drain pipe under the sink — and remove it. That trap holds water, so expect a spill. Removing it keeps sewer gas from escaping while the drain stays open.

Once the plumbing is disconnected, plug the open drain pipe with a rag to block sewer gas and stop debris from falling in.

Cut the Caulk and Seal Before You Pry

Run a sharp utility knife along every seam where the vanity meets the wall. That means the countertop-to-wall line, the backsplash-to-wall joint, and the cabinet-to-wall edge.

Slide the blade fully into each joint and work it along the whole length. Re-score any spot that feels like it’s still bonded. This single step saves more frustration than any other.

Find and Remove All Mounting Screws

Open the cabinet doors and look inside at the top rail — the horizontal board where the cabinet meets the countertop. Most vanities are screwed into the wall studs or framing from the inside. Remove every screw you can see, along with any clips or brackets holding the countertop to the wall.

Lift the Vanity Out and Assess the Space

Now you can pull. Grab the cabinet at its base and lift straight up and out. Rock it gently side to side if it sticks, but never yank hard — hidden fasteners, adhesive, or a bonded top can still be holding it, and force will tear the drywall or gouge the floor.

Common Mistakes That Turn This Job Into a Repair

Two failures cause most of the damage on this project: