How to Install a Wooden Medicine Cabinet | Mount It Right

The difference between a cabinet that stays solid for years and one that pulls loose after a month comes down to picking the right mount before you pick up a drill. Surface-mount cabinets attach directly to studs through the wallboard, while recessed cabinets sit inside a framed opening for a flush, built-in look. Each has its own prep steps, fastener rules, and potential headaches. Here is exactly how to handle both.

Surface-Mount vs. Recessed: Which Fit Your Wall?

A surface-mount wooden medicine cabinet works in any bathroom where you can reach a stud and keep the cabinet’s depth sticking out from the wall. A recessed or inset cabinet needs a wall cavity deep enough to hold the full cabinet box — typically at least 3.5 inches — and clear of any wiring, plumbing, or ductwork. If the wall lacks that depth or hides obstructions, stick with surface-mount.

Installing a Surface-Mount Wooden Medicine Cabinet

This method is straightforward because you work entirely outside the wall, and the cabinet hangs on brackets or screws driven into solid framing.

1. Locate the studs with a stud finder and mark their centers across the mounting area. Most wooden cabinets measure 16 to 24 inches wide, so at least one stud should fall behind the bracket positions.
2. Measure and level the desired height. For general comfort, about 60 inches from the finished floor to the center of the mirror is a common target — adjust for the height of the people using it.
3. Mark the screw or bracket locations against the studs. Hold the cabinet or its mounting plate in place, confirm level, and transfer the points.
4. Drill pilot holes to prevent splitting the wood, especially if the cabinet is solid wood rather than plywood.
5. Fasten into studs using the screws provided. If the mounting holes do not align with a stud, use wall anchors rated for the cabinet’s weight — but check that the manufacturer specifies screw-only mounting in a wood frame before substituting anchors.
6. Slide or hang the cabinet onto the brackets or screws, then reinstall the shelves and door. Remove the door before mounting to reduce weight and avoid bending the hinges; reattach it only after the cabinet is fully secured.

If you are still deciding on the right model, our roundup of the best wooden medicine cabinets covers dimensions, mounting hardware, and finish options so you can pick one that matches your wall layout.

Installing a Recessed Wooden Medicine Cabinet

The recessed route is more work but delivers a flush, built-in appearance. Proceed only after confirming the wall cavity has no electrical cables, pipes, or studs where the cabinet box needs to sit.

1. Confirm the cabinet dimensions and the required rough opening. For example, one common model needs a space at least 15.16 inches wide and 19.6 inches high for the box body alone.
2. Mark and cut the drywall opening slightly larger than the cabinet body so it slides in without forcing. Cut two 2×4 boards to match the opening’s top and bottom lengths and slide them horizontally into the cavity as blocking — these give the screws something solid to bite. The top of the box should protrude about 0.5 inches past the finished wall face.
3. Test-fit the cabinet in the opening. It should sit square and level without tilting. Adjust the blocking or shim as needed before driving any screws.
4. Secure the cabinet using the slotted head screws from the inner side panels. Drive them into the wood blocking only — never use nails, which can loosen over time. Tighten slowly and check level repeatedly; over-tightening distorts the cabinet frame or pulls it out of square.
5. Finish the surrounding wall with drywall compound or trim, then reinstall the shelves and door. If the hinge allows mounting on the right or left side, set it before final placement.

Common Mistakes That Ruin a Medicine Cabinet Install

Most failed installations share the same errors, and avoiding them keeps the cabinet solid and the drywall intact.

• Skipping the stud finder or wiring detector. Cutting into a wall without checking for electrical lines or plumbing can turn a 30-minute job into a repair bill. Always scan before cutting.
• Mounting out of level. A tilted cabinet makes the door drift open or close on its own. Use a level at every tightening stage, not just once at the start.
• Over-tightening screws. Snug is enough. Tightening until the screw head digs into the cabinet side can crack the wood or strip the hole.
• Reinstalling the door before the cabinet is secured. The extra weight makes handling awkward and increases the chance of denting or bending the hinges. Install everything else first, then hang the door last.
• Using the wrong fasteners or skipping blocking on a recessed install. Nails pull out under the weight of glass and toiletries; screws into wood blocking hold. If the cabinet instructions say “screws only for wood frame,” follow that exactly.

Take it slowly through the sequence — measure twice, cut once, level twice, tighten once — and the cabinet will earn its place in the wall.