How to Paint Wood Cabinets in Bathroom? | Done Right

Paint wood bathroom cabinets properly by removing doors and hardware first, cleaning and degreasing, sanding, priming, and applying 2–3 durable finish coats.

Painting bathroom cabinets is one of the fastest, least expensive ways to transform the room, but only if the prep work is done right. Skipping the degreasing or sanding steps is the most common way DIYers end up with peeling paint a few months later. A thorough prep process takes about a day before any paint goes on, and it’s what separates a professional-looking finish from a disappointing one.

What Preparation Is Required Before Painting Cabinets?

Begin by removing the doors, drawers, false fronts, and all hardware from the cabinet boxes. Label each part as you remove it, so reassembly is straightforward. Cabinet doors and drawers should be painted separately whenever possible—this gives you better access to edges and prevents drips.

Thoroughly clean all surfaces with water and a degreasing dish soap. Bathroom cabinets collect soap residue, hairspray, and lotion that can prevent paint from adhering, so rinse the surfaces twice and let them dry completely before moving on to sanding.

Sand the existing finish to give the primer a surface it can grip. Start with 150-grit sandpaper on finished cabinets, then do a light final pass with 220-grit, always sanding with the grain. Fill any holes or imperfections with wood filler, then mask off the surrounding walls, floors, and the underside of the vanity top.

Many DIYers make the mistake of skipping the sanding step entirely. If the existing finish is glossy or damaged, paint won’t bond to it properly, and the new finish will fail prematurely.

Which Primer and Paint Are Best for Bathroom Cabinets?

Use a bonding primer explicitly formulated for hard-to-adhere surfaces. Apply a primer sample to a small test area and let it dry, then check adhesion before priming the entire cabinet frame, drawers, and doors.

For the topcoat,

Brush or roll on the first coat, let it dry fully, then apply two additional coats for daily-use durability. Cabinet surfaces take more abuse than most interior walls, so that extra coat matters for long-term wear.

How Long Should Paint Dry Before Reassembly?

Once the final coat is applied, leave painted cabinets overnight to fully dry before any light handling.

Reattach the hardware only after the paint has fully cured.

Touching or reassembling cabinets before the paint has cured is one of the most common mistakes. A paint layer can feel dry to the touch while still being soft underneath, so follow the manufacturer’s labeled cure time rather than what the surface suggests. Leave the cabinets overnight before regular use.

What Are Common Mistakes to Avoid When Painting Bathroom Cabinets?

The failures almost always trace back to prep work. The most frequent errors include skipping the cleaning and degreasing step, failing to dry surfaces fully after washing, and skipping sanding on glossy surfaces. Other common mistakes are not testing primer adhesion, painting without removing doors, drawers, or hardware, reassembling before the paint cures, and failing to mask nearby walls, floors, or the vanity top.

The prep work takes longer than the painting itself, but it’s the step that determines whether your new finish survives the bathroom’s humidity. A smooth, properly cured cabinet finish can last for years before it needs refreshing.

When the project is finished, you might be considering a full vanity replacement. Those looking for a fresh start with durable, natural materials can compare top-rated all-wood bathroom cabinets that offer built-in moisture resistance and long-term durability.