How to Paint or Stain a Bathroom Vanity

Painting or staining a bathroom vanity is one of the fastest ways to transform a tired bathroom without ripping out cabinets or spending thousands. A worn vanity that looked dated last month can look intentional and fresh by Sunday afternoon. The key is treating this like a real furniture refinishing job, not a quick paint-over—which means prep work that feels tedious but actually determines whether your finish lasts five years or five months. Bathroom vanities take moisture and daily contact, so the wrong approach leads to peeling, bubbling, and regret. Done right, you're not just slapping color on plywood; you're sealing, protecting, and creating a finish that holds up.

1. Photograph and Pull Hardware. Take off the cabinet handles, drawer pulls, and any decorative knobs. Use a screwdriver or drill to unscrew each piece, and place them in a container so you don't lose them. Wipe down the vanity with a dry cloth to remove dust and debris from the areas where hardware was mounted. If the vanity is built-in and you can't remove it, that's fine—just work around the hardware, taping it off if necessary.
2. Clear and Protect the Zone. Remove everything from inside the vanity—bottles, towels, cleaning supplies. This gives you full access to all surfaces and prevents dust and paint particles from settling on stored items. If the vanity has a countertop or undermount sink, tape around the edges with painter's tape to protect them from sanding dust and overspray. Move other bathroom items out of the space so you have a clear, dust-free zone to work in.
3. Dull the Glossy Surface. Start with 120-grit sandpaper and sand all visible surfaces—the front face frame, drawer fronts, sides, and top edges. Sand in the direction of the wood grain when possible. The goal isn't to strip the finish down to bare wood; it's to dull the surface so primer and paint have something to grip. After initial sanding, move to 150-grit sandpaper for a finer finish. Pay special attention to any glossy factory finish—this slick surface is why paint fails on vanities. Sand until the surface feels uniformly dull and slightly rough to the touch. Wipe away all dust with a tack cloth or slightly damp rag, then let dry completely.
4. Smooth Every Imperfection. If there are any gouges, dents, or screw holes from previous hardware, fill them with paintable wood filler. Apply filler with a putty knife, pressing it into the gap and smoothing level with the surrounding surface. Let it dry according to product instructions (usually 30 minutes to 2 hours), then sand smooth with 150-grit paper. Wipe clean with a tack cloth. This step prevents small imperfections from telegraphing through your final finish.
5. Lock in the Foundation. Choose a bonding primer or bathroom-specific primer designed to adhere to glossy surfaces and resist moisture. Stir thoroughly. Using a brush or roller, apply a thin, even coat of primer to all visible surfaces of the vanity. Don't oversaturate; thin coats dry faster and level better than thick ones. Pay extra attention to edges and where pieces join, as these areas are prone to chipping. Let primer dry completely according to the can—usually 1–4 hours depending on humidity. If the surface feels tacky after the stated drying time, wait longer. In a humid bathroom, air circulation matters; open a window or run an exhaust fan.
6. Scuff for Perfect Adhesion. Once primer is fully dry, use 220-grit sandpaper to lightly sand the entire surface. This removes any dust particles that settled during drying and scuffs the primer slightly so paint adheres better. Sand gently—you're not trying to remove primer, just smooth it. Wipe clean with a tack cloth and let dry before moving to paint.
7. Apply Color with Precision. For paint: Use semi-gloss or high-gloss bathroom paint, which resists moisture and is easy to wipe clean. Stir the paint thoroughly. Apply the first coat with a brush or foam roller in thin, even strokes, working from top to bottom. Avoid overloading the brush; multiple thin coats look better than one thick coat. Let the first coat dry completely (1–4 hours depending on paint and humidity). Sand lightly with 220-grit paper, wipe clean, then apply a second coat. A third coat is often necessary for even color and durability. For stain: Apply wood stain with a brush or cloth, working in the direction of the grain. Wipe off excess after 5–15 minutes (depending on the stain brand) with a clean cloth. Let dry 4–8 hours, then apply a second coat if deeper color is desired.
8. Seal Against Moisture Damage. If you chose to stain rather than paint, seal the stain with a water-based polyurethane or bathroom-grade varnish designed to resist moisture. This is non-negotiable in a bathroom, where humidity and splashes will damage exposed stain. Apply topcoat with a brush or applicator pad, working in thin, even coats. Let dry according to product instructions (typically 2–4 hours between coats). Apply at least two coats of topcoat, and three for high-traffic vanities. The topcoat is what protects your stain from moisture damage and makes it wipeable.
9. Build True, Even Color. Inspect the second coat. If coverage is even and color is true, you may be done. If coverage is patchy or color seems thin, lightly sand with 220-grit paper and apply a third coat. Bathroom paint often needs three coats for true, even color, especially over primer. Sand between coats, wipe clean, and maintain thin, even application. Let the final coat dry completely—this takes 24 hours in a humid bathroom. Resist the urge to use the vanity until paint is fully cured; full cure takes up to a week depending on humidity and paint type.
10. Restore Your Hardware. After paint has dried completely (at least 24 hours, better if 48), reinstall handles, pulls, and knobs in their original locations. If screw holes filled with filler, carefully pilot new holes through the paint. Use a drill bit sized slightly smaller than the screws to avoid cracking paint at the holes. Screw hardware in firmly but don't overtighten, which can crack the vanity around the hole. Step back and check that all hardware sits flush and level.
11. Reveal the Finish Line. Carefully remove painter's tape from edges, countertops, and the sink area by pulling at a 45-degree angle—this prevents tearing fresh paint. Remove tape while paint is still slightly tacky (a few hours after the final coat), not after it's completely hard, which can pull finish with it. Inspect all surfaces for drips, runs, or missed spots. Small imperfections can be lightly sanded and touched up with a brush, but wait 24 hours before doing so. Wipe the entire vanity with a soft, dry cloth to remove any dust or tape residue.
12. Wait for Complete Hardness. Give the vanity a full week of light use before storing items inside drawers or placing heavy bathroom products on the surface. Don't wet the vanity, splash water on it, or expose it to steam from the shower for at least 48 hours. Full cure can take a week or more in humid bathrooms. After curing, the vanity is durable and wipeable—you can clean it with a slightly damp cloth and mild soap. Avoid harsh scrubbing or abrasive cleaners, which will dull the finish over time.