How to Paint a Bathroom

🧰 Tools & Materials

Tools

• Paint roller frame
• Roller covers
• 2–2½-inch angled paintbrush
• Paint tray
• Extension pole
• Putty knife
• Sanding sponge or fine-grit sandpaper
• Screwdriver
• Clean rags
• Step ladder

Materials

• Interior bathroom paint
• Primer, if needed
• Lightweight spackle
• Paintable caulk
• Painter’s tape
• Drop cloths
• Mild cleaner
• Stir sticks
• Paint tray liners

Signs It’s Time to Paint Your Bathroom

Your bathroom may be ready for fresh paint if:

• The walls look faded, stained, or dingy.
• Paint is beginning to peel around humid areas.
• Previous touch-ups are noticeable.
• The color makes the bathroom feel dated.
• Nail holes or previous repairs need to be covered.
• The walls have persistent scuffs or marks that won’t clean off.
• You’ve recently updated fixtures, flooring, or other finishes.

Peeling or bubbling paint can be a warning sign of excessive moisture. Don’t assume another coat of paint will solve it.

Before You Buy

Bathrooms regularly deal with steam and humidity, so paint selection matters more here than in many other rooms.

Look for a quality interior paint suitable for bathrooms or other high-moisture areas. Many are formulated to resist mildew growth on the paint film and tolerate frequent cleaning.

For the walls, satin is a practical choice because it’s washable and handles moisture well. Some modern bathroom-rated paints are also available in lower sheens.

For trim and doors, satin or semi-gloss is commonly used.

Primer may be needed over:

• Bare drywall
• Drywall repairs
• Water stains
• Previously repaired areas
• Very dark colors
• Difficult glossy surfaces

💡 Pro Tip: Don’t choose paint based on sheen alone. Check whether the actual product is recommended for bathrooms and high-humidity areas.

Before You Start

Remove as much as practical from the bathroom.

Take down:

• Towels
• Shower curtains
• Wall decorations
• Outlet and switch covers
• Easily removable shelves or accessories

Move toiletries and other small items completely out of the room.

Before opening the paint, complete the same basic cleaning, patching, and surface preparation covered in How to Prep Walls for Painting⁠.

Cover the vanity, toilet, tub, shower, and flooring as needed.

Bathrooms are tight spaces. Giving yourself room to move makes cutting in and rolling much easier.

Step 1: Inspect, Clean, and Repair the Walls

Look closely for peeling paint, nail holes, cracked caulk, stains, mildew, and signs of moisture.

Clean the walls thoroughly. Pay extra attention around the sink, toilet, shower, light switches, and other areas where residue can accumulate.

Allow everything to dry completely.

Fill nail holes and small dents with spackle. For larger damage, follow the full process for patching drywall before painting⁠. Once the repairs are dry, sand them smooth and remove the dust.

Replace failed paintable caulk where painted trim meets the wall if needed.

What You Should See: Clean, dry walls with smooth repairs and no loose or peeling paint.

If Yours Looks Different: If you find recurring mildew, damp drywall, bubbling paint, or water stains that continue returning, correct the moisture problem before painting.

💡 Pro Tip: Give the bathroom extra drying time after cleaning. Painting over a wall that still holds moisture can cause adhesion problems later.

Step 2: Protect Fixtures and Prime Where Needed

Cover the floor and protect the toilet, vanity, tub, shower, and other surfaces from splatter.

Use painter’s tape where it helps create clean edges.

Spot-prime repaired areas, bare drywall, and other surfaces that need it.

Use an appropriate stain-blocking primer over discoloration that could bleed through the finish paint.

A full primer coat may be useful if you’re making a dramatic color change or the existing surface is inconsistent.

Allow the primer to dry completely.

Problem: A yellow or brown stain keeps coming through the primer.

First make sure there isn’t an active leak. If the area is completely dry and the moisture problem has been repaired, use a primer specifically designed to block the type of stain you’re dealing with.

Step 3: Cut In Around the Bathroom

Stir the paint thoroughly.

Use an angled brush to cut in around:

• Ceiling edges
• Inside corners
• Door trim
• Window trim
• Vanity edges
• Tub or shower surrounds
• Outlets and switches

Bathrooms often have more obstacles than an ordinary room, so work carefully rather than trying to rush through the edges.

Keep your cut-in area several inches wide so the roller can comfortably overlap it.

What You Should See: Clean painted borders around the areas your roller can’t easily reach.

If Yours Looks Different: If paint is building up heavily in corners or along trim, unload the brush and spread the excess before adding more paint.

Step 4: Roll the First Coat

Load the roller evenly without saturating it to the point that it drips.

Work in manageable sections using overlapping passes.

Maintain a wet edge and use moderate pressure.

A smaller roller can be useful behind toilets, beside vanities, and in narrow wall sections where a full-size roller is awkward.

Don’t repeatedly roll over paint once it begins drying.

What You Should See: The wall should have an even wet appearance without heavy roller lines, drips, or obvious bare areas.

If Yours Looks Different: If you’re getting excessive splatter or paint is running down the wall, the roller is probably overloaded.

💡 Pro Tip: Don’t forget the narrow wall behind the toilet. A small roller on a longer handle can often reach the area without removing the toilet.

Step 5: Let the First Coat Dry and Inspect

Allow the paint to dry for the full recoat time listed by the manufacturer.

Keep the bathroom ventilated while it dries.

Once dry, inspect the walls under the bathroom lighting.

Look for:

• Thin spots
• Roller lines
• Missed edges
• Drips
• Visible repairs
• Stains bleeding through

Lightly sand any dried drips or rough repairs and remove the dust before continuing.

Don’t judge the finish while portions of the wall are still wet.

Step 6: Apply the Second Coat

Apply another thin, even coat using the same cutting-in and rolling technique.

Keep the roller consistently loaded and maintain a wet edge.

The second coat should even out the color and provide a more consistent finish.

What You Should See: Once completely dry, the walls should have consistent color and sheen throughout the bathroom.

If Yours Looks Different: If one area still looks patchy, let everything dry completely before touching it again. Uneven drying can temporarily make perfectly good paint look blotchy.

Step 7: Remove Tape and Let the Paint Cure

Carefully remove painter’s tape and clean up your drop cloths and supplies.

Reinstall switch plates, outlet covers, and accessories once the paint has dried sufficiently.

Avoid exposing freshly painted walls to heavy steam immediately if possible. Dry-to-the-touch paint is not necessarily fully cured.

Follow the paint manufacturer’s guidance for cure time and exposure to moisture.

If you have an exhaust fan, use it during showers to help control humidity and protect the new finish over time.

🛑 Common Mistakes to Avoid

• Painting over active mildew or moisture damage.
• Skipping wall cleaning.
• Using paint poorly suited for a humid bathroom.
• Painting over peeling paint.
• Ignoring failed caulk around painted areas.
• Applying excessively heavy coats.
• Rolling back into partially dried paint.
• Applying the second coat too soon.
• Judging the finish before it has completely dried.
• Exposing fresh paint to heavy shower steam too soon.
• Failing to use the bathroom exhaust fan after the project is finished.

Troubleshooting Common Bathroom Painting Problems

Problem: The new paint is peeling.

Moisture, poor surface preparation, or painting over an unstable existing coating can cause peeling. Determine why the paint failed before simply repainting the area.

Problem: Mildew keeps returning on the walls or ceiling.

Paint alone won’t correct a persistent humidity problem. Make sure the bathroom exhaust fan is working properly and actually venting outside, and address any leaks or other moisture sources.

Problem: The walls look streaky after painting.

Allow them to dry completely first. If the streaks remain, uneven roller loading or rolling into partially dried paint may be responsible. Another even coat usually improves the finish.

Problem: A water stain keeps coming back.

Make sure the leak or moisture source has been repaired. Once the surface is completely dry, use an appropriate stain-blocking primer before repainting.

Problem: Paint is peeling near the shower.

Frequent moisture exposure, condensation, or poor ventilation may be contributing. Repair the failed coating and make sure the room can adequately remove moisture during and after showers.

❓ FAQs

What type of paint should I use in a bathroom?

Choose a quality interior paint recommended for bathrooms or high-humidity spaces. Satin is a practical wall sheen because it’s durable and washable, although some bathroom-specific products perform well in lower sheens too.

Do I need special bathroom paint?

Not every bathroom requires a product labeled specifically as bathroom paint, but you should choose a coating designed to tolerate humidity and frequent cleaning.

Do I need to prime bathroom walls before painting?

Not necessarily. Previously painted walls in good condition may not require full priming. Bare drywall, repairs, stains, major color changes, and problem surfaces are more likely to need primer.

Can I paint over mildew?

No. Clean and address the mildew and the moisture conditions causing it before painting. Covering active growth with paint doesn’t solve the underlying problem.

Should I paint behind the toilet?

If the wall is visible, yes. A small roller, paint pad, or suitable long-handled tool can often reach behind the tank without removing the toilet.

How long after painting can I use the shower?

Check the manufacturer’s instructions for your specific paint. Whenever possible, give the new coating plenty of drying time before exposing it to heavy humidity or direct moisture.

Should I paint the bathroom ceiling too?

If it’s stained, faded, or you’re changing the overall color scheme, it can make sense to repaint it at the same time. Follow the steps in How to Paint a Ceiling⁠ and choose a paint suitable for the bathroom’s humidity level.

📞 When to Call a Professional

Consider calling a professional if:

• Mold or mildew covers a large area or repeatedly returns.
• Drywall feels soft, swollen, or damaged from moisture.
• You have an active plumbing or roof leak.
• Large sections of paint are peeling.
• Extensive drywall repairs are required.
• The bathroom has inadequate ventilation and you’re unsure how to correct it.
• You suspect older painted surfaces may contain lead and aren’t comfortable disturbing them.

Related DIY Guides

How to Paint a Room

How to Paint a Ceiling

How to Repair and Paint Nail Holes

How to Paint Baseboards

How to Replace a Bathroom Exhaust Fan