How to Organize Under the Bathroom Sink

The cabinet under the bathroom sink is small, awkward and full of plumbing, which is exactly why it turns into a jumble so fast. The good news is that it is one of the quickest spaces in your home to fix, and most of the work takes less than an hour.

Updated October 2026

Why does the space under the bathroom sink get so messy?

Three things work against you here. The drain pipe and water lines cut through the middle of the cabinet, there are rarely shelves, and the door is low enough that you cannot see the back without kneeling.

So things get shoved in, stacked on top of each other and forgotten. You end up buying a third bottle of conditioner because you could not find the other two. Once you plan around those three problems, the space becomes very usable.

If your whole home feels like this, start with our room by room guide to organizing your whole home and treat this cabinet as an easy first win.

How do you organize under the bathroom sink step by step?

Set aside 45 to 60 minutes. Grab a trash bag, a damp cloth, a tape measure and a towel to kneel on.

Step 1: Take everything out

1. Lay a towel on the floor and pull every item out of the cabinet.
2. Group items roughly as you go: hair care, skin care, first aid, cleaning, paper goods and spares.
3. Look at the empty cabinet with a flashlight and check for water stains, soft spots or drips around the pipes.

A soft or warped cabinet floor usually points to a slow leak. Tighten loose connections by hand if you can see them, and call a plumber if water keeps appearing.

Step 2: Clean the cabinet

Wipe the base, walls and door with warm water and a little dish soap. Let it air dry with the door open for at least 30 minutes before putting anything back.

If you see mildew, a mix of one tablespoon of dish soap in a quart of warm water usually handles it. Wear gloves and keep the bathroom fan running. Never mix bleach with ammonia or with vinegar, because those combinations release dangerous fumes.

Step 3: Edit ruthlessly

This is where most of the space comes from. Go through each group and toss or donate:

• Expired medicine, sunscreen and skin care (check the date or the small open jar symbol on the label).
• Products you tried once and did not like.
• Nearly empty bottles you can combine or finish this week.
• Duplicates beyond one backup of each item.
• Old hair tools that no longer heat evenly.
• Hotel samples you have been keeping for a trip that never comes.

Dispose of old medication through a pharmacy take-back program when one is available. For more help letting go of extras across the house, our 30 day decluttering plan breaks it into small daily tasks.

Step 4: Measure the space

Measure the interior width, depth and height, then measure from each side wall to the pipes. Note the height of the drain trap, since that is usually the lowest point you have to clear.

Write these numbers on your phone. They will save you from buying an organizer that does not fit, which is the most common mistake people make here.

Step 5: Choose organizers that fit around the pipes

Pick one main organizer and a few small bins. More containers do not equal more organization. See the comparison table below for the most common options.

Step 6: Put things back by frequency

1. Daily items go at the front and at the height that is easiest to reach.
2. Weekly items go behind or beside them.
3. Backups and bulk buys go in the back corners.
4. Cleaning products go in their own lidded or handled bin, away from toiletries.

Step 7: Label everything

Labels keep the system working when other people put things away. Simple masking tape and a marker work fine. Short labels like “Hair,” “First aid” and “Backups” are all you need.

What are the best organizers for under the bathroom sink?

The right organizer depends on your pipe layout and budget. Here is how the common options compare. Prices are typical ranges at big box and discount stores and vary by region and size.

Organizer type	Best for	Typical cost	Watch out for
Two-tier sliding drawers	Cabinets with space on one or both sides of the pipes	$15 to $40 per unit	Must clear the drain trap height
U-shaped shelf	Single sinks with a centered drain	$20 to $45	Needs accurate width measurements
Expandable shelf with removable panels	Unusual pipe layouts	$20 to $35	Can wobble if overloaded
Clear stackable bins	Grouping small items by category	$2 to $8 each	Stacking too high hides things again
Turntable (lazy Susan)	Bottles in a deep corner	$6 to $15	Wastes space in narrow cabinets
Over-the-door or adhesive door rack	Hair tools, brushes, small bottles	$8 to $20	Check that the door still closes
Tension rod	Hanging spray bottles by the trigger	$4 to $10	Only works for trigger sprayers

How do you work around the pipes?

Pipes are the reason this cabinet feels so hard. Treat the space as two or three smaller zones instead of one big box.

Use the side zones for tall items

The areas on either side of the drain usually have full height. Put taller bottles, the hair dryer and a bin of backups here.

Use the front zone for daily items

The strip in front of the drain trap is shallow but easy to reach. A narrow tray or a short bin for daily products works well here.

Leave the pipes accessible

Keep a small gap around the shutoff valves so you can turn off the water quickly in an emergency. Never block them with a heavy bin.

How should you store cleaning products under a bathroom sink?

Many people keep a few bathroom cleaners here, and that is fine with a little care.

• Keep cleaners in one bin with a handle, separate from anything that goes on your skin.
• Store them upright with caps fully closed.
• Keep products in their original containers with labels intact.
• Never store bleach next to ammonia-based cleaners or vinegar, so they cannot be mixed by accident.
• If you have young children or pets, install a child safety latch on the cabinet door, or move cleaners to a higher shelf.

Keeping only what you use for the bathroom here also makes your weekly routine faster. Our complete home cleaning schedule shows which bathroom tasks to do daily, weekly and monthly, and our guide to removing hard water stains from glass shower doors covers one of the most common jobs.

How do you use the cabinet door?

The back of the door is often the most underused storage in the bathroom. A few ideas:

• A slim over-the-door basket for hair brushes and combs.
• Adhesive hooks for a hair dryer cord or a small bag of hair ties.
• A clear adhesive pocket for cotton rounds, floss and travel sizes.
• A small heat-resistant holder for a flat iron or curling iron (let tools cool fully first).

Before you attach anything, close the door slowly and check that nothing hits the pipes or the organizer inside.

What should you keep under the bathroom sink?

The best things to store here are items you use in the bathroom and that tolerate a little humidity.

Keep under the sink	Store somewhere else
Hair care and styling tools	Medications (humidity can affect them)
Extra soap, shampoo and toothpaste	Spare towels and linens, if you have a closet
Bathroom cleaners and a scrub brush	Makeup you use daily (keep it at eye level)
Toilet paper backups (in a closed bin)	Anything valuable or paper documents
Basic first aid supplies	Cleaners for other rooms

Most pharmacists suggest storing medicine in a cool, dry place, so a bedroom shelf or hall closet is often a better choice than the bathroom.

How do you organize under a pedestal or small sink?

No cabinet? You still have options.

• Add a sink skirt on a tension rod to hide a couple of bins on the floor.
• Use a slim rolling cart beside the sink for daily items.
• Install a small wall shelf or medicine cabinet above the toilet.
• Hang a towel bar with S-hooks and small baskets on the wall.

If you rent, look for adhesive or tension options that do not need drilling. Our guide on updating a rental without losing your deposit has more renter-friendly ideas.

How do you keep it organized?

An organized cabinet stays that way only if putting things back is easy. Build in these small habits:

1. One in, one out: when you open a new bottle, finish or toss the old one.
2. Do a two-minute reset each week while you clean the bathroom.
3. Check expiration dates every three months, perhaps when the seasons change.
4. Keep a running list on your phone of backups you have, so you do not overbuy.

Frequently asked questions

What is the best way to organize under a bathroom sink?

Empty the cabinet, clean it, and toss expired or unused products first. Then choose an organizer that fits around your pipes, such as two-tier sliding drawers or a U-shaped shelf, and group what is left in labeled bins. Put daily items in front and backups in the back.

Is it safe to store cleaning products under the bathroom sink?

Yes, as long as they are closed, upright and kept in their original containers. Keep them in a separate bin from toiletries and never store bleach next to ammonia or vinegar. If you have children or pets, add a safety latch or move cleaners higher up.

How do I stop water damage under my bathroom sink?

Use a waterproof liner or a drip tray on the cabinet floor so small leaks are contained and easy to see. Check around the pipes once a month for drips or damp spots. If the cabinet floor feels soft or water keeps reappearing, have a plumber take a look.

Should I keep medicine under the bathroom sink?

It is usually better not to. Bathrooms get warm and humid, and many medications are meant to be stored in a cool, dry place. A bedroom shelf, hall closet or kitchen cabinet away from the stove is often a better spot.

How do you organize under a sink with pipes in the way?

Divide the cabinet into zones: tall items on either side of the drain and short items in the shallow strip in front of the trap. Choose organizers designed to fit around plumbing, like U-shaped shelves or expandable units with removable panels. Always leave the shutoff valves easy to reach.

Bring it all together

A tidy cabinet under the bathroom sink saves you money on duplicate products and a little stress every morning. Clear it out, measure, choose one good organizer and keep only what you use. Once it is done, the same approach works for the rest of the house, including your closet on a budget.