15 Under Kitchen Sink Storage Ideas That Double Your Cabinet Space

The cabinet under the kitchen sink might be the most awkward storage real estate in your home: a dense web of pipes, the garbage disposal, and a drain trap right in the middle of everything. No wonder it becomes a jumble of spray bottles, sponges, and plastic bags. But with the right under sink organizer, that awkward space becomes one of the hardest-working cabinets in your kitchen.

These 15 under kitchen sink storage ideas are built around one principle: work with the plumbing, not against it. Each comes with a real photo and practical tips so you can transform a chaotic cabinet into a tidy, leak-proof system this weekend.


1. Install a Two-Tier Pull-Out Sliding Organizer

Two tier pull out sliding under sink organizer around pipes Photo credit: Overstock

The pull-out sliding organizer is the single best upgrade for under-sink storage because it eliminates the “reach into the dark and hope” problem. The U-shaped frame slides out like a drawer, wrapping around the drain trap so you use the space the pipes would otherwise waste. The two tiers double your capacity: tall bottles underneath, sponges and soaps up top. Measure your cabinet’s width and the clearance under the disposal before buying — most units need about 10 inches of vertical clearance — then load the heaviest items on the bottom shelf where they’re most stable.

2. Use an Expandable Shelf That Fits Around the Plumbing

Expandable under sink organizer shelf adjusted around pipes Photo credit: Amazon

Every sink cabinet is a different maze of pipes, which is why expandable, no-drill adjustable shelves are such a smart under sink storage solution. The shelf panels and support posts reposition to create a custom fit: raise one side to clear the disposal, lower the other to sit snug against the cabinet floor. You gain a second level of storage in cabinet space you thought was unusable, without a single screw. Position the taller bottles on the lower level and reserve the raised platform for everyday sprays so nothing hides behind the trap.

3. Hang Spray Bottles from a Tension Rod

Tension rod under sink with spray bottles hanging by triggers Photo credit: The Kitchn

This classic organizing hack costs about five dollars and instantly frees the cabinet floor. Mount a tension rod horizontally across the cabinet, then hang spray bottles by their triggers — the rod supports the neck while the bottle hangs below. Suddenly the entire floor is clear for bins and stackable drawers, and every spray is visible at a glance instead of buried in a back corner. Push the rod as far back as your bottles allow so you keep front-row space for other storage, and choose a sturdy rod with rubber end caps so it stays put under the weight.

4. Add an Over-the-Door Organizer to the Cabinet Doors

Adhesive cabinet door organizer holding supplies under sink Photo credit: Amazon

Cabinet doors are the most neglected storage surface under the sink. Adhesive door-mounted racks attach without drilling and turn that flat panel into a shelf for sponges, brushes, scrubbers, and small bottles — the light, frequently used items that otherwise float around the cabinet. Stick the rack at hand height on the inside of the door, keep items under a pound or so, and check that the door still closes cleanly before loading it up. Because the rack holds your daily-touch items, it pairs perfectly with bulkier storage deeper in the cabinet.

5. Contain Loose Items in Stackable Clear Bins

Clear stackable storage bins with handles for under sink organization Photo credit: The Home Depot

Nothing tames under-sink chaos faster than a set of matching clear bins. Group everything into categories — dishwashing, surface cleaning, scrubbing tools, refills — and give each category its own bin. The handles matter more than you’d think: when you need the stainless polish, you pull the whole bin out instead of excavating. Clear plastic lets you inventory supplies without opening anything, and stackable sides let you build a second layer on the cabinet floor. One rule keeps the system working: if a bin’s category grows past the bin, it’s time to declutter the category.

6. Spin Small Bottles on an Under-Sink Turntable

Under sink turntable lazy susan with adjustable dividers holding bottles Photo credit: Amazon

In a deep cabinet, the bottles at the back simply cease to exist — unless they’re on a turntable. An under-sink lazy Susan with adjustable dividers lets you organize small bottles, brushes, and tubes into segments, then spin to reach any of them without moving anything else. This is one of the best under the sink organization ideas for corner-heavy cabinets where pull-out shelves won’t fit. Choose a low-profile model that clears the drain, load taller items toward the center, and keep the spin to one category — daily cleaners — so it stays fast to use.

7. Convert the Cabinet to a Pull-Out Trash and Recycling Center

Pull out trash can recycling bin system inside sink cabinet Photo credit: The Home Depot

If your trash can lives next to the sink cabinet, you’re spending prime floor space twice. A pull-out waste system tucks the trash and recycling bins inside the cabinet on full-extension slides — the bins glide out when the door opens, keeping odors contained and floors clear. Measure the cabinet opening carefully (most systems need 14–18 inches of width) and decide between top-mount frames that attach to the cabinet floor and bottom-mount frames that bolt to the door itself. A soft-close mechanism is worth the upgrade when kids are constantly in and out of the cabinet.

8. Keep a Portable Cleaning Caddy for Whole-House Jobs

Gray cleaning caddy tote with handle holding cleaning supplies Photo credit: Amazon

Some supplies don’t belong under the sink at all — the glass cleaner and wood polish you carry to other rooms need a grab-and-go home. A divided caddy with a handle stores upright in the cabinet, then lifts out in one motion when it’s cleaning day. The divided compartments keep bottles from tipping and knocking against each other in transit. Store the caddy on the cabinet floor in front, and reserve the back and sides for the kitchen-only items like degreaser and disposal cleaner. One caddy, one trip, no bottle-hunting through three rooms.

9. Maximize Edges with an L-Shaped Organizer with Hooks and Cup

L shaped under sink organizer with hanging hooks and cup Photo credit: The Home Depot

L-shaped organizers are designed specifically for the no-man’s-land on either side of the drain trap. The cut-out frame straddles the pipes, the sliding drawer pulls out past the disposal, and the built-in details make the most of every inch: side hooks hold dish brushes and scraper tools, and a hanging cup keeps sponges or sink plugs corralled. It’s an all-in-one under sink organizer for cabinets where a full-width unit won’t fit. Load the drawer with your mid-weight items and let the hooks carry the awkward pieces that never stand up on their own.

10. Build a Second Level with Stackable Wire Risers

Stackable metal wire shelf risers creating second level in cabinet Photo credit: The Home Depot

Under-sink cabinets are usually tall and shallow-deep, which means vertical space is your biggest untapped resource. Stackable wire risers create an instant second level: short items sit up top, tall bottles live underneath, and the open wire design lets you see — and grab — everything through the sides. Choose rustproof coated steel, since this is the dampest cabinet in the kitchen. Place a riser on each side of the trap rather than fighting the plumbing, and keep the cabinet floor between them free for the tallest items like dishwasher detergent and bulk refills.

11. Protect Everything with a Waterproof Silicone Mat

Waterproof silicone under sink mat with raised edges in cabinet Photo credit: Amazon

Before you organize anything, protect the cabinet itself. A waterproof silicone under-sink mat with raised edges acts as a built-in drip tray — if a fitting leaks or a bottle tips, the mat contains the water instead of letting it warp the cabinet floor. This is the least glamorous but most valuable item on the list, because one slow leak under a sink can cause hundreds of dollars of damage. Choose a mat sized to your cabinet with at least a half-inch raised lip, trim it with scissors for a custom fit, and wipe it out whenever you clean the rest of the kitchen.

12. Clip Gloves and Small Tools with Suction Cup Hangers

Suction cup clips holding dish gloves inside sink cabinet Photo credit: Amazon

Dish gloves are the escape artists of under-sink storage — always damp, always falling, never where you left them. Suction cup clips stick to the cabinet’s side wall or door and hold gloves upside down by the cuff, so they drip-dry instead of staying wet in a pile. No drilling, no adhesive residue, and they move in seconds when your layout changes. Hang one clip per pair on opposite walls, and use a spare clip for the scrubby sponge or a small towel. It’s a tiny upgrade that solves one of the most annoying under-sink problems for about the price of a sponge.

13. Dispense Trash and Grocery Bags from the Cabinet Door

Garbage bag dispenser mounted on inside of cabinet door Photo credit: Amazon

Boxes of trash bags and the graveyard of stuffed grocery bags both need a home — and the inside of the cabinet door is ideal. A hanging dispenser holds bag rolls or a stack of grocery bags and feeds them from the bottom, one at a time, exactly where you need them next to the bins. Mount it on the door that houses your pull-out trash so the whole waste station lives in one place: bags above, bins below. This clears the bag clutter from the cabinet floor and ends the rummage through the loose-bag pile every time the bin is full.

14. Zone the Cabinet by How Often You Use Each Item

Organized under sink cabinet with products grouped into zones Photo credit: The Kitchn

The best under-sink systems share one invisible structure: zones by frequency. Daily items — dish soap, sponges, hand soap refills — go front and center at grab height. Weekly items — surface sprays, stainless cleaner — sit on the shelves or in bins on the sides. Occasional items — wood polish, drain treatment, extra refills — live in the back, on the floor, or up on risers. Spend ten minutes sorting everything into those three tiers before you buy any organizer, and you’ll know exactly which storage products your cabinet actually needs instead of guessing.

15. Stack Mini Pull-Out Drawers for Modular Storage

Stackable clear pull out storage drawers for under sink cabinet Photo credit: Walmart

Modular stackable drawers are the flex option for awkward cabinets: each clear acrylic unit is its own pull-out drawer, and you stack two or three beside the pipes to build a custom tower. Unlike open bins, drawers slide out fully so you can reach the back of each one — no lifting, no unstacking. The clear sides mean you can see contents at a glance, and because the units are modular, the system grows or shrinks as your supplies do. Stack them on the side of the cabinet away from the trap, tallest first, and dedicate one drawer entirely to sponges and scrubbers where damp items can air out.


Frequently Asked Questions

How do I organize under the kitchen sink with a garbage disposal?

Choose organizers designed to work around plumbing: U-shaped pull-out units that straddle the trap, L-shaped organizers for the sides, and expandable shelves with adjustable heights. Hang spray bottles on a tension rod above the disposal and stack bins or drawers on the open floor beside the trap. Measure clearance under the disposal before buying anything.

What should not be stored under the kitchen sink?

Avoid storing anything heat- or moisture-sensitive: food (even sealed), paper goods, batteries, medications, and electronics. Keep only cleaning supplies and dishwashing gear there, stored on a waterproof mat. If you have curious kids or pets, add a child-proof latch and move chemical cleaners to a high, locked cabinet.

How do I protect my cabinet from leaks under the sink?

Use a waterproof silicone under-sink mat with raised edges as a drip tray, and do a quick monthly check of the trap, supply lines, and disposal connections. Wipe up any moisture immediately, and never store paper towels or cardboard boxes in the cabinet — they hide leaks until the damage is done.

What is the best under sink organizer for a small cabinet?

A tension rod plus stackable clear bins delivers the biggest improvement for the least money: the rod frees the floor by holding spray bottles, and the bins contain everything else. If budget allows, upgrade one side to a two-tier pull-out organizer to double capacity around the pipes.

How can I organize under the sink without drilling?

Rely on tension rods, adhesive door racks, suction cup clips, and freestanding pull-out organizers — every idea in this post except the trash pull-out works without drilling. For the trash system, choose a bottom-mount frame that bolts to the cabinet floor with two screws, or use a freestanding slide-out bin base.