25 Under Sink Storage Ideas

The area under your sink—whether in the kitchen, bathroom, or laundry room—often becomes a black hole of disarray, housing everything from cleaning supplies to extra toiletries and kitchen utensils. Does this cluttered space seem all too familiar to you?

Worry no more, as we present 25 ingenious under-sink storage ideas and products to reorganize your overlooked nooks. Our comprehensive guide promises to turn these challenging spaces into functional and accessible areas where every item has its dedicated spot.

Featuring both DIY projects and readily available products, our list caters to various preferences and skill levels. Whether you're looking for a quick, budget-friendly fix or considering a complete under-sink overhaul, we have something that suits your needs.

Let’s leave frantic searches for that specific cleaning spray or elusive hair dryer in the past. It's time to alter your under-sink areas for more organization and efficiency.

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1. DIY Tension Rod For Spray Bottles

This clever tension rod solution lets you hang spray bottles, freeing up valuable real estate under the sink for other items. It's a game-changer for both kitchen and bathroom organization.

2. mDesign Over-Cabinet Storage Basket

With this over-cabinet basket, frequently used items are always at arm's reach. Just check that your cabinet is one inch thick, and you're set for stress-free storage.

3. DIY Trash Bags on a Roll

You can finally stop fumbling for trash bags. This DIY organizes trash bag rolls efficiently, allowing easy access without consuming much space.

4. DIY Wooden Shelves

Maximize vertical space with DIY wooden shelves that fit snugly under your bathroom sink. It's a smart way to store toiletries, cleaning supplies, and even towels.

5. ICCGBHGO Sliding Floating Cabinet Door Shelves

These unique floating shelves use heavy-duty adhesive, providing easy-to-access storage that's a breeze to install. They are versatile enough to function in kitchens, bathrooms, and even offices.

6. DIY Kitchen Sink Roll-Out Storage Tray

Specially designed with smooth-action ball-bearing glides, this DIY roll-out tray keeps everything visible and accessible. It's an efficient way to utilize under-sink space in your kitchen.

7. Caphont Under-Sink Shelf

This compact double-tiered unit features two hanging cups and eight side hooks. With this organizer, you can creatively make the most of the unused vertical space under your sink.

8. U-Shaped Slide Out Shelf

Stop straining your back and knees. This U-shaped slide-out shelf brings everything closer to you, making the search for stored items a breeze.

9. Pull Out Under Sink Storage Trays

Simple carpentry tools are all you need to construct these roll-out trays. By the weekend's end, you'll have extra under-sink storage that you can easily access and organize.

10. Expandable Under Sink Shelves

Customize your storage space with this expandable under-sink shelf. Adjust its height and width to fit a variety of items, making it perfect for both small and large cabinets.

11. DIY Slide-Out Shelves

Transform the chaotic depths of your lower cabinets into an organized haven. With these DIY slide-out shelves, your items come to you, eliminating the need for a back-breaking search.

12. DIY Under Sink Cabinet Organizer with Pull Out Baskets

This DIY vertical organization system offers pull-out baskets that keep your under-sink area neat. Plus, it's budget-friendly and simple to assemble.

13. DIY Plastic Milk Jug Caddy

Are you struggling with unruly hair tools or kitchen accessories? This DIY caddy made from a plastic milk jug conveniently tucks away hair dryers, straighteners, pans, and chopping boards. It saves you the fuss of disorganized clutter.

14. Easy Under Sink Storage H-Shelf

Say goodbye to chaos under the kitchen sink with this H-shelf. Requiring just 15 minutes and basic materials, this simple yet efficient design helps you locate items effortlessly and frees up valuable space.

15. DIY Roll-out Drawer

This clever roll-out drawer allows you to store taller kitchen items efficiently. It's an inexpensive alternative to store-bought versions and provides easy access to baking sheets and large pans, transforming the way you use your kitchen.

16. Stackable Sliding Basket Organizer

Why settle for disarray when you can have layers of organized bliss? This sliding basket organizer's stackable design is perfect for making use of vertical space, while its slide-out basket ensures easy access to your stored items.

17. DIY Pocket Organizer

Who said organizing can't be quick and easy? This pocket organizer offers a straightforward DIY project that's doable during a baby's naptime. Imagine all your small essentials tucked neatly away behind your sink door.

18. DIY vertical Divider Shelves

These vertical divider shelves allow you to store cleaning supplies on the door of your bathroom cabinet. The vertical storage allows you to easily access your cleaning supplies and keep your bathroom or kitchen neat and tidy.

19. Expandable Under Sink Organizer and Storage

This 3D-expandable shelving system adapts to your specific under-sink architecture. Whether you want to store cleaning agents or extra toilet paper, its adjustable design fits snugly into a range of spaces.

20. DIY Kitchen Sink Tip Outs

For small kitchens, every inch counts. This DIY sink tip-out project provides concealed yet accessible storage for sponges and other cleaning supplies, helping you make the most of limited space.

21. DIY Butcher Block Vanity

Short on bathroom space? This DIY butcher block vanity is a savvy solution. Open and airy, its design makes your bathroom feel more expansive, while the use of leftover butcher block is a cost-effective touch.

22. Wooden Cabinet Pantry Door

Utilize your cabinet doors as hidden storage wonders. Installing a small shelf or towel bar on the door is a clever way to store sponges and drain plugs, capitalizing on an often-overlooked storage opportunity.

23. DIY Tip-Out Drawer

Outsmart the design flaw of useless kitchen panels with this tip-out drawer. It ingeniously replaces decorative false fronts, adding a hidden but accessible storage space for soap, sponges, and brushes.

24. Over-the-Door Organizer

Think you've run out of storage options? The back of your sink cabinet door says otherwise. An over-the-door organizer is perfect for housing quick-grab items, from paper towels to cleaning agents.

25. DIY Under Sink Washing Machine

Cramped living space? No problem. This DIY under-the-sink washing machine hack is a minimalist's dream. It offers a clever way to incorporate a laundry area into even the most compact of homes.