12 Under Sink Storage Ideas for a Clutter-Free Bathroom or Kitchen

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That awkward space under your sink doesn’t have to be a black hole where cleaning supplies disappear forever. Whether you’re dealing with a tiny bathroom vanity or a cramped kitchen cabinet, smart under sink storage can transform this challenging area into an organized powerhouse that actually works for your daily routine.

The key to successful cabinet organization lies in understanding the unique constraints of this space – those pesky pipes, odd angles, and limited height that seem designed to frustrate even the most determined organizers. But here’s what I’ve learned after years of helping homeowners tackle their storage and organization ideas: the right combination of containers, shelving, and creative thinking can turn even the most awkward under-sink area into a model of efficiency.

Ready to reclaim that wasted space? These 12 under sink storage ideas will help you create a system that not only looks great but actually makes your daily routines smoother and more enjoyable.

1. Stackable Clear Bins with Labels

Clear, stackable bins are the unsung heroes of small space storage. You can see exactly what’s inside without playing the guessing game, and the stackable design maximizes vertical space that often goes unused.

Choose bins that fit the width of your cabinet and leave enough room to slide them in and out easily. The transparent design means you’ll actually use what you have instead of buying duplicates because you forgot what was hiding in the back.

Labels aren’t just pretty – they’re functional magic. When everything has a designated spot, family members are more likely to put things back where they belong. Use waterproof labels since this area can get splashed occasionally.

2. Pull-Out Drawer Systems

Nothing beats the convenience of pull-out drawers for accessing items stored in deep cabinets. These systems bring everything within reach without requiring you to crawl halfway into the cabinet or move multiple items to grab what you need.

Most pull-out systems are adjustable and can work around existing plumbing. The investment pays off quickly when you consider how much easier it becomes to maintain an organized space. Your small bathroom style gets an instant upgrade with this professional-looking solution.

Installation might seem intimidating, but many systems come with detailed instructions and require only basic tools. The key is measuring your cabinet dimensions carefully before purchasing.

3. Tension Rod Cleaning Supply Organizer

This genius hack costs less than $10 but transforms how you store spray bottles and cleaning supplies. A simple tension rod mounted between the cabinet walls creates instant vertical storage by allowing you to hang spray bottles from their trigger handles.

The beauty of this efficient storage solution lies in its simplicity and flexibility. You can adjust the rod’s position to work around pipes, and it doesn’t require any permanent installation or hardware.

Below the hanging bottles, you’ll have clear shelf space for other items. This two-level approach maximizes every inch of cabinet space while keeping frequently used cleaning supplies easily accessible.

4. Expandable Under-Sink Shelf Units

Expandable shelving units are like having custom-built storage without the custom price tag. These clever systems adjust to fit your specific cabinet width and can navigate around pipes and other obstacles.

The multi-tier design instantly doubles or triples your storage capacity. Most units feature removable shelves, so you can customize the configuration based on what you’re storing. Tall bottles on the bottom, smaller items up top – you control the layout.

Look for units with non-slip feet to prevent sliding when you open and close cabinet doors. The stability makes a huge difference in how well the system functions long-term.

5. Door-Mounted Storage Solutions

Don’t overlook the inside of your cabinet doors – this prime real estate often goes completely unused. Door-mounted storage solutions can hold everything from cleaning supplies to hair tools, depending on whether you’re organizing kitchen or bathroom space.

Over-the-door organizers work particularly well for lighter items like sponges, scrub brushes, or travel-sized toiletries. The key is choosing organizers that won’t interfere with the door’s ability to close properly.

For bathroom ideas that maximize storage, consider mounting small baskets or narrow shelves that can hold daily essentials without adding bulk to the door.

6. Lazy Susan for Corner Access

Corner cabinets and deep spaces become infinitely more functional with a lazy susan system. This rotating solution brings items from the back to the front with a simple spin, eliminating the need to move everything just to reach one bottle.

Choose a lazy susan with raised edges to prevent items from sliding off during rotation. The containment feature is especially important in under-sink areas where space is tight and accidents can create big messes.

This approach works brilliantly for storing multiple cleaning products or bathroom supplies that you use regularly but don’t necessarily need at arm’s reach every day.

7. Sliding Basket Systems

Wire sliding baskets combine the visibility of open storage with the functionality of drawers. The wire construction allows air circulation, which is particularly beneficial in the humid environment under bathroom sinks.

These systems typically mount to the cabinet walls and slide out independently, giving you access to specific categories of items without disturbing others. It’s like having multiple shallow drawers instead of one deep, dark cavity.

The basket system works exceptionally well for organizing by category – one for hair care, another for cleaning supplies, a third for towels or linens. This categorical approach makes maintenance so much easier.

8. Stackable Modular Drawers

Modular drawer systems let you create a custom storage solution that adapts to your specific needs. Unlike fixed shelving, you can reconfigure these drawers as your storage requirements change.

Start with a few basic units and add more as needed. The modular approach means you’re not locked into one configuration – if you need more space for tall bottles, remove a drawer. Need more small compartments? Add a drawer with dividers.

Look for units that stack securely and have smooth-operating drawers. The investment in quality hardware pays off when you’re using the system daily and need reliability.

9. Magnetic Strip Storage

Magnetic strips aren’t just for kitchen knives – they’re fantastic for organizing small metal items in bathroom cabinets. Think tweezers, nail clippers, scissors, and even some makeup tools with metal components.

This storage hacks for home organization approach keeps small items visible and prevents them from getting lost in the depths of containers or drawers. Plus, it utilizes wall space that typically serves no storage function.

Mount the strip at eye level inside the cabinet for easy access. Make sure it’s strong enough to hold your items securely – you don’t want things falling every time you open the door.

10. Caddy Systems for Portable Organization

Sometimes the best storage solution is one that travels with you. Cleaning caddies and portable organizers let you keep supplies organized under the sink while making them easily transportable when you need to clean other areas.

This dual-purpose approach is particularly smart for kitchen and dining ideas where you might need to move cleaning supplies between the kitchen and dining areas. The caddy keeps everything contained and organized whether it’s stored or in use.

Choose caddies with comfortable handles and compartments sized for your most-used items. According to cleaning experts at The Spruce, having a well-organized cleaning caddy can reduce cleaning time by up to 30% because you spend less time looking for supplies.

11. Adjustable Shelf Risers

Shelf risers are like bleacher seats for your storage containers – they create multiple levels so everything gets a front-row view. This approach is especially effective for items of varying heights that would otherwise create wasted space above shorter containers.

The adjustable feature means you can customize the height based on what you’re storing. Tall bottles in back, medium items in the middle, small containers in front – everyone gets seen and accessed easily.

Look for risers with non-slip surfaces to prevent items from sliding around when you open and close cabinet doors. Stability is crucial for maintaining an organized system long-term.

12. Hooks and Hanging Solutions

Vertical wall space inside cabinets rarely gets utilized, but it’s perfect for hanging lightweight items. Adhesive hooks, small rails, and hanging solutions can accommodate everything from rubber gloves to scrub brushes.

This approach keeps items off the cabinet floor, making it easier to clean and reducing the chance of items getting wet or damaged. It’s particularly useful for items you use frequently but don’t want taking up valuable shelf space.

Consider the weight capacity of your chosen hanging solution and avoid overloading. The goal is convenient access, not a cabinet door that won’t close properly due to overcrowding.

Creating Your Perfect Under Sink Storage System

The key to successful under sink organization lies in understanding your specific needs and the unique constraints of your space. Whether you’re working on small kitchen cabinet organization or tackling bathroom storage challenges, the right combination of these solutions will transform your most frustrating cabinet into a model of efficiency.

Start by completely emptying the space and giving it a thorough cleaning. Take measurements of the available space, noting pipe locations and any other obstacles. This planning phase ensures you choose solutions that actually fit and function in your specific cabinet.

Consider your daily routines when deciding which items deserve the most accessible spots. Frequently used cleaning supplies should be within easy reach, while occasional-use items can be stored higher or deeper in the cabinet.

Remember that the best storage system is one that you’ll actually maintain. Choose solutions that feel intuitive and make it easy to put things back where they belong. With the right approach, your under sink storage can become a source of daily satisfaction rather than ongoing frustration.