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"Can be shifted to fit around sink pipes...also expands to fit just about any cabinet, making it a versatile and efficient storage solution."
Best Sliding: Lynk Professional Roll Out Cabinet Organizer at Amazon
"Mount to the bottom of the cabinet, then slide the shelf into place...designed to slide out quickly and quietly."
"These units are incredibly efficient, as they have both a slide-out basket and shelf to help you store items under the sink."
Best Dual-Level: SimpleHouseware Stackable 2 Tier Sliding Basket Organizer at Amazon
"Has two slide-out baskets for easy access to your essential items...these sturdy metal organizers can also be stacked in large cabinets."
Best for Hair Tools: mDesign Over the Cabinet Hair Care Tools Holder at Amazon
"Designed to hang over the cabinet door under your sink and it includes slots for your hair dryer, straightening iron and more."
Best Behind-the-Door: mDesign Over Cabinet Kitchen Storage Organizer Basket at Amazon
"This over-cabinet organizer from mDesign measures in at 15.5" tall, 11" wide, and 5.5" deep. It features two baskets."
Best Segmented: DecoBros Mesh Cabinet Basket Organizer at Amazon
"Features a sliding mesh basket, which comes with two removable separators that break up the space into three sections."
Best Expanding: SimpleHouseware Under Sink 2 Tier Expandable Shelf Organizer
The tricky part about putting shelving under your sink is that the pipes inevitably get in the way. Luckily, the SimpleHouseware Under Sink 2 Tier Expandable Shelf Organizer Rack solves this problem with its adjustable panels, which can be shifted to fit around sink pipes. This highly-rated rack also expands to fit just about any cabinet, making it a versatile and efficient storage solution.
The SimpleHouseware Rack is 15" tall and 11.25" wide. It starts out at 15" long, but it can expand to a length of up to 25" to fit your space. The unit has two shelves, and what’s nice is that you can adjust the height of the shelves depending on what you want to store on them. The rack comes with a total of seven steel panels — three large and four small — that you can arrange around the sink drain and other obstacles as needed.
Reviewers have great things to say about this product, including that it’s lightweight, versatile and sturdy. Considering the unit’s low price, it’s a great buy if you are looking for expanding shelves for under the sink.
Best Sliding: Lynk Professional Roll Out Cabinet Organizer
If you have a deep cabinet under your sink, it can be hard to reach items stored at the back of the space. However, you can fix this problem with the help of the Lynk Professional Roll-Out Cabinet Organizer, which provides pull-out accessibility for the area under your sink.
This sliding shelf from Lynk is 11" wide and 21" long, and it comes in several other sizes, as well. To install the unit, you simply attach the mount to the bottom of the cabinet, then slide the shelf into place. The product is designed to slide out quickly and quietly, even if it’s loaded with heavy objects.
Reviewers note that these roll out cabinet organizers are easy to install and quite sturdy in construction. Though the price point is higher than many other under-sink organizers, the high-quality nature of these sliding shelves means they’ll last for years to come.
Best Stacking: DecoBros Stackable Under Sink Cabinet Sliding Basket Organizer
For double the storage space, you may want to consider stacking organizers, such as the DecoBros Stackable Under Sink Cabinet Sliding Basket Organizer. These units are incredibly efficient, as they have both a slide-out basket and shelf to help you store items under the sink.
The DecoBros Stackable Organizers are just over 10" tall, 11" wide and almost 17" long. They’re made of metal mesh, so small objects may fall through the holes, but users say you can easily line the basket to solve this issue. What’s unique about this product is that you can stack units on top of each other without any complex installation, providing double the storage space. Reviewers note that the organizers are very sturdy and the basket slides in and out easily.
The only downside of this unit is that standard cleaning supplies are too tall to be stored in the basket, so it may not be the best option if that’s what you’re trying to organize.
Best Dual-Level: SimpleHouseware Stackable 2 Tier Sliding Basket Organizer
Want a dual-level under-sink organizer to store all your bathroom products? Then you should look into the SimpleHouseware Stackable 2 Tier Sliding Basket Organizer Drawer, which has two slide-out baskets for easy access to your essential items. As an added bonus, these sturdy metal organizers can also be stacked in large cabinets for even more storage space.
The two-tier unit from SimpleHouseware measures in at 6.75" long, 11" wide and 12" tall. It features two sliding mesh baskets: a large bottom one that’s 4.25" deep and a smaller top one that’s 2.25" deep. Though the baskets have holes where smaller items might fall through, users say it’s easy to line the baskets with fabric to prevent this problem. Additionally, there’s a shelf on top that you can use for further storage.
Reviewers note that this product is great for organizing under-sink spaces in the kitchen and bathroom and that the SimpleHouseware Basket Organizer is high quality for an affordable price.
Best for Hair Tools: mDesign Over the Cabinet Hair Care Tools Holder
If you’re sick of looking at your hair styling tools on the bathroom counter, this neat under-sink organizer is just what you need. The mDesign Over the Cabinet Hair Care Tools Holder is designed to hang over the cabinet door under your sink, and it includes slots for your hair dryer, straightening iron and more.
The hair tools organizer from mDesign comes in several different colors, and its unique design is perfect for storing beauty tools out of sight in your bathroom. The organizer is a little over 9" wide, 3.5" deep and over 10" tall, and it hangs over the cabinet door on two hooks, which are lined with a protective backing to keep it from scratching your cabinet. The product features one circular space for a hair dryer, including a hook to wrap the cord around, and there’s also a larger multi-purpose space where you can stash straighteners, curling irons and even hair brushes.
Reviewers say that the mDesign Over the Cabinet Hair Care Tools Holder is great if you want to keep your hair tools close at hand yet still out of sight. However, some users do note that larger, more professional hair dryers don’t fit into the designated compartment.
Best Behind-the-Door: mDesign Over Cabinet Kitchen Storage Organizer Basket
For generic behind-the-door storage, this under-sink organizer is ideal. The mDesign Over Cabinet Kitchen Storage Organizer Basket has two baskets where you can stash items like cleaning supplies, sponges, beauty products and more, making it a must-have for your kitchen or bathroom.
This over-cabinet organizer from mDesign measures in at 15.5" tall, 11" wide and 5.5" deep. It features two baskets: a deep basket on the bottom where you can store things like cleaning bottles or dish soap, and a shallow basket on top that’s perfect for sponges, extra bars of soap and more. The whole product is made from durable steel, and the two hooks are lined with foam to prevent the unit from scratching your cabinets.
Reviewers say this unit is helpful if you want to declutter your counters, but they do mention that taller objects like aluminum foil boxes don’t fit in the bottom basket. Overall, this simple organizer from mDesign is an incredibly affordable way to tidy up the space under your sink in the bathroom or kitchen.
Best Segmented: DecoBros Mesh Cabinet Basket Organizer
Many under-sink baskets simply have one big compartment, but for additional organization, you may want a product that’s broken up into segments. The DecoBros Mesh Cabinet Basket Organizer provides the best of both worlds, thanks to its removable “split cards,” which break up the container into designated sections.
This under-sink organizer is just over 15" long, 9" wide and 5" tall. The product features a sliding mesh basket, which comes with two removable separators that break up the space into three sections—perfect if you want to sort bathroom or kitchen products. The organizer even features rubber feet that will keep the unit from sliding around in your cabinet.
Reviewers love the versatility and solid construction of the DecoBros Mesh Cabinet Basket Organizer. The product is easy to install, and at great price, these under-sink organizers are a great deal.
Size The biggest factor you should consider when selecting an under sink organizer is its size, as you want it to fit nicely under your sink. Be sure to measure accurately, so you don’t find yourself stuck with a product that's too big or too small.
Storage Under sink organizers can help you save a lot of space in some cases. However, some are designed to hold more than others. Consider the kinds of items you typically store under your sink, as well as how big they are and how easily you want to be able to access them.
Features Some under sink organizers offer simple shelving for storage, while others boast features like baskets that slide out and spaces designed to hold specific items such as hair tools. Some are also expandable and/or the shelf heights can be adjusted to get the right fit for your items and work around pipes.