Bathroom Over Tank Storage: 3 Space-Saving Picks

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3 Tier Over The Toilet Storage has the smallest listed floor footprint at 1.61 sq ft, and Simple Trending Over The Toilet Storage the largest at 2.17 sq ft. Kalrin Over-The-Toilet Storage Rack lists 9.84″ D × 23.82″ W × 68.11″ H; Simple Trending Over The Toilet Storage lists 24″ D × 13″ W × 64″ H; 3 Tier Over The Toilet Storage lists 9.8″ D × 23.6″ W × 66″ H. Specifications come from Amazon listing data checked October 3, 2026; we have not tested these products. Confirm the variant and listed details on Amazon before ordering, because titles and specification fields can change.

Quick compare: the products in this guide

Sizes come from the Amazon listings as we read them; check the product page for the current details before you buy.

Product	Listed details	Link
Kalrin Over-The-Toilet Storage Rack, 4-Tier Bathroom Organizer Shelf Over…	9.84″D x 23.82″W x 68.11″H	See details on Amazon Affiliate link
Simple Trending Over The Toilet Storage Cabinet, Metal Bathroom Shelf…	24″D x 13″W x 64″H	See details on Amazon Affiliate link
3 Tier Over The Toilet Storage Rack, Bathroom Organizer	9.8″D x 23.6″W x 66″H	See details on Amazon Affiliate link

Three options at a glance

Pick	Listed dimensions	Floor footprint	Footprint rank
Kalrin Over-The-Toilet Storage Rack	9.84″ D × 23.82″ W × 68.11″ H	234.39 sq in (1.63 sq ft)	Middle
Simple Trending Over The Toilet Storage	24″ D × 13″ W × 64″ H	312 sq in (2.17 sq ft)	Largest
3 Tier Over The Toilet Storage	9.8″ D × 23.6″ W × 66″ H	231.28 sq in (1.61 sq ft)	Smallest

1. Kalrin Over-The-Toilet Storage Rack, 4-Tier Bathroom Organizer Shelf Over Toilet with Adjustable Shelf and Basket, Freestanding Space Saver Bathroom Shelves Above Toilet for Room (Vintage Brown) — Middle listed footprint

Listed details: dimensions 9.84″ D × 23.82″ W × 68.11″ H; item weight 7.9 kg; material Metal; color Brown.

The listing states the Kalrin Over-The-Toilet Storage Rack measures 9.84″ D x 23.82″ W x 68.11″ H for a listed footprint of 1.63 sq ft, the middle footprint of the three. The listing states it has 4 tiers, described as three open shelves plus 1 storage basket, with 3 removable hooks and a toilet paper holder. The listing states the frame is metal with P2 particleboard thick wood panels in Brown and Vintage style, and weight is 7.9 kg. The listing states it has an X-shaped crossbar and wall fixing nails to prevent tipping, and three adjustable wooden shelves to customize spacing for items of various heights.

Pros

• 4-tier layout with basket plus 3 hooks and paper holder adds organized spots for toiletries without extra wall hardware
• Three adjustable wooden shelves let you change clearance between tiers for tall bottles or baskets
• X-shaped metal crossbar plus wall fixing nails described for stability against tipping and shaking

Cons

• The listing does not state per-tier or total weight capacity, so you cannot verify load limits for heavy bottles or towels
• At 68.11″ H and 23.82″ W, the unit needs more vertical clearance than the shortest option and may not fit low ceilings or compact alcoves
• P2 particleboard shelves in a humid bathroom require wiping and ventilation; the listing does not state water resistance beyond the metal frame

Who it is for / who should skip it: Pick it if you want the most tiers and included basket/hooks with adjustable shelf spacing. Skip it if you need stated weight limits or the lowest height.

2. Simple Trending Over The Toilet Storage Cabinet, Metal Bathroom Shelf Organizer with Paper Holder and Hooks, 3 Tier, Black — Largest listed footprint

Listed details: dimensions 24″ D × 13″ W × 64″ H; item weight 16 ounces; material Metal; color Black With Towel Rack.

The listing states the Simple Trending Over The Toilet Storage measures 24″ D x 13″ W x 64″ H, with a related line listing 24.25″ D x 13″ W x 64″ H, for a listed footprint of 2.17 sq ft, the largest of the three. The listing states it has 3 shelves in Metal, Black With Towel Rack, Modern style, and item weight of 16 ounces. The listing states it has a three-tiered design with a towel rack and 3 hooks, thickened steel tubing with waterproof coating, and securing straps to prevent wobble. The listing states it fits most standard toilets and can also be used in other rooms.

Pros

• Includes towel rack plus 3 hooks for towels and tools along with three tiers for vertical storage
• Thickened steel tubing with waterproof coating and securing straps described for rust resistance and stability
• 64″ H is the lowest height among the three, which helps under lower ceilings or shelves

Cons

• Largest listed footprint at 2.17 sq ft, which is 0.54 sq ft larger than 1.63 sq ft and 0.56 sq ft larger than 1.61 sq ft, reduces floor space savings
• The listing does not state per-tier weight capacity, so you cannot confirm how much each level safely holds
• Listed item weight of 16 ounces conflicts with a metal floor-standing rack; the listing does not clarify, so verify actual weight and dimensions before buying

Who it is for / who should skip it: Pick it if you want an integrated towel rack at the lowest height. Skip it if you need the smallest floor footprint or verified shelf weight limits.

3. 3 Tier Over The Toilet Storage Rack, Bathroom Organizer — Smallest listed footprint

Listed details: dimensions 9.8″ D × 23.6″ W × 66″ H; item weight 3.6 kg; material Metal; color White.

The listing states the 3 Tier Over The Toilet Storage measures 9.8″ D x 23.6″ W x 66″ H, with a related line listing 23.6″ L x 9.8″ W x 66.1″ H, for a listed footprint of 1.61 sq ft, the smallest of the three. The listing states it is Metal in White, Modern style, with 3 shelves and item weight 3.6 kg. The listing states each tier holds up to 22 lbs and the height is adjustable to fit toilets 27″-33″ high. The listing states it includes 4 removable hooks and a built-in paper holder, with tool-free 15-minute assembly and a stable base that prevents tipping without drilling.

Pros

• Smallest listed footprint at 1.61 sq ft preserves the most floor space around the toilet
• Each tier is stated to hold up to 22 lbs, the only product here with a clear per-tier limit
• Adjustable height for toilets 27″-33″ high plus no-drill assembly helps renters and quick setup

Cons

• Only 3 shelves with no enclosed basket, so small items may need separate bins to stay organized
• At 66″ H it is taller than the 64″ H option, so measure ceiling and overhead obstructions
• Metal with white finish shows water spots; the listing does not state coating type or rust protection detail

Who it is for / who should skip it: Pick it if you want the smallest footprint with a stated 22 lbs per tier and tool-free setup. Skip it if you need four tiers or an included basket.

What to check before buying bathroom over tank storage

When buying bathroom over tank storage, start with footprint and clearance. Footprint is D x W converted to sq ft; here the listings state 1.61 sq ft, 1.63 sq ft, and 2.17 sq ft. Smaller saves floor space, but depth and width must clear the tank, baseboard, and side walls. Next, check overall height and adjustability. The listings state 64″ H, 66″ H to 66.1″ H, and 68.11″ H. Measure ceiling height and toilet height; only one listing states it fits toilets 27″-33″ high, so verify the others. Third, count tiers and included organizers. The listings state 3 shelves versus 4 tiers (three shelves plus a basket), and hooks and holders vary from 3 hooks to 4 hooks, with some adding a towel rack and toilet paper holder. Decide if you need a basket for small items or a rack for towels. Fourth, assess stability. Look for the method stated: X-shaped crossbar with wall fixing nails, securing straps, or a stable base with no drilling. Wall-anchored units resist tipping better but need permission to drill. Fifth, weigh materials and care. Listings state metal frames with P2 particleboard or all-metal; particleboard needs moisture management, while coated steel resists rust if the coating is intact. Finally, confirm load limits. Only one listing states 22 lbs per tier; the others do not state capacity, so do not assume.

Worked example: fit math for these three options

This worked example is our own planning arithmetic from the listed dimensions, not test results. The wall length and walkway width are assumed example values; replace them with your measurements.

Wall example. Assume 36 inches of clear wall.

• Kalrin Over-The-Toilet Storage Rack: 36 − 23.82 = 12.18 inches spare; centred, 6.09 inches on each side before trim, plugs or curtains.
• Simple Trending Over The Toilet Storage: 36 − 13 = 23 inches spare; centred, 11.5 inches on each side before trim, plugs or curtains.
• 3 Tier Over The Toilet Storage: 36 − 23.6 = 12.4 inches spare; centred, 6.2 inches on each side before trim, plugs or curtains.

Walkway example. The US Access Board gives 36 inches as the minimum clear width for an accessible route. That figure is a yardstick, not a rule for private homes. To keep 36 inches clear beside each product, the walkway between it and the opposite obstacle must be at least 36 inches plus its depth:

• Kalrin Over-The-Toilet Storage Rack: 36 + 9.84 = 45.84 inches of total path width.
• Simple Trending Over The Toilet Storage: 36 + 24 = 60 inches of total path width.
• 3 Tier Over The Toilet Storage: 36 + 9.8 = 45.8 inches of total path width.

Footprint. Depth × width, converted at 144 square inches per square foot:

• Kalrin Over-The-Toilet Storage Rack: 9.84 × 23.82 = 234.39 sq in, or 1.63 sq ft.
• Simple Trending Over The Toilet Storage: 24 × 13 = 312 sq in, or 2.17 sq ft.
• 3 Tier Over The Toilet Storage: 9.8 × 23.6 = 231.28 sq in, or 1.61 sq ft.

Mistakes to avoid

• Ignoring footprint and toilet clearance. Measuring only width misses depth over the tank and side-wall fit; compare the stated D x W and total height to your toilet and walls before ordering.
• Assuming weight limits. Two listings do not state tier capacity, so loading heavy shampoo bottles or towels without a stated limit risks sagging; choose the model that states 22 lbs per tier if you need heavy storage.
• Forgetting moisture and anchoring. Particleboard shelves and uncoated steel can swell or rust in steamy bathrooms, and freestanding racks without wall straps or nails can wobble; confirm material care and stability hardware.
• Overfilling hooks and paper holders. Adding more than the included 3 or 4 hooks or overloading the paper holder can block the flush handle or tank lid access; plan hook placement and leave lid clearance.

Related guides

• best over the toilet storage cabinets
• best cube storage organizers for small rooms
• best storage cabinets for home office

Frequently asked questions

Will these fit over any toilet?

The listings state different footprints and heights: 24″ D x 13″ W x 64″ H, 9.8″ D x 23.6″ W x 66″ H, and 9.84″ D x 23.82″ W x 68.11″ H. Only one states it fits toilets 27″-33″ high with adjustable height. Measure your toilet’s width, depth, tank height, and surrounding walls, then compare to the specific D x W x H stated.

How much weight can each shelf hold?

Only the 3 Tier Over The Toilet Storage listing states a limit of up to 22 lbs per tier. The other two listings do not state per-tier or total capacity. If you plan to store heavy bottles, towels, or baskets, choose a model with a stated limit or contact the seller to verify before loading.

Do I need to drill or anchor the rack?

The Kalrin listing states wall fixing nails plus an X-shaped crossbar, and the Simple Trending listing states securing straps. The 3 Tier listing states no drilling required with a stable base. Use the method the listing states, check renter restrictions, and ensure the unit cannot tip if bumped.

Which is best for a very small bathroom?

Smallest listed footprint is 1.61 sq ft, followed by 1.63 sq ft, then 2.17 sq ft. The 1.61 sq ft option also states 22 lbs per tier and tool-free assembly. If floor space is tight, prioritize the smallest footprint; if you need a towel rack and the lowest height, the 2.17 sq ft, 64″ H model trades space for that feature.

Products worth checking

We have not tested these products. Sizes and features come from the Amazon listings as we read them; where a listing does not say, we say so.

Sources checked

• US Access Board guide to clear width
• Amazon listing for Kalrin Over-The-Toilet Storage Rack, 4-Tier Bathroom Organizer Shelf Over Toilet with Adjustable Shelf and Basket, Freestanding Space Saver Bathroom Shelves Above Toilet for Room (Vintage Brown)
• Amazon listing for Simple Trending Over The Toilet Storage Cabinet, Metal Bathroom Shelf Organizer with Paper Holder and Hooks, 3 Tier, Black
• Amazon listing for 3 Tier Over The Toilet Storage Rack, Bathroom Organizer

Specifications come from the Amazon listings as we read them for this guide. Product details and availability can change, so confirm on the product page before you buy.

How we research our guides