Best Modular Bookcases

Updated October 2020
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom Line
Pros
Cons
Best of the Best
Foremost Modular 5-in-1 Shelf Cube Storage System
Foremost
Modular 5-in-1 Shelf Cube Storage System
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Bottom Line

Sturdy, stylish construction that comes in multiple colors and design options

Pros

Available in espresso, honey, white, and black. Six stackable storage units that measure 15 inches by 15 inches each. Made with a combination of solid wood and PVC laminate. Holds up to 200 pounds in total.

Cons

This is the most expensive item on our list.

Best Bang for the Buck
AmazonBasics 4 Cube Wire Storage Shelves
AmazonBasics
4 Cube Wire Storage Shelves
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Bottom Line

A basic, budget-conscious choice if you don't need all the bells and whistles.

Pros

Durable, mild steel construction that is lightweight but lasts a long time. Comes in a four- or six-cube basic starter pack. Each cube measures 14 inches by 14 inches. Comes with a one-year warranty. Offered in white or black.

Cons

This is a low-cost option, so the quality isn't as high as other options.

LANGRIA Modular Shelving, DIY Closet Organization System, Plastic Wire Storage Cubes
LANGRIA
Modular Shelving, DIY Closet Organization System, Plastic Wire Storage Cubes
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Bottom Line

Multiple display choices and a unique style that is different from other options.

Pros

Each storage unit can hold up to 10 pounds. Each cube can be used separately or combined and stacked to make a customization storage unit. Long-lasting materials are made from biodegradable properties.

Cons

This is best used for lighter items, as it can fall apart easily under heavier weight.

SONGMICS Storage Cube Organizer with Rubber Hammer, 6-Cube Bookcase Cabinet
SONGMICS
Storage Cube Organizer with Rubber Hammer, 6-Cube Bookcase Cabinet
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Bottom Line

Three color options to match your style.

Pros

Hammer and everything you need to assemble in one box. Easy-to-clean and water-resistant design makes it great for kids rooms. 12-inch-by-12-inch storage cubes. Eco-friendly and safe for children and pets. Panels are rustproof and long-lasting.

Cons

Compared to other similar bookcases, this one is trickier to assemble.

Tespo Wire Cube Storage with 12 Individual Units
Tespo
Wire Cube Storage with 12 Individual Units
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Bottom Line

Great for organizing lots of items at a heavier weight.

Pros

Each cube measures 14 inches by 14 inches with 1.5 cubic feet of volume. This unit comes with 12 separate storage containers. Great option to use as a pet fence too. Rust-resistant steel is highly durable and long lasting. With tool-free assembly, this bookcase snaps quickly and easily in place.

Cons

This is a larger unit and isn't suited for smaller spaces.

How we decided

We purchase every product we review with our own funds — we never accept anything from product manufacturers.

32 Models Considered
24 Hours Researched
2 Experts Interviewed
145 Consumers Consulted
Zero products received from manufacturers.

We purchase every product we review with our own funds — we never accept anything from product manufacturers.

Modular bookcases are the perfect solution when you have a growing collection of items. As the number of items increases, you can add more areas to the modular bookcase. Adding more storage space looks natural, because the areas in the bookcase all match each other. Many people like modular bookcases because they can configure the shelves in different ways. This allows you to personalize the bookcase to your needs or to the space available. Often times, a modular bookcase will consist of a series of movable cubes. This configuration allows them to fit together tightly and to look natural in any layout. You often can add more cubes to your modular bookcase with additional purchases later.

Other Products We Considered
The BestReviews editorial team researches hundreds of products based on consumer reviews, brand quality, and value. We then choose a shorter list for in-depth research and testing before finalizing our top picks. These are the products we considered that ultimately didn't make our top 5.
TomCare
Modular Wire Cube System
SONGMICS
Modular Staircase Organizer
Greenstell
30-Cube Modular Bookcase
SONGMICS
Modular 12-Cube Bookcase
Greenstell
9-Cube Modular Bookcase
KOUSI
Modular Bookshelf Units
TomCare
Book Shelf Bookcase
Jaketen
Bookshelf 9-Cubes
Furinno
3-Tier Open Shelf Bookcase
ClosetMaid
Cubeicals Organizer
TomCare
Plastic Book Shelf Bookcase
SONGMICS
Modular Closet Cabinet
SONGMICS
Modular Bookcase
IRIS USA, Inc.
Modular Storage Box
C&AHOME
DIY Modular Book Shelf
JK furniture
9-Cubes Shelf Bookshelf
Jukert
9 Cube Storage Book case
C&AHOME
Modular Book Shelf
SONGMICS
Modular Bookcase
C&AHOME
Wire Cube Storage
C&AHOME
12-Cube Plastic Closet Cabinet
C&AHOME
Stackable Bookcase
C&AHOME
16-Cube Shelves Units
C&AHOME
Plastic Modular Book Shelf
SONGMICS
Cube Storage Organizer
Homeries
Bookcase for Bedroom
C&AHOME
Modular Book Shelf
SONGMICS
Modular Cabinet Bookcase
C&AHOME
9-Cube Storage Organizer
SIMPDIY
Storage Modular Cubes
See more
×

AmazonBasics

4 Cube Wire Storage Shelves

AmazonBasics

4 Cube Wire Storage Shelves

A basic, budget-conscious choice if you don't need all the bells and whistles.

$32
×

LANGRIA

Modular Shelving, DIY Closet Organization System, Plastic Wire Storage Cubes

LANGRIA

Modular Shelving, DIY Closet Organization System, Plastic Wire Storage Cubes

Multiple display choices and a unique style that is different from other options.

$39
×

SONGMICS

Storage Cube Organizer with Rubber Hammer, 6-Cube Bookcase Cabinet

SONGMICS

Storage Cube Organizer with Rubber Hammer, 6-Cube Bookcase Cabinet

Three color options to match your style.
$28
×

Tespo

Wire Cube Storage with 12 Individual Units

Tespo

Wire Cube Storage with 12 Individual Units

Great for organizing lots of items at a heavier weight.

$208
×

Foremost

Modular 5-in-1 Shelf Cube Storage System

Foremost

Modular 5-in-1 Shelf Cube Storage System

Sturdy, stylish construction that comes in multiple colors and design options
$155
Our Top Picks
Foremost Modular 5-in-1 Shelf Cube Storage System
Best of the Best
Foremost
Modular 5-in-1 Shelf Cube Storage System
Shop Now
AmazonBasics 4 Cube Wire Storage Shelves
Best Bang for the Buck
AmazonBasics
4 Cube Wire Storage Shelves
Shop Now
LANGRIA Modular Shelving, DIY Closet Organization System, Plastic Wire Storage Cubes
LANGRIA
Modular Shelving, DIY Closet Organization System, Plastic Wire Storage Cubes
Shop Now
SONGMICS Storage Cube Organizer with Rubber Hammer, 6-Cube Bookcase Cabinet
SONGMICS
Storage Cube Organizer with Rubber Hammer, 6-Cube Bookcase Cabinet
Shop Now
Tespo Wire Cube Storage with 12 Individual Units
Tespo
Wire Cube Storage with 12 Individual Units
Shop Now