Building custom garage cabinets will make it more efficient and functional than before. Building cabinets in the garage are one of the most common types of home renovations projects.

Today, you have plenty of choices when it comes to choosing the aesthetics as well as functionality for the garage cabinets. If you are planning for a DIY project then you can either buy one of those garage cabinet building kits or start everything from the scratch and build a custom cabinet system for your garage.

Benefits of Building Garage Cabinets

The storage cabinets in the garage come with many benefits. They can hold all the stuff that you store in their both heavy and light. This provides with clean and free floor space for your cars. Everything looks organized and safe as everything is in the right place.

You can always ask the professional builders to come and build the cabinets and keep it everything clean and professional. But, with an easy DIY, you can also build the perfect cabinets in the garage.

Here is How you can Build a Custom Garage Cabinet in just 5 Easy Steps:

Step 1 – Take the Measurements

This is the most important part of how to build a garage cabinet. Measure the size of the cabinet that you want to install on the walls or on the floors. If your garage space allows for a 7-inch wood cabinet, then always go with the actual measurement. You can adjust the height and width of the cabinets, but always remember to keep in proportion with the size of the garage.

Step 2 – Choose the Cabinet Style, Design, and Layout

Create a layout of the garage cabinet that you want to build. This will give you a clear idea of how and where you want to put your cabinets. You can install them on the walls or on the floor or both.

Look at the example of layout design:

You need to choose the style and design of cabinet you want to build. You can check out several designs on the internet and choose the one that matches your need.

Here are some design option for garage cabinets are:

  • Off the floor cabinets
  • Rolling cabinets
  • On-the-wall cabinets
  • Modular cabinets

Step 3 – Choose the right materials

The next step in how to build garage cabinet is to choose the materials for building your custom garage cabinets. Wood is the most classic choice, but there are plenty of other economical choices available as well.

  • The cheapest option is the plastic, but it cannot hold heavy stuff for long.
  • You can also choose aluminum or steel. They are lightweight, long-lasting and can easily hold heavy stuff. But on the downside, they are prone to corrosion.
  • Or you can choose wood with melamine skin. They are affordable and low maintenance as well. You don’t have to coat them like the metal cabinets.

Make sure you have the right tools required for building the cabinets like a table saw, hand saw, power drill, hammer, screwdriver, tape measures etc.

Step 4- Build the carcass and shelves  

The next step of how to build a garage cabinet is to create the carcass of a cabinet. It’s a rough box or the outer body of the cabinets. Cut the measured pieces from the materials you chose for your cabinet like wood. You can create multiple carcasses for the cabinets or a single one for small cabinets.

  • You can build French Clean Mounting for your cabinet to give a sturdy support. For that, you can lay out the notches on the back of the cabinets to install it on the support mount.
  • Create the notches in the joints of the carcass instead of gluing them to make the cabinet carcass stronger.
  • Cut the pieces for the number of shelves you want to have and draw the holes for the shelves.

Step 5 – Assemble everything

This is the last and the most important part of the garage cabinet building process. Now it’s time to glue everything together. Apply plenty of glue to put things together. Screw the pieces together with nails and make sure that they fit completely. Once you have assembled the whole thing now it’s time to mount them on the wall. Make sure the mounting board you prepared for the cabinet is well secured to the cabinet frame.

Make sure you have help while mounting it on the wall as it will require more hands to put the finished cabinet on the wall. Paint or use the melamine coating to finish the cabinet.


These are the 5 easy steps on how to build a garage cabinet tutorial. You can either do an easy DIY or ask the professionals to complete the job. Build the garage cabinets you always wanted and make space look more polished and organized.

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