How to Build Garage Cabinets: A Comprehensive DIY Guide

Garage cabinets are essential for keeping your garage organized and maximizing storage space. Whether you’re looking to store tools, seasonal decorations, or any other items, building your own garage cabinets can be a rewarding and cost-effective solution.

In this comprehensive guide, we’ll walk you through every step of the process, from planning and design to construction and installation. By the end of this article, you’ll have all the knowledge you need to tackle this DIY project confidently. I recommend you bookmark this article so you can easily come back to this.

Planning Your DIY Garage Cabinet Project

Assessing Your Storage Needs

Before you start building your garage cabinets, it’s crucial to assess your storage needs. Take a look around your garage and make a list of the items you need to store. Are you looking to organize tools, sports equipment, gardening supplies, or something else? Identifying your storage needs will help you determine the size and type of cabinets you’ll need.

Consider future storage needs as well. It’s always a good idea to build a bit more storage than you currently need to accommodate future items. Think about whether you need base cabinets, wall cabinets, or a combination of both. Base cabinets are great for heavy items and tools, while wall cabinets can keep frequently used items within easy reach.

Measuring Your Garage Space

Accurate measurements are key to a successful DIY garage cabinet project. Start by measuring the available space in your garage. Use a tape measure to get the dimensions of the walls where you plan to install the cabinets. Be sure to account for obstacles like garage door tracks, electrical outlets, and windows.

Tips for accurate measurements:

  • Measure twice to ensure accuracy.
  • Mark the measurements on a sketch or blueprint of your garage.
  • Consider the height of your ceiling and how high you want your wall cabinets to be.

Having precise measurements will help you create a layout that fits your space perfectly and avoids any surprises during installation.

Choosing the Right Materials

The material you choose for your garage cabinets will impact their durability and appearance. Plywood is a popular choice for DIY garage cabinets due to its strength and versatility. Birch plywood, in particular, is known for its smooth surface and durability. Check out my article on the different types of materials used for garage cabinets to learn more.

Types of plywood:

  • Birch plywood: Strong, smooth, and ideal for cabinet construction.
  • MDF (Medium-Density Fiberboard): Smooth and easy to work with, but less durable than plywood.
  • OSB (Oriented Strand Board): Affordable but may not be as smooth or durable as plywood.

Consider the pros and cons of each material and choose the one that best fits your needs and budget.

Tools You Will Need

Having the right tools is essential for building garage cabinets. Here’s a list of essential tools you’ll need for this project:

  • Table saw: For cutting large sheets of plywood.
  • Miter saw: For making precise crosscuts and angled cuts.
  • Circular saw: For cutting plywood to size.
  • Pocket hole jig: For creating strong, hidden joints.
  • Drill and driver: For assembling the cabinets and installing hardware.
  • Clamps: To hold pieces together while the glue dries.
  • Measuring tape: For accurate measurements.
  • Level: To ensure your cabinets are level during installation.
  • Sanding tools: For smoothing edges and surfaces.

Optional tools that can make the job easier include a router for creating decorative edges and a jigsaw for cutting curves or irregular shapes. Having the right tools on hand will make the construction process more efficient and enjoyable. You don’t necessarily need to own these tools. You can rent them from your local Home Depot, or a woodworking shop near you.

Designing Your Garage Cabinets

Creating a Layout

Designing your garage cabinets starts with creating a layout that maximizes your available space while meeting your storage needs. Begin by sketching a rough layout of your garage, including all the measurements you took earlier. This will help you visualize how your cabinets will fit into the space.

Steps to create a layout:

  1. Sketch the garage walls: Include any obstacles like doors, windows, and outlets.
  2. Plan cabinet placement: Decide where you want to place base cabinets, wall cabinets, and any upper cabinets. Consider ease of access and workflow in your garage.
  3. Determine cabinet sizes: Based on your storage needs, decide on the dimensions for each cabinet. Standard base cabinets are typically 24 inches deep and 34.5 inches tall, while wall cabinets are usually 12-16 inches deep and 30 inches tall.

Using graph paper or a digital design tool can help you create a more accurate and detailed layout. This step is crucial for ensuring that your cabinets fit perfectly in your garage and provide the storage you need.

Selecting Cabinet Dimensions

Choosing the right dimensions for your garage cabinets is essential for functionality and aesthetics. While there are standard dimensions, customizing the sizes to fit your specific needs can make your cabinets more useful.

Standard cabinet dimensions:

  • Base cabinets: 24 inches deep, 34.5 inches tall.
  • Wall cabinets: 12-16 inches deep, 30 inches tall.
  • Upper cabinets: Typically the same depth as wall cabinets but can vary in height.

Customizing cabinet sizes:

  • Height: If you have high ceilings, consider taller cabinets to maximize vertical storage.
  • Depth: Deeper cabinets can hold larger items but may protrude into your workspace.
  • Width: Varies based on available space and storage needs. Common widths are 12, 18, 24, and 36 inches.

Using these standard dimensions as a starting point, you can adjust the sizes to fit your garage layout and storage requirements.

Features to Consider

When designing your garage cabinets, think about the features that will make them more functional and convenient. Here are some features to consider:

  • Adjustable shelves: This allows you to customize the interior space to fit different items.
  • Cabinet doors: Keep items out of sight and protect them from dust.
  • Drawers: Ideal for storing smaller tools and accessories.
  • Open shelving: Provides easy access to frequently used items.
  • Worktop: A sturdy work surface on top of base cabinets for projects and repairs.

Pros and cons of different features:

  • Adjustable shelves: Flexible but may require more hardware.
  • Cabinet doors: Neat appearance but can make access slightly less convenient.
  • Drawers: Organized storage but more complex to build.
  • Open shelving: Easy access but can look cluttered.

Choosing the right features for your garage cabinets will enhance their functionality and make them more suited to your specific needs.

Building the Cabinet Frame

Cutting the Plywood

Cutting plywood accurately is a critical step in building garage cabinets. Precise cuts ensure that your cabinet pieces fit together properly and create a sturdy structure. Here’s how to do it:

Steps for cutting plywood:

  1. Measure and mark: Use a tape measure and pencil to mark the dimensions on the plywood sheets.
  2. Set up your saw: For straight cuts, a table saw is ideal. A circular saw with a guide can also be used for long cuts.
  3. Make the cuts: Follow the marked lines carefully. If using a circular saw, use a straight edge or guide to keep your cuts straight.
  4. Label the pieces: As you cut each piece, label it (e.g., “side panel,” “top,” “bottom”) to keep track of all the parts.

Tips for cutting plywood:

  • Use a sharp blade to prevent splintering.
  • Cut slowly to maintain control and accuracy.
  • Wear safety goggles and ear protection.

Having accurately cut pieces is the foundation for a successful cabinet build.

Assembling the Cabinet Box

Once you have all your pieces cut, it’s time to assemble the cabinet box. This is the main structure of your cabinet and needs to be strong and square.

Steps for assembling the cabinet box:

  1. Lay out the pieces: Arrange the side panels, top, and bottom pieces on a flat surface.
  2. Drill pocket holes: Use a pocket hole jig to drill holes in the edges of the top and bottom pieces. This will create strong, hidden joints.
  3. Apply wood glue: Apply a thin layer of wood glue to the edges of the pieces that will be joined.
  4. Clamp and screw: Clamp the pieces together and drive pocket hole screws into the pre-drilled holes to secure the joints.
  5. Check for square: Use a carpenter’s square to ensure the box is square. Adjust as needed before the glue dries.

Tips for a sturdy cabinet box:

  • Use clamps to hold pieces in place while you screw them together.
  • Double-check all measurements before drilling and assembling.
  • Allow the glue to dry completely before moving on to the next step.

Adding the Cabinet Back

The back of the cabinet adds stability and helps keep the structure square. It’s usually made from a thinner piece of plywood or hardboard.

Steps for adding the cabinet back:

  1. Cut the back panel: Measure and cut the back panel to fit the assembled cabinet box.
  2. Position the panel: Lay the cabinet box face down and position the back panel on top.
  3. Secure the panel: Use wood glue and nails or screws to attach the back panel to the cabinet box. Ensure it’s flush with the edges of the box.
  4. Check for square: Ensure the cabinet box remains square as you attach the back panel.

Tips for a secure back panel:

  • Use a nail gun for quick and secure attachment.
  • Reinforce with screws if the cabinet will hold heavy items.
  • Ensure the back panel is flush with the edges to prevent gaps.

Installing Shelves and Dividers

Measuring and Cutting Shelves

Shelves are essential components of your garage cabinets, providing storage for tools, supplies, and other items. Accurate measurements and cuts are crucial to ensure the shelves fit perfectly inside the cabinet.

Steps for measuring and cutting shelves:

  1. Measure the interior width and depth: Use a tape measure to determine the exact width and depth of the inside of the cabinet.
  2. Mark the plywood: Transfer these measurements to your plywood sheets, marking the cuts with a pencil.
  3. Cut the shelves: Use a miter saw or circular saw to make the cuts. Ensure the edges are smooth and even.

Tips for cutting shelves:

  • Double-check measurements before cutting to avoid mistakes.
  • Use a straight edge or guide for clean, straight cuts.
  • Sand the edges of the shelves to remove splinters and rough spots.

Installing Adjustable Shelves

Adjustable shelves provide flexibility, allowing you to reconfigure your storage space as needed. Installing adjustable shelves involves using shelf pins and pre-drilled holes.

Steps for installing adjustable shelves:

  1. Mark shelf pin locations: On the inside of the cabinet, mark the locations for the shelf pins. Ensure the marks are level and evenly spaced.
  2. Drill holes for shelf pins: Use a drill with a shelf pin jig to drill holes at the marked locations. The holes should be the same depth and diameter as the shelf pins.
  3. Insert shelf pins: Insert the shelf pins into the drilled holes. Ensure they are securely in place.
  4. Place the shelves: Position the shelves on top of the shelf pins, adjusting the height as needed.

Tips for installing adjustable shelves:

  • Use a shelf pin jig for consistent and accurate hole spacing.
  • Ensure the marks for the shelf pins are level to prevent uneven shelves.
  • Choose sturdy shelf pins that can support the weight of items stored on the shelves.

Adding Dividers for Custom Storage

Dividers can help organize your garage cabinets by creating separate compartments for different items. This is particularly useful for storing tools, small parts, and other items that can easily get mixed up.

Steps for adding dividers:

  1. Measure and cut dividers: Measure the interior dimensions of the cabinet and cut the dividers to size using a miter saw or circular saw.
  2. Drill pocket holes: Use a pocket hole jig to drill holes in the edges of the dividers. This will allow you to attach them to the cabinet securely.
  3. Position the dividers: Arrange the dividers inside the cabinet, positioning them where needed.
  4. Secure the dividers: Apply wood glue to the edges of the dividers and use pocket hole screws to attach them to the cabinet. Ensure they are level and securely in place.

Tips for adding dividers:

  • Use clamps to hold the dividers in place while you attach them.
  • Double-check measurements to ensure a snug fit.
  • Consider using adjustable dividers for more flexibility.

Building and Installing Cabinet Doors

Types of Cabinet Doors

Choosing the right type of cabinet doors is essential for both functionality and aesthetics. There are several styles to consider, each with its own advantages.

Types of cabinet doors:

  • Overlay doors: These doors sit on top of the cabinet frame, covering the entire front. They are easy to install and provide a clean, modern look.
  • Inset doors: These doors fit inside the cabinet frame, creating a flush appearance. They require more precise measurements and installation but offer a classic look.
  • Partial overlay doors: These doors partially cover the cabinet frame, leaving some of the frame visible. They are a compromise between overlay and inset doors.

Pros and cons of each type:

  • Overlay doors: Easy to install but may require more hardware.
  • Inset doors: Sleek appearance but more challenging to install.
  • Partial overlay doors: Balanced look but requires careful measurement.

Cutting and Assembling Cabinet Doors

Once you’ve chosen the type of cabinet doors you want, it’s time to cut and assemble them. Precision is key to ensuring the doors fit perfectly and operate smoothly.

Steps for cutting and assembling cabinet doors:

  1. Measure the cabinet openings: Measure the height and width of the cabinet openings to determine the size of the doors.
  2. Cut the door panels: Use a table saw or circular saw to cut the door panels to size. For overlay doors, add extra width and height to cover the cabinet frame.
  3. Assemble the door frame: If you’re building framed doors, cut the stiles (vertical pieces) and rails (horizontal pieces) to size. Use wood glue and pocket hole screws to assemble the frame.
  4. Attach the door panel: For framed doors, attach the door panel to the frame using wood glue and clamps. Ensure the panel is centered and secure.

Tips for cutting and assembling doors:

  • Use a straight edge or guide for precise cuts.
  • Sand the edges and surfaces for a smooth finish.
  • Ensure the door panels are square before assembly.

Installing Cabinet Doors

Installing the cabinet doors is the final step in building your garage cabinets. Proper installation ensures the doors operate smoothly and align correctly.

Steps for installing cabinet doors:

  1. Mark hinge locations: On the cabinet frame, mark the locations for the hinges. Ensure the marks are level and evenly spaced.
  2. Attach hinges to the doors: Use a drill to attach the hinges to the cabinet doors. Ensure the hinges are aligned and secure.
  3. Position the doors: Hold the doors in place on the cabinet frame and mark the locations for the hinge screws.
  4. Attach the doors: Use a drill to attach the doors to the cabinet frame. Adjust the hinges as needed to ensure the doors are level and operate smoothly.

Tips for installing cabinet doors:

  • Use a level to ensure the doors are straight.
  • Adjust the hinges to achieve a perfect fit.
  • Test the doors to ensure they open and close smoothly.

Finishing Your Garage Cabinets

Sanding and Prepping for Paint

Before painting or staining your garage cabinets, it’s essential to sand and prep the surfaces to ensure a smooth, professional finish. Proper preparation will help the paint or stain adhere better and result in a more durable finish.

Steps for sanding and prepping:

  1. Sand the surfaces: Use a sanding block or orbital sander with medium-grit sandpaper (120-150 grit) to sand all surfaces, including edges and corners. Sanding removes rough spots and prepares the wood for finishing.
  2. Fill holes and gaps: Use wood filler to fill any holes, gaps, or imperfections. Allow the filler to dry completely, then sand it smooth.
  3. Clean the surfaces: Wipe down all surfaces with a damp cloth to remove dust and debris. Ensure the surfaces are clean and dry before proceeding.

Tips for sanding and prepping:

  • Sand in the direction of the wood grain to avoid scratches.
  • Use fine-grit sandpaper (220 grit) for a final pass to achieve a smooth finish.
  • Wear a dust mask and safety goggles to protect yourself from dust.

Painting or Staining Your Cabinets

Choosing the right finish for your garage cabinets is essential for both aesthetics and durability. Paint provides a wide range of color options, while stain enhances the natural beauty of the wood.

Steps for painting your cabinets:

  1. Prime the surfaces: Apply a coat of primer to all surfaces. Primer helps the paint adhere better and provides a uniform base. Allow the primer to dry completely.
  2. Apply the paint: Use a high-quality paintbrush or roller to apply the paint. Apply thin, even coats, allowing each coat to dry before applying the next. Two to three coats are usually sufficient.
  3. Sand between coats: Lightly sand between coats with fine-grit sandpaper (220 grit) to achieve a smooth finish. Wipe away dust before applying the next coat.

Steps for staining your cabinets:

  1. Apply the stain: Use a clean cloth or brush to apply the stain in the direction of the wood grain. Apply an even coat and allow it to penetrate the wood for a few minutes.
  2. Wipe off excess stain: Use a clean cloth to wipe off any excess stain. The longer you leave the stain on, the darker the color will be.
  3. Apply a topcoat: Once the stain is dry, apply a clear topcoat (such as polyurethane) to protect the wood and enhance the finish. Apply two to three coats, allowing each coat to dry before applying the next.

Tips for painting and staining:

  • Use high-quality brushes and rollers for a smooth finish.
  • Work in a well-ventilated area to avoid fumes.
  • Follow the manufacturer’s instructions for drying times and application techniques.

Adding Hardware

Hardware, such as handles and knobs, adds the finishing touch to your garage cabinets. Choose hardware that complements the style of your cabinets and provides easy access to the contents.

Steps for adding hardware:

  1. Choose the hardware: Select handles, knobs, or pulls that match the style and finish of your cabinets. Consider the size and placement for functionality.
  2. Mark the locations: Use a template or measuring tape to mark the locations for the hardware on the cabinet doors and drawers. Ensure the marks are level and evenly spaced.
  3. Drill pilot holes: Use a drill with a small bit to drill pilot holes at the marked locations. Pilot holes prevent the wood from splitting when attaching the hardware.
  4. Attach the hardware: Use screws to attach the handles, knobs, or pulls to the cabinet doors and drawers. Ensure they are secure and aligned correctly.

Tips for adding hardware:

  • Use a template to ensure consistent placement of hardware.
  • Double-check measurements before drilling.
  • Tighten screws securely but avoid over-tightening, which can damage the wood.

Installing Your Garage Cabinets

Once you’re done building the garage cabinets, the next step is to actually install it in your garage. I have a dedicated guide on installing garage cabinets for those who need an in-depth guide. However, the process is outlined here for your convenience. Let’s get into it.

Preparing the Garage Wall

Before installing your garage cabinets, it’s essential to prepare the wall to ensure a secure and level installation. Proper preparation will make the installation process smoother and help prevent any issues down the line.

Steps for preparing the garage wall:

  1. Locate and mark studs: Use a stud finder to locate the studs in the wall where you plan to install the cabinets. Mark the stud locations with a pencil. Studs provide the necessary support to hold the weight of the cabinets.
  2. Clear the area: Remove any obstacles, such as shelves, hooks, or items stored on the wall. Ensure the area is clean and free of debris.
  3. Measure and mark cabinet placement: Measure and mark the locations where the cabinets will be installed. Use a level to ensure the marks are straight and level.

Tips for preparing the wall:

  • Mark the stud locations at both the top and bottom of the cabinet placement area.
  • Double-check measurements and marks to ensure accuracy.
  • Use a level to ensure all marks are straight and even.

Installing Base Cabinets

Base cabinets provide a sturdy foundation for your garage storage system. Proper installation ensures they are level and securely attached to the wall.

Steps for installing base cabinets:

  1. Position the cabinets: Place the base cabinets in their designated positions against the wall. Use shims to adjust the height and ensure the cabinets are level.
  2. Attach to the wall: Drill pilot holes through the back of the cabinet into the wall studs. Use screws to secure the cabinet to the wall. Ensure the screws are driven into the studs for maximum support.
  3. Connect cabinets together: If you have multiple base cabinets, use clamps to hold them together. Drill pilot holes through the sides of the cabinets and use screws to connect them securely.
  4. Check for level: Use a level to ensure the cabinets are level from side to side and front to back. Adjust shims as needed.

Tips for installing base cabinets:

  • Use long screws (at least 3 inches) to ensure a secure attachment to the studs.
  • Check for level frequently during the installation process.
  • Use clamps to hold cabinets together while securing them.

Installing Wall Cabinets

Wall cabinets provide additional storage space and keep frequently used items within easy reach. Proper installation ensures they are securely attached and aligned with the base cabinets.

Steps for installing wall cabinets:

  1. Mark the height: Use a measuring tape and level to mark the height where the bottom of the wall cabinets will be installed. Ensure the marks are level and correspond with the base cabinets.
  2. Install a ledger board: Attach a temporary ledger board to the wall at the marked height. This board will support the weight of the wall cabinets during installation.
  3. Position the cabinets: Lift the wall cabinets onto the ledger board and position them against the wall. Use clamps to hold the cabinets in place.
  4. Attach to the wall: Drill pilot holes through the back of the cabinet into the wall studs. Use screws to secure the cabinet to the wall. Ensure the screws are driven into the studs for maximum support.
  5. Connect cabinets together: If you have multiple wall cabinets, use clamps to hold them together. Drill pilot holes through the sides of the cabinets and use screws to connect them securely.
  6. Remove the ledger board: Once the cabinets are securely attached, remove the temporary ledger board.

Tips for installing wall cabinets:

  • Use a helper to lift and position the wall cabinets.
  • Ensure the wall cabinets are level and aligned with the base cabinets.
  • Use long screws (at least 3 inches) for secure attachment to the studs.

Additional Tips and Tricks

Maximizing Storage Space

Maximizing storage space in your garage cabinets is key to keeping your garage organized and clutter-free. Here are some creative ideas to help you get the most out of your cabinets:

Ideas for maximizing storage space:

  1. Use vertical space: Install tall cabinets or add extra shelves within your existing cabinets to utilize vertical space.
  2. Incorporate hooks and racks: Attach hooks and racks inside cabinet doors or on the sides of cabinets to store smaller items like tools and accessories.
  3. Use bins and baskets: Organize smaller items in bins and baskets that can be easily pulled out and accessed.
  4. Add pull-out trays: Install pull-out trays or drawers to make it easier to access items stored at the back of the cabinets.
  5. Label everything: Use labels to identify the contents of each cabinet or shelf, making it easier to find what you need quickly.

Tips for maximizing storage space:

  • Regularly declutter and reorganize your cabinets to keep them efficient.
  • Use clear bins and containers to easily see the contents.
  • Group similar items together for easier access and organization.

Maintaining Your Garage Cabinets

Proper maintenance will keep your garage cabinets looking great and functioning well for years to come. Here are some tips to help you maintain your cabinets:

Tips for maintaining your garage cabinets:

  1. Clean regularly: Wipe down the surfaces of your cabinets with a damp cloth to remove dust and dirt. Use a mild detergent for stubborn stains.
  2. Check for damage: Periodically inspect your cabinets for any signs of damage, such as loose screws, cracked wood, or peeling paint. Address any issues promptly to prevent further damage.
  3. Lubricate hinges and slides: Apply a small amount of lubricant to the hinges and drawer slides to keep them operating smoothly.
  4. Avoid overloading shelves: Be mindful of the weight limits of your shelves and avoid overloading them to prevent sagging or damage.
  5. Repaint or refinish as needed: If the paint or finish on your cabinets starts to wear, consider repainting or refinishing them to keep them looking fresh and new.

Tips for long-lasting cabinets:

  • Use high-quality materials and hardware during construction.
  • Follow the manufacturer’s instructions for cleaning and maintenance products.
  • Perform regular maintenance to catch and address issues early.

Common Questions and Troubleshooting

What if My Garage Floors Are Uneven?

Uneven garage floors can pose a challenge when installing base cabinets. However, there are several solutions to address this issue:

Solutions for uneven floors:

  1. Use adjustable legs: Install adjustable legs on your base cabinets to level them on uneven floors. Adjust the legs to the desired height to ensure the cabinets are level.
  2. Shim the cabinets: Use shims to level the cabinets. Place shims under the low points of the cabinets until they are level. Secure the shims in place with construction adhesive.
  3. Build a level platform: Construct a level platform using plywood or lumber. Place the platform on the uneven floor and install the cabinets on top of it.

Tips for dealing with uneven floors:

  • Use a level to check the cabinets frequently during installation.
  • Secure the cabinets to the wall to prevent shifting or movement.
  • Ensure the cabinets are stable and do not rock or wobble.

How Do I Fix Misaligned Cabinet Doors?

Misaligned cabinet doors can be frustrating, but they can usually be fixed with some adjustments to the hinges.

Steps to fix misaligned cabinet doors:

  1. Check hinge screws: Ensure all hinge screws are tight. Loose screws can cause doors to sag or become misaligned.
  2. Adjust the hinges: Most cabinet hinges have adjustment screws that allow you to move the door up, down, left, or right. Use a screwdriver to make small adjustments until the door is aligned.
  3. Check for obstructions: Ensure there are no obstructions preventing the door from closing properly. Remove any items that may be causing the misalignment.
  4. Replace damaged hinges: If the hinges are damaged or worn, replace them with new ones to ensure proper alignment and operation.

Tips for aligning cabinet doors:

  • Make small adjustments and check the alignment frequently.
  • Use a level to ensure the doors are straight.
  • Test the doors to ensure they open and close smoothly after adjustments.


Building your own garage cabinets is a rewarding DIY project that can help you organize and maximize your garage space. By following this comprehensive guide, you now have the knowledge and steps needed to successfully plan, design, construct, and install your garage cabinets. Whether you’re looking to store tools, sports equipment, or seasonal decorations, custom-built cabinets will provide the storage solution you need.

Remember, the key to a successful DIY project is careful planning, precise measurements, and attention to detail. Take your time and enjoy the process of creating a functional and organized garage space.

If you found this guide helpful, consider subscribing to our blog for more DIY projects and garage organization tips. We also offer printable building plans for garage cabinets to help you get started. Share your completed projects and experiences in the comments below – we’d love to see your work and hear your stories!

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