Home DIY Garage Add a Garage Bump Out for More Space and Style

Add a Garage Bump Out for More Space and Style

When considering a home improvement project that involves expanding your living space, a garage bump out can be a practical […]

When considering a home improvement project that involves expanding your living space, a garage bump out can be a practical and versatile option.

This comprehensive guide will walk you through the ins and outs of adding a garage bump out to your existing structure.

From understanding the benefits to exploring various ideas and even delving into the financial aspects, this article covers everything you need to know about this valuable home addition.

What is a Garage Bump Out?

garage bump out

A garage bump out is an extension of your existing garage structure that can serve a variety of purposes.

It’s a clever way to create additional space without the need for a full-scale garage addition.

This extra space can be used for various purposes such as storage, a workshop, a mudroom, or even an extended living area.

Benefits of Adding a Garage Bump Out

The decision to invest in a garage bump out comes with several benefits. One of the primary advantages is the added space it provides, which can be tailored to your specific needs.

Whether you’re looking to create a dedicated storage area, a workspace for your DIY projects, or an organized mudroom to keep your home clean, a garage bump out offers endless possibilities.

Moreover, this addition can also increase the overall value of your property, making it a worthwhile investment.


The cost of a garage bump out can vary widely based on multiple factors, including the size of the bump out, the materials used, labor costs, and your location.

On average, the cost can range from a few thousand dollars to tens of thousands, depending on the complexity of the project.

It’s essential to obtain detailed quotes from contractors to get an accurate estimate tailored to your specific circumstances.

Here is a breakdown of the average costs for different size bump outs:

  • Small bump out (100 square feet): $20,000 to $30,000
  • Medium bump out (200 square feet): $30,000 to $40,000
  • Large bump out (300 square feet): $40,000 to $50,000

Factors Affecting the Cost of a Garage Bump Out

Several key factors influence the cost of a garage bump out. The dimensions of the bump out play a significant role, as larger additions will naturally require more materials and labor.

The choice of materials, such as siding, roofing, and flooring, can also impact costs. Labor costs can vary based on the complexity of the project and the availability of skilled contractors in your area.


Before embarking on a garage bump out project, it’s crucial to understand the permitting requirements in your local area.

Building codes and regulations can vary from place to place, and obtaining the necessary permits is essential to ensure the project is legal and up to code.

What Permits are Needed to Build a Garage Bump Out?

The permits required for a garage bump out can include building permits, zoning permits, and possibly even environmental permits.

Building permits are typically necessary to ensure that the construction meets safety and structural standards.

Zoning permits ensure that the addition complies with local zoning regulations. Depending on your location, you might also need to obtain environmental permits if the project could impact the surrounding ecosystem.

How to Get a Garage Bump Out Permit?

To obtain the required permits for your garage bump out, start by contacting your local building department or permitting office.

They will provide you with the necessary information and application forms. Be prepared to submit detailed plans and specifications for your project, including dimensions, materials, and construction methods.


Accurate and detailed plans are the foundation of a successful garage bump out project. Finding the right plans can make the construction process smoother and ensure that your vision becomes a reality.

Where to Find Garage Bump Out Plans?

Garage bump out plans can be found through various sources. Online platforms, architectural design firms, and home improvement books are excellent resources for finding a wide range of plans to choose from.

When browsing plans, focus on those that align with your intended use for the space and your overall aesthetic preferences.

How to Choose the Right Garage Bump Out Plans for Your Needs?

Selecting the right garage bump out plans involves considering both functional and aesthetic aspects.

Evaluate the plans based on factors such as the layout, the number of windows and doors, and the overall design.

Ensure that the plans also align with your budget and the available space on your property.


A garage bump out offers endless creative possibilities for enhancing your living space. Here are some ideas to consider:

  • Storage Space: Create a dedicated storage area for items such as gardening tools, seasonal decorations, and outdoor equipment.
  • Workshop: Design a workshop where you can pursue your DIY projects, woodworking, or other hobbies.
  • Mudroom: Craft a functional mudroom to keep dirt and clutter from entering your main living areas.
  • Extended Living Area: Expand your living space by adding a cozy sitting area, home office, or playroom.


Selecting a skilled and reliable contractor is essential for the success of your garage bump out project. Proper research and due diligence will help you find the right professional for the job.

How to Find a Good Garage Bump Out Contractor?

Start by asking for recommendations from friends, family, or neighbors who have undertaken similar projects. Online reviews and contractor directories can also provide valuable insights.

When interviewing potential contractors, inquire about their experience, licensing, insurance, and portfolio of previous projects.


Understanding your financing options is crucial when planning a garage bump out project. Different financing avenues can help you make your home addition a reality.

Financing Options Available for Garage Bump Outs

  • Personal Savings: If you have sufficient savings, using your own funds can be a straightforward financing option.
  • Home Equity Loan or HELOC: These options allow you to borrow against the equity in your home, typically offering lower interest rates.
  • Personal Loan: Unsecured personal loans can be used for home improvement projects, though they may come with higher interest rates.
  • Credit Cards: Using credit cards for financing should be approached with caution due to potentially high interest rates.

Before and After

Visualizing the transformation of your space can be inspiring. Here are some before-and-after photos of garage bump outs to showcase the potential of this home addition.


The dimensions of your garage bump out will depend on your specific needs and the available space on your property.

While there are no strict minimum or maximum dimensions, it’s essential to strike a balance between the added space and the overall aesthetics of your home.


In conclusion, a garage bump out is a versatile and valuable home addition that offers a range of benefits.

From creating extra storage to establishing a functional workshop or mudroom, the possibilities are virtually limitless.

By understanding the costs, permits, plans, and financing options, you can embark on a successful garage bump out project that enhances both the functionality and value of your home.


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