Custom Home & Remodeling Blog | Debuty Builders, Inc.

The Complete Guide to Basement Finishing Costs in Knoxville, TN | Debuty Builders Inc.

Written by Debuty Builders | Jan. 13, 2025

Thinking about finishing your basement? There's probably a good reason if it’s been on your mind. Whether you’re planning to waterproof an existing space or considering a full basement addition, it’s important to understand the costs involved. In this guide, we’ll break down everything you need to know about basement finishing costs in Knoxville, Tennessee.

What is considered a Finished Basement?

A finished basement is more than just a space with furniture and lighting. It’s an extension of your home, designed for comfort, utility, and style. For a basement to be considered finished, it must meet specific standards. Here's what you can look for in a finished basement.

  • Insulation and Drywall: Proper insulation keeps your basement properly cooled and warmed, while drywall gives it a clean, polished look.
  • Flooring Options: Carpet, luxury vinyl, or engineered wood can keep your feet cozy all year long. 
  • Lighting Fixtures: Recessed lighting or strategically placed fixtures create an inviting atmosphere.
  • Heating, Cooling, and Ventilation: A finished basement needs to be heated, cooled, and ventilated.
  • Living Spaces: Common additions include bathrooms, wet bars, home offices, or entertainment areas.

How Much Value Does a Basement Remodel Add?

A basement remodel offers one of the highest returns on investment (ROI) for home improvements because it converts storage space to livable space. However, the value your basement remodel can add to your life cannot be understated. Comfortably using the empty space beneath your home for anything you'd like adds to your lifestyle in countless ways. Our various home services don't just provide you with financial value; they also give intrinsic value. 

 

What are the average costs per square foot for finishing a base in Knoxville?

On average, the cost to finish a basement in Knoxville ranges from $55 to $115+ per square foot, depending on finishes, size, and structural changes. Here’s a breakdown of three main types of finishes and what you might expect.

1. Basic Finish

A basic finish includes essential features like drywall, standard flooring, and basic lighting, starting at $55 per square foot. Basic isn't a bad thing, especially with basements.

2. Mid-Range Finish

A mid-range finish costs around $75–$90 per square foot; this level includes upgraded flooring, more sophisticated lighting, and additional features like built-ins or plumbing work.

3. High-End Finish

And finally, the high-end finish. You can expect to pay around $115+ per square foot, which includes luxury materials, custom cabinetry, or specialty spaces such as wine cellars or home theaters.

Is Adding a Basement Worth It?

If you're wondering if it's time to add or finish your basement, you're likely right. The space beneath your home can be converted into a livable place, allowing you to add square feet without touching the outside of your home. Whether starting fresh or completing a basement addition, our team can make your experience enjoyable. You can choose the finish that best suits your lifestyle and matches your goals. Your basement finishing contractor will discuss the options and let you know what's possible. At Debuty Builders, Inc., our goal is to finish (or add) your basement in a way that completes your home and benefits your lifestyle. 

 

How Do Design Choices and Functional Uses Impact the Cost of Basement Finishing?

Several factors influence the final cost of finishing your basement. Understanding these helps you budget effectively. Let's review a few factors and how they impact your expected cost. 

1. Structural Changes

Removing or relocating walls adds costs due to engineering and compliance with building codes. Upgrades to foundations or ceilings for stability or aesthetics also influence the price.

2. Finishes and Materials

Basic finishes like carpet and laminate flooring are more budget-friendly, but money isn't always everything. High-end finishes, such as hardwood floors or custom lighting, elevate the cost and the aesthetic appeal.

3. Amount of Space

The size of the basement significantly impacts overall costs. Larger spaces naturally require more materials and labor.

If you have a partially finished basement, completing it is often more economical than starting from scratch. The cost to finish a half-done space varies, depending on existing work and what upgrades you need. 

4. Bathroom Installation

Adding or upgrading a bathroom increases costs, especially if plumbing rough-ins aren’t already present. Bathrooms can account for a good chunk of your budget since the amount of detailed work and materials in them adds up quickly. 


What Are Some Common Unexpected Expenses in Basement Finishing Projects?

Basement remodeling projects often involve hidden challenges. Planning for these can save time and stress. Here are a few of the expenses that can pop up.

1. Waterproofing

Addressing leaks or moisture is essential for long-term durability. Waterproofing your basement is the epitome of finishing a basement. You don't want a space that grows mold or stays damp.

2. Foundation Repairs

Structural issues can arise unexpectedly once you've begun the basement remodeling process. These must be dealt with as part of your model, but the price can change. Some issues can't be seen until demolition has already begun. 

3. Building Codes and Compliance

Local regulations may require upgrades such as egress windows for bedrooms. The right builder adds these projected costs before work begins. Our team does not consider building codes and compliance a surprise cost, but they are an ingredient in the total price.

4. Plumbing and Electrical Updates

Older homes often need system upgrades to support modern features, including new plumbing additions and electrical updates. Your basement contractor should feel comfortable making these upgrades and talk you through why they need to be done.

 

Choosing the Right Basement Construction Company

Finding the right basement construction company is a critical step in ensuring your basement remodel meets your quality, cost, and timeline expectations. With numerous basement remodeling contractors and basement refinishing companies available in Knoxville, you need to know what to look for. Below, you'll find a list of green flags in a basement remodeler. 

1. Experience and Expertise

A reputable builder should have extensive experience in basement finishing projects. Look for companies specializing in basement construction and remodeling, as they will understand the unique challenges of working in below-grade spaces, such as moisture control and insulation.

2. Portfolio and References

Review portfolios to see completed projects similar to what you envision. Additionally, ask for client references to gauge their professionalism, communication, and quality of work. At Debuty Builders, Inc., we stand by our work; our portfolio is a testament to that.

3. Transparent Pricing

A reliable basement construction company will provide clear estimates detailing the cost to finish a basement per square foot and any potential additional expenses. The right company should also discuss factors that impact costs, such as structural changes or luxury finishes.

4. Communication and Tools

Choose a contractor that prioritizes clear communication and uses tools to keep projects on schedule and within budget. Your contractor should provide regular updates without being asked and respond to your inquiries quickly.

 

Why Choose Debuty Builders, Inc. for Your Basement Finishing Project?

There's no shortage of basement finishing companies in East Tennessee. Why choose us as your partner? Our focus isn't just on finishing basements but on giving you an incredible experience from the first day you work with us. 

Benefits of Partnering with Us

At Debuty Builders, Inc., we focus on creating spaces that match your personal style and practical needs, making your finished basement beautiful, practical, and built to last. We’re dedicated to delivering top-quality results by using premium materials and finishes so you enjoy being in your new space. Being a Knoxville-based company, we also understand the area's challenges, like managing moisture and meeting local building codes. Our experience means that your basement is designed and built to match your needs and your household's style. We're not just your basement remodeler but East Tennessee's basement remodeler.  

Contact Us

Ready to transform your basement into the space of your dreams? Contact us today for a consultation and take the first step toward your next home improvement project.