What’s the Cost of a Home Addition in Houma, LA?

If your home is starting to feel cramped—but you love your location in Houma, LA—adding onto your existing space may be the perfect solution. Whether it’s a new bedroom, larger kitchen, second-story addition, or sunroom, a home addition can significantly increase your property’s value and comfort.

But how much does a home addition actually cost in Houma? The answer depends on multiple factors—from the size and scope of the project to material choices, finishes, and permitting requirements. In this guide, we’ll break it all down so you can plan your project confidently.

Average Home Addition Costs in Houma, LA

While prices vary, here’s a general cost range for home additions in the Houma area:

Type of Addition	Estimated Cost (Per Square Foot)
Basic Room Addition	$130–$180 per sq ft
Mid-Range Addition (bedroom, office, etc.)	$180–$250 per sq ft
High-End Custom Addition	$250–$350+ per sq ft
Second Story Addition	$200–$400 per sq ft
Garage Conversion	$25,000–$50,000+
Full Master Suite	$50,000–$100,000+

Example: A 300-square-foot bedroom addition with mid-level finishes might cost around $55,000–$70,000, depending on your goals and materials.

What Factors Affect the Cost of a Home Addition?

The price of a home addition in Houma isn’t one-size-fits-all. Here are the major factors that influence your final investment:

1. Size of the Addition

More square footage means more materials, more labor, and higher costs. Larger projects like second stories or full master suites will be at the upper end of the pricing scale.

2. Type of Room

• A bedroom or office is relatively simple.

• A bathroom or kitchen addition involves plumbing, appliances, and high-end finishes.

• A second story involves major structural reinforcement.

  
  

3. Foundation Work

If a new slab or pier-and-beam foundation is needed, this will add significantly to your costs. Raised homes in Houma may also have additional framing needs.

4. Structural Complexity

Wall removals, roof extensions, or tie-ins to existing structures require more labor and engineering expertise.

5. HVAC, Plumbing & Electrical

Extending or upgrading your systems to accommodate the new space will add to the budget—especially if you're adding a bathroom or kitchen.

6. Permits and Inspections

In Houma and Terrebonne Parish, proper building permits are required. These come with fees, and your contractor should manage this process for you.

7. Custom Finishes and Materials

Luxury flooring, high-end cabinets, granite countertops, or custom lighting all raise the overall cost but can significantly enhance the value of the addition.

Most Popular Home Additions in Houma, LA

Here are some of the most common home additions we build for clients in Houma and the surrounding areas:

• Primary Bedroom Suites

• Sunrooms and Enclosed Porches

• Extended Kitchens or Dining Areas

• Additional Bathrooms

• Mother-in-Law Suites

• Second Story Additions

• Garage Conversions to Living Space

• Home Offices or Studios (great for remote workers)

  
  

Every project is custom-designed to match your home’s layout and architectural style.

Is a Home Addition Worth It?

In most cases, yes—especially if you're planning to stay in your home for several years or want to increase resale value.

Benefits of a Home Addition:

• Increased square footage

• Enhanced functionality

• Boosted property value

• Customization to fit your lifestyle

• More affordable than moving

  
  

According to Remodeling Magazine, major additions typically recoup 50%–70% of their cost in resale value, depending on the type of addition and location.

Permit Requirements for Home Additions in Houma

Before construction begins, you’ll need a building permit from Terrebonne Parish Planning and Zoning Department. Diego’s Improvements Contractor handles the entire permitting process on your behalf.

Common requirements include:

• Site plan or survey

• Engineering approval (for major structural changes)

• Plumbing/electrical inspection

• Final occupancy certificate

  
  

Failing to permit your addition can cause delays, fines, or problems when selling your home in the future.

FAQs About Home Additions in Houma

How long does a home addition take to build?

Most additions take 8 to 16 weeks depending on complexity, weather, and permit timing.

Can I live in my home during the project?

In most cases, yes. Our team works in phases to minimize disruption. For large projects, you may want to stay elsewhere for a few days.

What’s the first step to get started?

Schedule a consultation and estimate. We’ll assess your goals, take measurements, and provide a customized quote with a realistic timeline.

Do you offer custom design services?

Yes. We work with homeowners from concept to completion, offering custom design-build services so your addition fits perfectly with your existing structure.

Why Choose Diego’s Improvements Contractor?

As a locally owned and operated company based in Houma, LA, we offer:

• Over 10 years of experience in custom additions

• Licensed and insured general contracting

• Full design-to-build support

• Knowledge of local codes and permitting

• Transparent pricing and detailed project planning

• Experience working with insurance companies (for restoration-related additions)

  
  

From small extensions to full second-story builds, our team delivers expert craftsmanship and peace of mind.

Ready to Expand Your Houma Home?

Let’s make your home work better for your lifestyle. Whether you need more space for a growing family, a home office, or just more breathing room, we’re here to help.