Custom Home Additions Contractor in Louisville, KY

At Smithfield Development, we specialize in turning your house into the home of your dreams. Based in Louisville, KY, we offer expertly designed and constructed home additions that enhance functionality, increase space, and elevate your property’s value. Whether you’re looking to create a peaceful sunroom retreat or expand your living area with a garage conversion, our experienced team is here to bring your vision to life.

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Experienced Professionals: Our team brings years of experience to every project.

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Customized Solutions: We work closely with you to design a home addition that fits your needs.

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Local Experience: As a Louisville-based company, we understand local building codes and regulations.

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Quality Materials:  We use only high-quality materials to ensure long lasting results.

Why Choose Smithfield for Your Home Additions Contractor?

Choose Smithfield Development in Louisville, KY today for all of your home addition needs! We promise you will love the results!

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Our Room Addition Offerings

Sunroom Additions

Our sunroom additions are designed to maximize natural light while maintaining energy efficiency. Whether you want a reading nook or an indoor garden, our team will tailor your sunroom to fit your lifestyle and design preferences.

Garage Conversions

Is your garage underutilized? Transform it into a functional living space with our garage conversion services. From creating a home office to building a guest suite, we’ll help you make the most of your existing square footage.

Bump Outs

Need just a little extra space? A bump out addition is the perfect solution. These small expansions can make a big impact, whether you’re enlarging a kitchen, adding a walk-in closet, or creating a more spacious bathroom.

Finished Basements

Turn your basement into a versatile living area with our finishing services. Whether you dream of a home theater, gym, playroom, or extra bedroom, we’ll help you design and construct a finished basement that suits your needs.

Commonly Asked Home Addition Questions

  • What types of home additions do you build in Louisville?

    At Smithfield Development, we design and build a variety of home additions, including:


    • Room extensions and bonus rooms
    • Second-story additions
    • Sunrooms and four-season rooms
    • Garage conversions and new garages
    • In-law suites and guest apartments

    Each project is custom-designed to match your existing architecture and meet your family's unique needs — from added space to increased home value.

  • How long does a typical home addition project take?

    Home additions vary in complexity, but most projects take between 8 to 16 weeks from demolition to final walkthrough. We create a detailed schedule based on the scope of work, required permits, inspections, and material availability — and we keep you updated at every milestone.

  • Do I need designs or blueprints before contacting you?

    No — you can reach out even if you're just starting to explore ideas. We work with experienced draftsman and architects to help shape your vision. We’ll handle the architectural planning, 3D renderings, permitting, and material selection as part of our full-service process.

  • Will a home addition increase my property value?

    Yes — when well-designed and professionally built, home additions often significantly increase resale value and livability. We focus on high-impact improvements that add usable square footage, match the existing structure, and appeal to future buyers in the Louisville market. We can also guide you on which additions offer the best return on investment.

Start Your Home Addition Project Today

Ready to expand your living space? Smithfield Development is here to make your vision a reality. Contact us today for a free consultation, and let’s discuss how we can transform your home with an addition. Call us or fill out our form to get started!

Home Addition Blogs

Multi-Use Garages: How to Design a Space for Storage, Hobbies, and More
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Multi-Use Garages: How to Design a Space for Storage, Hobbies, and More
Attached vs. Detached Garages: Which One is Right for Your Home?
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Building a Garage Before Winter Hits: Protect Your Home and Vehicles
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