Additions in Great Falls, Montana

Crafting Personalized Additions with Lasting Structural Strength

For homeowners in Great Falls, Montana, and nearby areas, including Sun River, Simms, Fairfield, Stockett, Sand Coulee, and Tracy, Lawhon Construction LLC has been a trusted name in home improvement and custom builds for over 30 years. Our commitment to quality, precision, and local craftsmanship has helped countless property owners expand their living spaces with seamless and stylish home additions. Whether you’re dreaming of a larger kitchen, a new bedroom, or an expanded family room, our team brings your vision to life with professionalism and expertise that only decades of experience can provide.


Every home addition project is unique, and that’s why we take the time to understand your specific goals, style preferences, and functional needs. We blend design, structure, and efficiency to create additions that not only enhance your home’s square footage but also its overall value and comfort. From concept to completion, every detail is carefully handled to ensure that your new space integrates perfectly with your home’s existing architecture, providing lasting beauty and functionality.


As one of the most experienced general contractors in the Great Falls area, we take pride in transforming houses into dream homes. Our team is familiar with Montana’s local building codes, climate challenges, and community aesthetics, which means every addition we construct stands strong against local weather while matching the region’s architectural charm. Whether you live in a cozy cottage in Fairfield or a family estate in Great Falls, we’re here to make sure your addition project exceeds expectations, both structurally and visually.

Our Addition Services

Room Additions

Our room additions are designed to create more functional and personalized spaces in your home. Whether you need an extra bedroom, office, or playroom, we ensure that your new space seamlessly integrates with your existing home design, both inside and out. Every project is crafted with durability and attention to detail for lasting satisfaction and aesthetic appeal.

Second-Story Additions

Expand upward without sacrificing yard space. Our second-story additions are ideal for growing families or homeowners wanting to enhance their property’s potential. We handle all structural considerations, design matching, and finishing work to ensure your second floor complements your existing structure and meets all safety and design standards.

Kitchen Expansions

A larger kitchen means more comfort and functionality. Our kitchen expansion services focus on increasing space for cooking, entertaining, and storage while maintaining a cohesive look with your current layout. From custom cabinetry to lighting and flooring, every element is planned and executed for long-term satisfaction and superior usability.

Bathroom Additions

Adding a bathroom increases convenience and boosts your home’s resale value. Our team manages every aspect of your bathroom addition—from plumbing to tile work—with precision and care. Whether it’s a luxurious master bath or a guest powder room, we deliver modern functionality, lasting style, and comfort.

Garage Conversions

Turn your underused garage into a functional living space. Our garage conversions allow homeowners to transform garages into bedrooms, offices, or entertainment areas. We handle insulation, flooring, electrical work, and finishing touches to make your converted space fully livable and aligned with your lifestyle needs.

Sunroom Additions

Bring natural light and relaxation into your home with a custom sunroom addition. These spaces are perfect for enjoying Montana’s scenic views year-round. Our team designs and builds sunrooms that balance comfort, energy efficiency, and durability—ideal for reading, entertaining, or simply unwinding in a bright, inviting atmosphere.

Benefits of Professional Home Addition Services

Enhanced Property Value

A well-designed home addition significantly boosts property value. Professional construction ensures that each detail—from foundation to finishing—is structurally sound and visually cohesive. With expert design integration and proper permits, your addition becomes a valuable long-term investment that appeals to future buyers while improving your current lifestyle.

Seamless Architectural Integration

Professional contractors ensure that new additions match your home’s existing architecture. Through expert design planning and material selection, the transition between old and new spaces appears natural. This consistency preserves your property’s aesthetic integrity while enhancing curb appeal and overall comfort without compromising design quality.

Code Compliance and Safety Assurance

Licensed professionals handle all permitting, zoning, and inspection requirements. This guarantees that your addition meets local building codes and safety standards. Proper adherence to structural and electrical codes not only safeguards the property but also protects occupants, offering peace of mind throughout construction and long after completion.

Efficient Project Management

Working with an experienced contractor ensures that your project remains on schedule and within budget. Professionals coordinate every aspect—from design to materials procurement and subcontractor supervision—ensuring that the process runs smoothly. The result is a streamlined experience that minimizes stress and maximizes overall project efficiency.

Superior Craftsmanship and Materials

Professional services ensure the use of premium-grade materials and advanced techniques. Skilled craftsmanship guarantees that every element of the addition is built to last, from the foundation to the finishing details. This commitment to quality construction creates durable, energy-efficient, and aesthetically pleasing spaces that stand the test of time.

Personalized Design Solutions

Experienced builders work closely with clients to design spaces tailored to specific needs and lifestyles. From layout adjustments to aesthetic detailing, each decision is made to reflect personal preferences and functional goals. This collaborative approach results in a one-of-a-kind addition that truly enhances living comfort and home usability.

Expanding Homes with Integrity and Precision

For over three decades, Lawhon Construction LLC has been redefining homes across Great Falls, Montana, and nearby areas, including Great Falls, Belt, Cascade, Ulm, Vaughn, and Fort Shaw, through skillfully designed home additions. Each project we undertake reflects our dedication to superior craftsmanship, integrity, and attention to detail. We believe that an addition is more than extra square footage—it’s an opportunity to create meaningful, comfortable spaces that improve everyday living and property value. Our experienced team brings together local expertise and professional precision to ensure every addition blends seamlessly with existing structures while meeting all safety and design standards. From the first design sketch to the finishing touches, we uphold the same principles of quality and reliability that have made us one of the region’s most respected general contractors. When you choose us, you’re not just expanding your home—you’re investing in lasting excellence built on trust, experience, and a deep understanding of the Great Falls community.

frequently asked questions

  • How long does a typical home addition project take in Great Falls, Montana?

    The timeline varies depending on size, complexity, and design, but most addition projects in Great Falls, Montana, typically take between 8 to 14 weeks. Factors such as weather, permits, and material availability can also influence completion times.

  • Why should I hire Lawhon Construction LLC for my addition project?

    With 30 years of experience, Lawhon Construction LLC combines craftsmanship, reliability, and deep local knowledge of Great Falls and the surrounding communities. Our team ensures your addition complements your existing structure and meets Montana’s building standards.

  • Do you handle permits and inspections for home additions?

    Yes, all necessary permits and inspections are handled by the construction team. This ensures your project meets all city and county building regulations, eliminating potential delays or legal complications during or after construction.

  • Can you design custom additions that match existing home styles?

    Absolutely. Every project is custom-designed to integrate with your home’s existing architecture and aesthetic seamlessly. From rooflines to exterior finishes, every element is matched to create a natural, cohesive extension of your property.

  • What areas near Great Falls, Montana, does Lawhon Construction LLC serve?

    Lawhon Construction LLC proudly serves homeowners throughout Great Falls and nearby areas including Sun River, Simms, Fairfield, Stockett, Sand Coulee, and Tracy. Our experience in these communities allows us to deliver tailored and reliable home addition services.

  • How much does a home addition cost in Great Falls?

    The cost depends on the project’s size, materials, and complexity. On average, additions in Great Falls, Montana, can range from moderate to high investment levels, but every project estimate is tailored to match budget goals and design expectations.

  • What makes home additions a better choice than moving?

    Additions allow homeowners to expand space without relocating. Instead of the cost and stress of moving, an addition provides greater comfort and functionality within your existing neighborhood—keeping the same address while adding more value.

  • Are your addition services covered by warranty in Great Falls, Montana?

    Yes, all addition projects completed by Lawhon Construction LLC in Great Falls, Montana, come with a workmanship warranty. This ensures lasting confidence in our construction quality, offering long-term peace of mind for every homeowner.

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