Additions IN Marietta, Georgia

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Expanding Your Living Space While Enhancing Your Home’s Value

In Marietta, Georgia, and across Cobb County, homeowners often reach a point where their space no longer meets their needs. Whether it’s a growing family, a new work-from-home lifestyle, or simply the desire for more comfort, a home addition can be the perfect solution. From Alpharetta to Smyrna, East Cobb to Kennesaw, expertly designed and built additions allow you to enjoy more space without the stress of moving. With over 20 years of experience, we build not just for today’s needs but for the way you want to live in the future


At Allatoona Renovations, our approach to home additions blends creativity, structural expertise, and a deep understanding of the local architecture.

Every project—whether a second-story addition, a sunroom filled with natural light, or a spacious new home office—is tailored to complement your home’s existing style. We ensure that each detail, from exterior finishes to interior transitions, feels intentional and seamless.


We know the building process in Marietta and the surrounding communities inside and out. That includes navigating Cobb County’s permitting requirements, understanding neighborhood HOA guidelines, and working with materials and designs that stand up to Georgia’s climate. Our team provides complete project management—from concept planning and budgeting to construction and finishing—keeping communication clear and timelines on track. Whether your home is a historic property in downtown Marietta or a modern build in a Kennesaw subdivision, our goal is the same: to create additional living space that enhances functionality, boosts property value, and feels like it’s always been a part of your home..

Our Home Addition Services

Second-Story Additions

Transform a single-story home into a spacious two-story residence without expanding your property’s footprint. This addition is perfect for creating extra bedrooms, bathrooms, or even a full master suite upstairs, providing significant square footage gains while maintaining the existing lot space and enhancing the overall value of your home.

Sunroom Construction

Enjoy natural light year-round with a custom-built sunroom designed for comfort and versatility. These bright, inviting spaces can serve as a relaxation area, entertainment space, or indoor garden, all while adding functional square footage that blends seamlessly with your home’s existing architecture and interior style.

Kitchen Expansions

Upgrade your cooking and entertaining experience with a thoughtfully designed kitchen addition. Expanded kitchens can include more cabinetry, larger islands, improved layouts, and premium appliances, offering better workflow and more room for gatherings. This type of addition enhances both daily functionality and the overall appeal of your home.

Bedroom and Master Suite Additions

Add essential sleeping space or create a luxurious master retreat with walk-in closets and spa-style bathrooms. Perfect for growing families or multi-generational living, these additions increase comfort, privacy, and convenience while boosting your property’s value and adapting your home to your changing lifestyle needs.

Home Office Additions

Create a dedicated, productive workspace with a custom home office addition. Designed for focus and efficiency, these rooms can feature built-in storage, soundproofing, and natural light. This addition supports remote work, study, or creative projects without sacrificing space in your home’s main living areas.

Outdoor Living Additions

Extend your living space outdoors with custom decks, covered patios, or screened porches. These additions combine durability, comfort, and style, providing versatile areas for relaxation, dining, or entertaining. Built to integrate seamlessly with your home, they enhance year-round enjoyment of your property’s outdoor environment.

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Expand Your Home’s Space, Comfort, and Value

At Allatoona Renovations, we bring over 20 years of expertise to designing and building custom home additions in Marietta, Georgia, and surrounding areas. Our additions are crafted to seamlessly integrate with your existing structure, enhancing both functionality and aesthetic appeal. Whether you need a second-story expansion, a sunroom, a larger kitchen, or a private master suite, we create spaces that fit your lifestyle and increase property value. We handle the entire process—from design and permitting to construction and finishing—ensuring quality craftsmanship, clear communication, and on-time completion. By combining local knowledge with expert building practices, we deliver additions that provide lasting comfort, efficiency, and beauty, making your home more enjoyable today and more valuable in the future.

Benefits of a Professional Home Addition

Increased Property Value

A well-designed home addition can significantly boost your property’s market appeal and overall value. Buyers appreciate the extra square footage, particularly when it’s designed to blend seamlessly with the existing home’s style and craftsmanship, creating a stronger resale potential and making your home more competitive in the market.

Enhanced Functionality

Home additions improve daily living by creating spaces tailored to your lifestyle needs. Whether it’s a master suite, expanded kitchen, or dedicated home office, each addition is designed for comfort, efficiency, and flow, ensuring your home works better for your routines without compromising overall design and harmony.

Cost-Effective Alternative to Moving

Adding space to your current home eliminates the stress and expenses associated with relocating. Instead of searching for a larger property, a well-planned addition allows you to remain in your familiar surroundings while gaining the space you need, avoiding moving costs, and preserving your home’s sentimental value.

Tailored Design for Your Needs

Every home addition is customized to your specific vision, style preferences, and functional requirements. From selecting materials to matching architectural details, each element is chosen to integrate flawlessly with your existing home, ensuring the new space feels intentional, cohesive, and perfectly aligned with your personal taste.

Opportunity for Modern Upgrades

Building an addition offers the chance to incorporate energy-efficient windows, improved insulation, modern HVAC systems, and updated finishes. These enhancements improve comfort, reduce long-term utility costs, and create a healthier indoor environment while ensuring the new space meets today’s performance standards and design expectations.

Better Use of Outdoor Space

Extensions like sunrooms, covered patios, or deck expansions maximize your property’s potential by blending indoor comfort with outdoor enjoyment. These additions create versatile areas for relaxation, entertaining, or dining, allowing you to enjoy your surroundings while increasing your home’s usable square footage in a stylish and functional way.

FREQUENTLY ASKED QUESTIONS

  • How long does a home addition take to complete?

    Most home additions take three to six months from start to finish, depending on the project’s size, complexity, and permitting requirements. We provide a detailed schedule before work begins and maintain clear communication throughout the process to ensure timelines are met without compromising on quality.

  • Do I need a permit for a home addition?

    Yes, most additions require permits, especially when structural changes or utility modifications are involved. Our team manages the entire permitting process, including inspections and code compliance, to ensure your project proceeds smoothly, legally, and without unnecessary delays, meeting all Georgia and local building regulations from start to finish.

  • Can you match my home’s current style?

    Absolutely. We carefully study your home’s architecture, materials, and finishes to ensure the new addition blends seamlessly. Whether your property features traditional brickwork, modern siding, or custom details, we replicate design elements so the expansion looks like an original part of your home rather than an obvious afterthought.

  • Will I need to move out during construction?

    In most cases, you can stay in your home during the addition process. We isolate work areas, use dust containment methods, and manage noise to reduce disruption. Safety measures are maintained at all times, ensuring your household can continue daily routines comfortably while construction takes place.

  • Can you build over an existing garage?

    Yes, adding space above a garage is a popular choice for creating new bedrooms, offices, or bonus rooms. We assess structural integrity, reinforce framing if necessary, and meet all engineering standards to ensure the space is safe, durable, and compliant with building codes for long-term use.

  • What’s the average cost of a home addition?

    The cost varies based on square footage, design complexity, and chosen materials. We offer detailed, transparent estimates after evaluating your needs and property. This approach ensures accurate budgeting, avoids hidden fees, and gives you a clear understanding of the investment required for your specific project.

  • How do you ensure the addition blends seamlessly?

    We analyze your home’s current architecture, match siding, roofing, and trim, and design transitions to flow naturally between old and new spaces. By aligning every detail, from proportions to finishes, we create an addition that enhances both the look and function of your existing home.

  • Do you offer warranties on additions?

    Yes, we back our work with both workmanship warranties and manufacturer warranties on installed materials. This ensures your investment is protected, giving you peace of mind that your addition is built to last, performs as intended, and is covered in the rare event of future issues.

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Expanding Your Home with Confidence

In Marietta, Georgia, and throughout Cobb County communities like Alpharetta, Kennesaw, Roswell, Smyrna, and East Cobb, home additions are a strategic way to gain more space, comfort, and value without leaving the neighborhood you love. A well-planned addition can transform the way you live, whether it’s accommodating a growing family, adding functionality for work-from-home needs, or creating luxurious new spaces for relaxation and entertainment. Our process is rooted in local expertise and a commitment to quality. We understand the building codes, HOA requirements, and architectural styles that define neighborhoods in the Marietta area. This ensures your addition not only meets regulations but also complements your home’s existing character. Every project is a collaboration, beginning with your ideas and ending with a fully realized, move-in-ready space. 

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