
Custom Home Additions in Dauphin County by Licensed Contractors
Biilt Group is a licensed home addition contractor in Dauphin County, Pennsylvania, offering custom-built expansions for bedrooms, kitchens, and sunrooms. Our additions increase livable square footage without requiring relocation, and are designed to match your home's existing structure and style. We’ve served Dauphin County residents since 2019, using durable materials, code-compliant construction, and cost-effective design to deliver projects that boost both lifestyle quality and property value. Whether you're planning a 300-square-foot sunroom or a full in-law suite, we ensure structural integrity, energy efficiency, and seamless architectural integration.

Design-Build Custom Additions for Your Home
Every house addition requires a custom design to align with your vision and comply with local regulations, such as the Pennsylvania Uniform Construction Code. At Biilt Group, our design-build approach streamlines the process by handling both design and construction under one roof. This method ensures better communication, faster project timelines, and cost efficiency. Our expert designers collaborate with you to craft a tailored plan, while our skilled team uses high-quality materials to bring it to life. Whether it’s a room expansion or a second-story addition, we deliver results that enhance functionality and aesthetic appeal. In addition to home additions, we offer kitchen remodeling and basement finishing services to further transform your home.

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Home Additions Throughout Dauphin County
Home additions include various types, such as room expansions, sunrooms, and second-story additions, each tailored to the unique needs of Dauphin County homeowners. Below, we explore how Biilt Group serves key communities in the county with customized solutions.
Room Expansions in Harrisburg
In Harrisburg, the state capital, many homes feature historic architecture that demands careful planning for modern upgrades. Room expansions in Harrisburg provide additional space for growing families or home offices, blending seamlessly with existing structures. Biilt Group’s team is skilled at designing expansions that preserve your home’s character while meeting contemporary standards. These additions not only improve functionality but can also increase your property’s value by up to 10%, according to industry insights . Contact us for a free consultation to explore your room expansion options.
Sunroom Additions in Hershey
Hershey, known for its family-friendly charm and proximity to attractions like Hersheypark, is an ideal setting for sunroom additions. These light-filled spaces allow you to enjoy Dauphin County’s natural beauty year-round. Biilt Group designs energy-efficient sunrooms that incorporate biophilic design, using natural materials and large windows to create calming, nature-connected environments. Perfect for relaxation or entertaining, our sunrooms add both aesthetic and market value to your home. Learn more about our sunroom additions.
Second-Story Additions in Hummelstown
For homeowners in Hummelstown, second-story additions offer a smart way to double living space without reducing yard area. These projects are ideal for adding bedrooms, home offices, or guest suites while maintaining outdoor functionality. Biilt Group manages every detail, from structural assessments to securing permits, ensuring compliance with local codes. Our expertise in second-story additions guarantees a safe, high-quality result that enhances your home’s value and livability. Discover our second-story addition services today.
Custom Home Additions in Middletown
In Middletown, custom home additions allow homeowners to personalize their spaces, whether it’s a new home office, guest suite, or expanded living area. Biilt Group tailors each project to your specific needs, using high-quality materials and expert craftsmanship to ensure durability and style. Our custom additions are designed to enhance both functionality and property value, making your home more enjoyable and marketable. Contact us for a free estimate on your custom addition in Middletown.


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Why Choose Biilt Group for Your Home Addition In Dauphin COunty, PA
Since 2007, Biilt Group has been a trusted name in Dauphin County for home addition projects. As a licensed and insured contractor, we uphold the highest standards of quality and safety, adhering to the Pennsylvania Uniform Construction Code. Our design-build approach offers custom design services, expert project management, and fast completion times at affordable prices. We use only high-quality materials to ensure lasting results. With a 93% client satisfaction rate across numerous projects, we’re proud to deliver exceptional outcomes. Schedule your free consultation today by contacting Biilt Group and start transforming your home.

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Frequently Asked Questions
Q: How much does it cost to add a room to my house?
The cost of adding a room varies based on size, type, materials, and labor. On average, homeowners in Dauphin County can expect to pay $175 to $250 per square foot for a standard room addition . Factors like plumbing or custom features may increase costs. For a precise estimate, Biilt Group offers free consultations to assess your project’s needs.
Q: What are the most popular home additions?
Popular home additions include room expansions (e.g., bedrooms or living areas), sunroom additions for year-round natural light, and second-story additions to maximize space without altering the home’s footprint. Other common options are attic or basement conversions and outdoor living spaces like decks. Biilt Group can guide you to the best addition for your needs and budget.


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Ready To Transform Your Home?
Home additions in Dauphin County offer a valuable way to enhance your living space and boost property value. From room expansions in Harrisburg to sunroom additions in Hershey, second-story additions in Hummelstown, and custom additions in Middletown, Biilt Group delivers tailored solutions with a design-build approach. Our commitment to high-quality materials, expert project management, and compliance with local codes ensures lasting results. Contact Biilt Group today for a free estimate and take the first step toward transforming your home.