The Best House Addition Company in Your Area

Want a new deck to enjoy the view of your beautifully-manicured Japanese garden? Need your kids to express themselves with a specially-created crafts room in your basement? Castle Construction is the partner you want for all house additions. From conceptual designs and securing permits to construction and the final walk-through, we offer a hassle-free experience and results that instantly captivate you.

Whether you want a screened-in porch to enjoy the evenings or a custom basement, we are experienced in all types of house additions. We have the expertise to source the best materials to produce work that lends functionality, elevates your home’s aesthetics and remains within your budget.

Areas We Serve

  • Alpharetta
  • Dunwoody
  • Kennesaw
  • Marietta
  • Milton
  • North Atlanta
  • Roswell
  • Sandy Springs
  • Smyrna
  • Vinings
  • Woodstock

Don’t see the name of your city listed here? Give us a call, and we will be happy to help.

We Provide In-House Project Visualization Services

At Castle Construction, the virtual experience has arrived. As our community’s most trusted house additions contractor, we help you gain better clarity on your project to ensure informed, faster decisions that save you time and money. 

We provide 3D renderings of your project so you can visualize the look of your home before work begins. We use our software to create each rendering to provide endless design options. Our realistic imagery helps you study your plan and recommend suggestions for the best additions to your home. Experience the construction even before we lift a hammer.

Contact Us Today for the Perfect House Additions

With over two decades of experience, Castle Construction is prepared to help you upgrade your living experience to the next level. Call us at (770) 504-6010 or submit the online form to get quick help with your dream home.

Local Reviews

Castle Construction LLC Rated 4.83 out of 5 stars based on 35 customer reviews
We pride ourselves on delivering durable, high-quality solutions. Our experts employ the best building materials from industry-leading manufacturers to give you long-lasting results.
Our team is dedicated to keeping you informed and involved. You can expect a knowledgeable, collaborative approach from transparent estimates to accurate 3D renderings to a stunning build.
We have been in business and growing for 20 years on the back of fair, friendly, expert home remodeling services. We ensure that our customers are 100% satisfied.
With over two decades of experience renovating our neighbors’ homes, our trained and qualified team delivers your project as per your preferences, within schedule and on budget.

(770) 504-6010 Get Free Estimate