
Stunning Home Additions in the Alexandria, Clifton, Fairfax Station, VA area
When you first bought your home, it was the perfect size. Each room had its purpose and you could comfortably fit all of your possessions, but now your growing family is starting to feel a bit crowded. Instead of abandoning the home you love in search of more square footage elsewhere, simply give your loved ones some room to breathe with roomy home extensions from Capitol Design Build. For over 30 years, our licensed contractors have been constructing high-quality room additions in Lorton, Springfield, and Alexandria, VA. We have the knowledge and expertise to handle even the most difficult of house additions, and our quick and efficient services will provide you with a beautiful finished project in no time at all.
Our virtual Kitchen & Bathroom planners helps you to start your remodeling journey in convenience of your home at anytime of the day
Comprehensive Remodeling and Custom Home Building Contractor
Capitol Design Build provides a broad range of home addition construction services including, room additions, kitchen renovation and bathroom additions, home extensions, and second-story room additions. Our skilled engineers, architects, and craftsmen take a great deal of pride in their work, and we always use the finest equipment and materials in all of our building projects. Our expert consultants can design high-quality room additions using our 3D simulation software, allowing you to see the final results before we even sign the contract. Expanding space in existing rooms is what we do best, and we always provide a detailed contract for house additions which clearly spells out the specifications, the total price, the payment schedule, and the timeline for completing your project.
You should consider a Home Addition if you want;
- New bedroom
- Second kitchen
- Bigger living room
- 2nd Story addition
- Sunroom addition
- In-law apartment
- Garage addition
- Kitchen extension
- New bathroom
Benefits of working with Capitol Design Build
- 30+ years of custom remodeling experience
- Advanced 3D simulation software
- One-stop shop for all remodeling needs
- Projects always completed on time and on budget
- Quality craftsmanship
Comprehensive Remodeling and Custom Home Building Contractor
Capitol Design Build provides a broad range of home addition construction services including, room additions, kitchen renovation and bathroom additions, home extensions, and second-story room additions. Our skilled engineers, architects, and craftsmen take a great deal of pride in their work, and we always use the finest equipment and materials in all of our building projects. Our expert consultants can design high-quality room additions using our 3D simulation software, allowing you to see the final results before we even sign the contract. Expanding space in existing rooms is what we do best, and we always provide a detailed contract for house additions which clearly spells out the specifications, the total price, the payment schedule, and the timeline for completing your project.
You should consider a Home Addition if you want;
- New bedroom
- Second kitchen
- Bigger living room
- 2nd Story addition
- Sunroom addition
- In-law apartment
- Garage addition
- Kitchen extension
- New bathroom
Benefits of working with Capitol Design Build
- 30+ years of custom remodeling experience
- Advanced 3D simulation software
- One-stop shop for all remodeling needs
- Projects always completed on time and on budget
- Quality craftsmanship
OUR MOST RECENT
Home Addition Projects








One-Stop Shopping
We carry most of
the major brands
One-Stop Shopping
We carry most of the major brands






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