"I found the best when I hired The Alexander Group...on time & delivered a beautiful result."Grace H. in Potomac, MD
"Dean proved to be diligent and innovative with his approach to our buildings energy analysis."Kalele Kai Board of Directors
"... has my utmost confidence... will continue to build on the platform of excellence" Gerald Briggs
"Your team is the best team I ever worked with and they are very organized and excellent!" S. Graham
"The Alexander Group is a "no excuses" builder and an architectural firm's dream contractor" Jennifer Harada Okino
"I cannot say enough about Alex's "high touch" handling and regular accommodation ... respects and treats your home as he would his own." L.M.
"... If you want a project done right, that will last, no doubt, Alex is the man. He is not the cheapest, but he is undoubtedly the best." Nisha C., Northern VA
"... beautiful, functional addition ... you made it look easy" Michael D. M.& Katherine E. / Rockville, MD
"... quality of the workmanship" Tom M. / Chevy Chase, MD
"... appreciated the memories held ... in creating modern style" Eve / Honolulu, Hawaii

When quality matters, details count.

Expert home remodeling and green building for Washington DC

Expert home remodeling and green building for Washington DC

If you’re looking for a high-performance, energy efficient, beautiful house to enrich your life in the metro Washington D.C. area, Alexander Group has the proven experience and talent to bring you the new building or remodeling design that will inspire you – without any of the typical remodeling stresses. With over three decades of experience in remodeling and building new homes in the Washington D.C. area, we’ve earned a trusted name that is respected in the industry. Our dedicated designers and craftsmen consistently provide high quality, unmatched service to  homeowners.

Locally owned and operated near Washington DC

As a leading design-build company in the greater Washington D.C. area, Alexander Group is proud to service the historic homes in our region. Renovating these classic homes to increase efficiency and to maximize energy conservation is a core focus. We love being a part of this fast-paced area and we’re proud to be able to contribute our talents to bring the streamline efficiency that is in such high demand.

Providing Washington DC expert green home building, design and renovation services

We specialize in:

  • Custom home building – we will work with you to crystallize and implement your custom home vision.
  • Whole house renovations and exterior remodeling – we uniquely understand the importance of having a space that energizes you, and we won’t stop until your house is transformed into the home of your dreams.
  • Home Additions and Room Additions – we have proven experience creating additional space while enhancing the look and feel.
  • Kitchen Remodeling – we can renovate your kitchen into a beautiful, highly efficient space.
  • Bath Remodeling – we design and implement custom baths that enrich your home.
  • Green building design & energy consultation – we have more than 30 years of uniquely understanding and designing energy-efficient homes.

Request your free consultation today!

To schedule your complimentary initial consultation, call us today at (301) 230-3040, or email, and we’ll get busy creating your new dream Washington DC home.

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