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Underpinnings

Foundation underpinning services to strengthen structures and increase basement height.
Underpinning reinforces and stabilizes existing foundations while allowing for basement lowering and additional usable space. Our team carefully manages excavation and structural support to ensure long-term safety and durability. We provide professional underpinning services across Washington DC, Maryland, and Virginia with precision and code compliance.

Reviews

Take a look at what your neighbors are saying about us.
  • My experience with Ellery Contracting was wonderful and I was so pleased with the finished project. The work on my closed-in porch was done in a very professional and timely manner. I loved how clean and orderly they left the porch when the job was completed. I also appreciated the advice provided when I needed to make a final decision about the paint, floor and ceiling material. I have received many complements about the porch. In the future, I will not hesitate to contact them for any other work I need to get done that requires their services. Thank you again Ellery Contracting for the great job! (Before and after pictures of one side)

    R Gary

Areas We Serve

  • Washington, DC
  • Arlington, VA
  • Alexandria, VA
  • Silver Spring, MD
  • Rockville, MD
  • Bethesda, MD
  • Reston, VA
  • Bowie, MD
  • Downtown DC, DC

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