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🧱 Top 5 · 2026📍 Washington, DC

The 5 best foundation repair companies in Washington.

Everything else sits on it.

Chosen by our review committee · Google ratings as of November 9, 2026 · Companies cannot pay to be listed

Foundation Repair Companies at work
1
DMV Foundation Solutions
★★★★★ 5.0 · 122 reviews

Cracks in the brick, doors that stick, floors that slope. The best foundation repair companies in Washington start with an honest evaluation, use proven piers or drainage fixes, and back the work with a transferable warranty.

  1. 1

    DMV Foundation Solutions

    🏆 Best foundation repair company in Washington
    ★★★★★ 5.0· 122 Google reviews

    DMV Foundation Solutions holds a perfect 5.0 on Google across 122 reviews. A solid body of feedback for a local foundation repair company. Based in Alexandria, it takes the top spot among foundation repair companies in Washington this year.

    📍 4307 Wheeler Ave Ste 100, Alexandria, VA 22304
  2. 2
    ★★★★★ 4.9· 168 Google reviews

    A1 Masonry Contractors carries a near-perfect 4.9 Google rating from 168 reviews. That many reviews is hard to fake and harder to keep that high. Based right in Washington, it lands at #2 on our Washington list.

    📍 1775 I St NW Ste 1150, Washington, DC 20006
  3. 3
    ★★★★★ 4.9· 103 Google reviews

    With 103 Google reviews averaging 4.9, Capstone Waterproofing Solutions has earned its place here. A solid body of feedback for a local foundation repair company. Based in Glenarden, it rounds out the top three for Washington.

    📍 9103 Woodmore Center Dr, Glenarden, MD 20706
  4. 4
    ★★★★★ 4.8· 1,093 Google reviews

    With 1,093 Google reviews averaging 4.8, NV Waterproofing and Foundation Repair has earned its place here. That is one of the deepest review histories of any foundation repair company in the Washington area. Based in Manassas, it rounds out the top four for Washington.

    📍 12200 Livingston Rd #100, Manassas, VA 20109
  5. 5
    ★★★★★ 4.9· 48 Google reviews

    With 48 Google reviews averaging 4.9, DESKA Foundation Repair & Basement Waterproofing has earned its place here. A solid body of feedback for a local foundation repair company. Based in Alexandria, it rounds out the top five for Washington.

    📍 8809 Cooper Rd, Alexandria, VA 22309
How this list was made

Picked by people who read the reviews.

Our review committee researched foundation repair companies serving Washington and the surrounding area, read consumer reviews across the web, and settled on these five. We look at how many people have reviewed a company, what they say, and how the company holds up over time. We keep the full recipe to ourselves so it cannot be gamed. Google ratings shown are as of November 9, 2026. No company paid to be here, and none can. More on how we choose →

Before you sign

How to hire a foundation repair company in Washington

1

Get an independent engineer's opinion before committing to a large repair.

2

Ask whether the warranty transfers to the next owner and what it excludes.

3

Compare pier types: pressed concrete, steel, helical, and why they recommend one.

4

Ask about drainage and watering; many problems start with soil moisture, not the slab.

Good to know

Foundation Repair Company questions, answered

Do cracks always mean foundation problems?

No. Hairline cracks in brick or drywall are common with seasonal movement. Doors that stop latching, stair-step cracks and sloping floors deserve an evaluation.

How long does foundation repair take?

Most pier jobs take one to three days. Landscaping and drainage work may follow.

Will repair fix the cracks?

Lifting the foundation often closes cracks partly. Cosmetic repairs to brick and drywall are usually a separate step.

For the winners

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#1 Foundation Repair Company in Washington, DC 2026
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#2 Foundation Repair Company in Washington, DC 2026
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#3 Foundation Repair Company in Washington, DC 2026
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#4 Foundation Repair Company in Washington, DC 2026
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#5 Foundation Repair Company in Washington, DC 2026
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