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Basement waterproofing & crawl space4.8(83 Google reviews)

3 Pros Basement Systems (a division of Comfenergy)

Basement waterproofing & crawl space · Sterling, VA

45714 Oakbrook Ct #130, Sterling, VA(703) 223-85053prosbasementsystems.com
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About 3 Pros Basement Systems (a division of Comfenergy)

Google Maps lists 3 Pros Basement Systems (a division of Comfenergy) as a basement waterproofing and crawl space company in Sterling, Virginia.

Services named on 3prosbasementsystems.com: foundation crack repair, crawl space foundation repair, bowing basement wall repair, foundation waterproofing and crawl space encapsulation. The quotes below link to the page where each one appears, so you can check them.

Service area on its website: Northern VA.

Opening hours on Google Maps: Monday to Thursday 8 am–6 pm; Friday 8 am–5 pm; Saturday 9 am–1 pm; closed Sunday.

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Foundation services

What 3 Pros Basement Systems (a division of Comfenergy) says on its website

Quoted from its website, read in October 2026.

Inspections, warranty and payment

What its website says (October 2026). Ask for the warranty in writing and read what it covers before signing.

Opening hours

Monday8 am–6 pm
Tuesday8 am–6 pm
Wednesday8 am–6 pm
Thursday8 am–6 pm
Friday8 am–5 pm
Saturday9 am–1 pm
SundayClosed

As listed on Google Maps (July 2026). Call before visiting – hours change.

3 Pros Basement Systems (a division of Comfenergy) on the map

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Other pins: companies within 30 miles. Map data © OpenStreetMap contributors.

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Before you call, ask about

  • Interior drain, exterior membrane or crack injection – and why
  • Whether a battery backup sump pump is included
  • What the warranty promises: a dry basement, or only the system
  • How they'll handle structural cracks or bowing walls, if any

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Questions about this company

How do I contact 3 Pros Basement Systems (a division of Comfenergy)?

By phone at (703) 223-8505. Through its website, 3prosbasementsystems.com.

When is 3 Pros Basement Systems (a division of Comfenergy) open?

Opening hours on Google Maps: Monday to Thursday 8 am–6 pm; Friday 8 am–5 pm; Saturday 9 am–1 pm; closed Sunday.

What foundation services does 3 Pros Basement Systems (a division of Comfenergy) offer?

On its website it mentions foundation crack repair, crawl space foundation repair, bowing basement wall repair, foundation waterproofing and crawl space encapsulation.

Does 3 Pros Basement Systems (a division of Comfenergy) offer free inspections?

Its website mentions “Free Estimate”. Ask what the visit includes and whether you'll get the findings in writing.

How much does foundation repair cost in Virginia?

Estimated for Virginia: sealing a crack about $251–$803; repairing a settling foundation about $4,518–$20,080, mostly depending on the number of piers. Try the cost calculator and compare written quotes.

Foundation repair near Sterling

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