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Learn about our screening process

4 Years In Business

Company Details

  • Verified Licenses
  • Bilingual


512 N Wakefield Street
Arlington, VA 22203


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View All Details & Credentials


Service Details

  • Residential Work

Areas of Expertise

  • Waterproofing Basement
  • Waterproofing Foundation
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Trip Charge May Apply
  • Credit Cards Accepted


15 Verified Reviews
  • 5
  • 4
  • 3
  • 2
  • 1

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 1-10 of 15 results
5.0 Koshal P. Fairfax, VA

Excellent work done by ALG Contractors. Very Nice person. Definitely recommend them for crawl space work.

5.0 Donna J. Reston, VA

We were very pleased with ALG.From the first meeting to discuss our foundation problem to the completion of the work. The repair was thoroughly explained and the causative factors. Mr. Lopez and his crew were very polite and helpful. There was/is a lot of stuff in our basement and it was carefully moved and protected with plastics. When the job was completed the area was cleaned up of any debris. If I ever have any more foundation issues--I hope not--I would definitly us ALG. We highly recommend ALG!!!!

5.0 Richard S. Annandale, VA

Did what they said they would with a smile on their faces. Great rate.

4.0 Jerry K. Falls Church, VA

Mr. Lopez was very honest. He explained the work that needed to be done and was willing to take on additional work as the initial project was nearing completion. We were very pleased with the work and happy with the clearly itemized proposal. We would certainly recommend ALG.

5.0 José A. Fairfax, VA

The job ALG contractor performed in my crown space was very profesional , Mr. Lopez was there to lead his team, making sure that they did a good job, I recommend his job to anybody.

5.0 Edward M. Arlington, VA

ALG inspected and then waterproofed our very large church basement area and did an excellent job with waterproofing and 2 sump pumps. Everything was as bid and Mr Lopez made sure the work was complete and followed up on a question we hadWe could not be happier with the work and the bid was clearly the lowest Highly recommend

5.0 Sri A. Great Falls, VA

We had a small leak in our basement room from the outdoor gutter. Arturos guys did a fantastic job adding a concrete base, flashing and adding a new french drain in our yard. He also added a new water drain and routed all the water into the french drain, The job was excellent and we were shown the work at every step of the way. Arturo is sincere and trust worthy. I would highly recommend ALG contractors!

5.0 Tamirat A. Annandale, VA

Reasonable price, good work and excellent customer service.

5.0 Susan P. Arlington, VA

I was very pleased with this company. They quickly identified the cause of the problem and submitted a competitive proposal. They did a great job. Arturo went above and beyond by installing a temporary fix to prevent water damage before the work was scheduled. I recommend highly.

5.0 Alan G. Alexandria, VA

Professional all the way. Fair price. Excellent work. Timely and responsive.

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Seal of Approval

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  1. Verify Trade License
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  2. Verify Insurance
    As a part of our screening process, we encourage professionals to carry general liability insurance. We require coverage for hundreds of services.
  3. Verification of State Business Filings
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  5. Sex Offender Search
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  6. Bankruptcy Search
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  7. Legal Search for Civil Judgments
    We use 3rd party data sources to check the principal/owner of the business for state level civil legal judgments entered against them.
  8. Liens Search
    We use 3rd party data sources to check the principal/owner of the business for liens placed against them.
  9. Identity Verification (SSN)
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  10. Identity Verification (Reverse Phone Lookup)
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