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HomeAdvisor Screened & Approved

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Learn about our screening process

21 Years In Business

Company Details

  • Verified Licenses


2400 Ansys Drive, Suite 102
Canonsburg, PA 15317


  • Mon: 8:00 AM - 6:00 PM
  • Tue: 8:00 AM - 6:00 PM
  • Wed: 8:00 AM - 6:00 PM
  • Thu: 8:00 AM - 6:00 PM
  • Fri: 8:00 AM - 6:00 PM
  • Sat: Closed
  • Sun: Closed
View All Details & Credentials


Service Details

  • Residential Work
  • Commercial Work

Areas of Expertise

  • Roofing Installs
  • Repairs
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Credit Cards Accepted


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

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 1-10 of 61 results
5.0 Ken R. Canonsburg, PA

We had our roof, gutters and downspouts replaced on May 21 2020 and are extremely pleased! Chaz Knox's work crew were on time and immediately went to work. TRUE professionals in every aspect of their craft. Every facet of their job was like a concert in motion from staging, implementing, completion, clean up and final walk around/review of their work. I HIGHLY recommend Knox's Construction!

5.0 Johnna R. Washington, PA

They removed our old roof & replaced it with new one. Chaz was very easy to work with. Clean-up was good & roof looks great! Would highly recommend them.

1.0 Sam B. Gibsonia, PA


4.5 George G. Canonsburg, PA

5.0 Eighty Four, PA

They removed my old roof and replaced it with a new one on my house and my garage. Good communication with Chaz. He explained everything that was going on and kept in contact with me. The workers were friendly and cleaned up worksite. The job was also done in a timely manner.

5.0 Joe V. Pittsburgh, PA

Knox Construction had to remove the old roofing, lay down new plywood, and install the new asphalt roofing. They did a very good job in a reasonable time frame and cleaned up the area afterwards.

4.0 Frank P. Canonsburg, PA

Very cooperative. They did a great job in a short amount of time.

0.0 William A. Elizabeth, PA

The job to be done on our roof was explained in detail. The owner is a dedicated and responsible person. He got the job done in the time he quoted with pride of detail and respect to the customer. His crew cleaned up each day and protected surfaces with tarps. I would recommend him to anyone as I did to my neighbor who hired him the next week to great satisfaction.

0.0 Janet T. Pittsburgh, PA

I had a very positive experience with Knox's Contstruction. The owner, Chas, was polite, friendly and very helpful. The crew was on on time and did a beautiful job in replacing my roof. The clean up was thorough. The shingle is very attractive. I would highly recommend this company for roof work.

0.0 Mike L. Cranberry Township, PA

Extremely customer oriented and very professional. Did an excellent job cleaning up after the job was over.

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Seal of Approval

What is the screening process that Service Professionals go through in order to become members of the HomeAdvisor network?

  1. Verify Trade License
    HomeAdvisor checks to see if the business carries the appropriate state-level license.
  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
    For business types that require a Secretary of State filing, we confirm that the business is in good standing in the state in which it is located.
  4. Criminal Records Search
    HomeAdvisor uses 3rd party data sources to conduct a criminal search for any relevant criminal activity associated with the owner/principal of the business.
  5. Sex Offender Search
    We confirm that the owner/principal is not listed on the official state Sex Offender web site in the state in which the owner/principal of the company is located.
  6. Bankruptcy Search
    We use 3rd party data sources to check the history of the principal/owner of the business for bankruptcy filings by or against them.
  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)
    HomeAdvisor verifies the social security number(s) of the owner/principal for identity check purposes. This check applies primarily to smaller business entities.
  10. Identity Verification (Reverse Phone Lookup)
    We conduct a reverse business phone lookup to identify records matching the phone number information provided by the business.

NOTE: Member service professional information confirmed as described above may change or expire over time; while HomeAdvisor attempts to maintain accurate and up-to-date information, and confirms changes when notified, we cannot guarantee that profile and screening information is accurate. Therefore, we recommend that before working with a service professional you verify that information presented is still current and/or acceptable to you.
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