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Learn about our screening process

16 Years In Business

Company Details

  • Verified Licenses
  • Bilingual


2170 Old Washington Road, Suite 102
Waldorf, MD 20601


  • Mon: 9:00 AM - 5:00 PM
  • Tue: 9:00 AM - 5:00 PM
  • Wed: 9:00 AM - 5:00 PM
  • Thu: 9:00 AM - 5:00 PM
  • Fri: 9:00 AM - 5:00 PM
  • Sat: 10:00 AM - 2:00 PM
  • Sun: Closed
View All Details & Credentials


Service Details

    Areas of Expertise

    • Windows Replacement
    • Exterior Front Door Replacement
    • Sliding Glass Door Replacement
    • Patio Door Replacement
    • Security Door Installation
    View All Offerings and Cities Served

    Cost Information

    • Free Estimates
    • Credit Cards Accepted


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

    Highly rated for

    • Quality
    • Value
    • Customer Service
    Showing 1-10 of 108 results
    5.0 Jordan R. Waldorf, MD

    Prompt and quick work, communicated often and provided up to date info on any questions I had or when/what work was going to be done.

    4.5 W B. Fort Washington, MD

    The storm door was installed. They did a great job. The only problem was the screws left on the ground. I have two dogs, and they could have stepped on them if I did not inspect the area.

    5.0 Connie M. Mechanicsville, Md, MD

    Just really nice installers, very professional and did an outstanding job.

    5.0 W B. Fort Washington, MD

    Other than leaving screws in the front yard the service was great

    5.0 Fred B. Indian Head, MD

    The M.A.S Home Improvement team provides quality products and make every effort to ensure complete customer satisfaction. I highly recommend M.A.S to others who are planning similar projects.

    5.0 John H. Seabrook, NH

    MAS provided prompt, professional and quality service and workmanship on this project. The team who installed the slider door were very courteous, professional and the job was left clean and the materials and finish product was above expectations. Thank you MAS.

    4.5 James H. Mechanicsville, MD

    Very professional & prompt.

    5.0 Daryl S. Null, MD

    Everybody was professional and accommodating. Iâ  ve used MAS to install my storm door and recently my patio door. Extremely happy with the communication and workmanship! A+!

    5.0 Belinda B. Waldorf, MD

    Great friendly service

    5.0 Ron W. Waldorf, MD

    Quality work in a very timely manner.


    MAS Home Improvement, Inc.
    Door Replacement
    Sliding Glass Door
    Windows Replacement
    Door & Windows Install
    Doors Install
    Sun Room Project
    Bay Window Replacement
    Window & Door Replacement
    Double Hung Window
    Picture Windows Project
    Health Institution
    Front Entry Door Replaced
    Front & Rear Door Install
    Picture Window Project
    Front Entry Door Replaced
    Sliding to French Door
    Bow Window Replacement

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    Seal of Approval

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    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.

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