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Learn about our screening process

31 Years In Business

Company Details

  • Veteran Owned


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


Service Details

  • Residential Work
  • Commercial Work

Areas of Expertise

  • Basement Remodel
  • Porches
  • Bathrooms
  • Kitchens
  • Decks
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Credit Cards Accepted


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

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 1-10 of 21 results

The project was beyond my expectation, from start to finish . Both Gregg and Mike provided information pertaining to the structural elements that no other contractor mentioned, and this avoided additional costs once the project started. They are truly professional in all aspects, courteous, delivered the job within budget and on schedule . The quality of their work was exceptional, every detail was handled with precision. I will be contacting them when I am ready to do my deck and will happily be recommending them to friends and family.

5.0 Ernie A. Babylon, NY

Mike and Gregg were great throughout the whole project, always offering little suggestions to help navigate us to the end. Quality and workmanship was top notch, I would definitely recommend GM for any project

5.0 Jimmy W. Massapequa, NY

Great guys and more importantly great work!!! I m 100 percent happy with the job they did!!!!


The best experience ever! Too bad I didn't meet Greg and Walter before. I did a lot of renovations at my house and I couldn't be happier. They completely transformed my backyard. Can't wait to do another project with them.

5.0 Rich S. West Islip, NY

Great Guys, Exellent work

5.0 Brendan M. Levittown, NY

Excellent work done by Mike, Greg and their staff. Always prompt each day and very easy to work with. Highly recommend them. A+

5.0 Rina Z. Elmont, NY

How do I start to tell you what a wonderful experience I had with this company. I got a beautiful deck even better than I could ever have expected. These guys went above and beyond for us with great pricing. I would give these guys a 100 stars if I could. I recommend to all you won;t be disappointed.

5.0 Zita R. Plainview, NY

They were hired to renovate my deck and patio. They were punctual and accommodating. Each evening they cleaned up from the day's work leaving the backyard devoid of rubbish. Excellent craftsmanship accomplished by professional meticulous craftsmen. I am extremely pleased with a professional job well done. I certainly would recommend them.

5.0 Jack C. Wantagh, NY

They were more than accommodating. Professional and did an excellent job.


GM Renovations NY
Pool Deck
Pool Deck
Trex Deck
Double Deck
Trex Deck
Bethpage Home Exterior
New modern Bathroom
Middle Island Back Porch
New front door & storm do
front door
Deck on the Water
Stone Fireplace
Outdoor Kitchen
Bayville porch makeover
Large Composite Deck
Deck in Watermill NY
2019 Deck & Framing
Fall 2019 Deck Job
New Deck
Basement remodel
Basement Entrance
Basement remodel

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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.

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