Updated: May 12, 2026
Location
Address
Columbus, OH, 43219
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G&g Concrete Construction LLC
G&g Concrete Construction LLC, (Owned by: Mikel Giammarco) holds a General Cont license according to the Columbus license board.
Their BuildZoom score of 91 ranks in the top 37% of 52,717 Ohio licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring G&g Concrete Construction LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
G&g Concrete Construction LLC Services
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G&g Concrete Construction LLC Contact Information
Phone Number: (614) 475-4151
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G&g Concrete Construction LLC Reviews
1 out of 5 stars, based on
1
review
-
By Teri P.December 15, 2024ADA ramp installation by the City
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License # OHG6040
Columbus, OH
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BZ Score
$350K
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102
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103
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Projects
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Verified License
BuildZoom confirmed this contractor's license
G&g Concrete Construction LLC License info
Verified License
| License # | G08333 |
| Status | Active |
| City | Columbus |
| Type | General Cont |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for G&g Concrete Construction LLC at the The City of Columbus, OH.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
G&g Concrete Construction LLC Employees
MG
Mikel Giammarco
Owner
Terrible experience. The city of Columbus contracted them to do ADA ramps in our neighborhood. Long story but in the end, several irrigation systems were damaged and not repaired by the company as they said they would. They blamed us for not marking the lines, but we had no idea when they were coming. They just showed up one day and started tearing their way through the neighborhood. We have asked for reimbursement twice and received no response. The president had told me "if we break it we will fix it", Clearly they don't. Buyer beware of this one.