Gannon Construction & Improvements

541 W Montgomery Ave
Rockville, MD 20850301-455-8626



Consumer Comments for Gannon Construction & Improvements

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Consumer from Derwood, MD
Dec 03, 2017
GCI was a life saver. We did a massive remodel including a kitchen/family room/basement (the entire back of the home) bump out along with a master bedroom/bathroom put in above the garage. We encountered multiple unexpected developments including an unmarked underground stream, County bureaucratic delays, and an unexpected change in the terms of our home equity line that was being used to finance the project. GCI came up with solutions each time we had a problem.--my wife and I recommend them highly.
Consumer from Rockville, MD
Nov 22, 2010
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