Contact

516-778-8240

Service Areas

Manhattan

Queens

Bronx

Brooklyn

Nassau

©2019 BY COSTELLO CONSTRUCTION GROUP LLC

WELCOME TO DEMTEC

 
ABOUT DEMTEC

Professional Service on Demand

DEMTEC has been serving as a New York City specialty contractor since 2013. We’re a team of professionals, properly certified as per NYC DOB who tackle everything from complex and large scale construction projects to small repair jobs. Fueled by our commitment to excellence, we go the extra mile to make sure clients are completely satisfied with our work. Call us today to schedule a consultation.

 
 
 
 
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