Karolina Ostrowska-Tuznik, Registered Agent
The LLC is a local construction contracting business based at 375 N Kentucky Ave, Massapequa, NY. The name implies general contracting services, likely for residential or commercial projects. No matching website was found, so details are limited to the filing data.
Filed March 16, 2026 · Massapequa, NY
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CORNERSTONE CONTRACTING GROUP LLC is a construction business (LLC) registered on March 16, 2026 with the New York Division of Corporations. Its principal address is 375 N Kentucky Ave, Massapequa, NY 11758. The filing lists Karolina Ostrowska-Tuznik as Registered Agent.
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Start Your Free Trial ›CORNERSTONE CONTRACTING GROUP LLC was registered as LLC on March 16, 2026 in New York.
CORNERSTONE CONTRACTING GROUP LLC's principal address on file is 375 N Kentucky Ave, Massapequa, NY, 11758.
CORNERSTONE CONTRACTING GROUP LLC is classified as a construction business (general contracting).
No EIN was found on file for CORNERSTONE CONTRACTING GROUP LLC at the time of registration.
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