Contractors in New York City

KEYSTONE BUILDERS GROUP*

License GC 622009

40 permits at 8 addresses in the last 12 months in New York City.

First filing: Nov 6, 2025
Latest filing: Aug 3, 2026

By trade

Alteration24
Mechanical16

By year

20258
202632

Property mix

Commercial5
Other35

Recent job sites

400 EAST 84 STREET Manhattan
Aug 3, 2026, Alteration
325 NORTH END AVENUE Manhattan
Aug 3, 2026, Mechanical

and 6 more job sites in Pro

Commercial contractors in New York City · Recent New York City building permit filings

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