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| NYC Department of Buildings | ||
| License Details | ||
| MASTER PLUMBER information is now maintained in DOB NOW: Licensing. The below information is for historical purposes only and has not been updated since February 23, 2026. |
=== MASTER PLUMBER === |
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| JOHN R KOLB | ||||||||||||||||||||||||||||||||||||
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If you have any questions please review these Frequently Asked Questions, the Glossary, or call the 311 Citizen Service Center by dialing 311 or (212) NEW YORK outside of New York City.
