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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 ===
CARLOS A O'SULLIVAN
Date Issued:   02/21/2026 License #:  002166
Status:  A - ACTIVE Expiration:  07/10/2027
City Employee:   No
Office Address:  276 5TH AVE 7TH FL ROOM 712 NEW YORK, NY 10001
Business Phone:  212-684-0904
Ordinary Plumbing Work
 
Business 1  :  LOSMAN PLBG AND HTG INC
 
Insurance Type Policy Required Company Expiration Date
General Liability PA50009601 Yes CONCERT SPECIALTY INS CO 07/02/2026
Workers' Compensation M2617 309-8 Yes NYSIF 07/05/2026
Disability LNY-790874001 Yes HARTFORD LIFE AND ACCID 06/30/2026
 
 


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