For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.

Master Fire Suppression Piping Contractor License

NYC Admin. Code tit. 28, ch. 4, art. 410
in effect

NYC Admin. Code § 28-410.1 Master fire suppression piping contractor license required.

NYC Admin. Code § 28-410.2 Seal.

NYC Admin. Code § 28-410.3 Classification.

NYC Admin. Code § 28-410.4 Additional qualifications.

NYC Admin. Code § 28-410.4.1 Experience.

NYC Admin. Code § 28-410.4.1.1 Domestic water-supplied system experience.

NYC Admin. Code § 28-410.4.1.1.1 Class A license.

NYC Admin. Code § 28-410.4.1.1.2 Class B license.

NYC Admin. Code § 28-410.4.2 Armed services.

NYC Admin. Code § 28-410.5 Certificate of competence, license and seal.

NYC Admin. Code § 28-410.5.1 Certificate of competence.

NYC Admin. Code § 28-410.5.2 Effect of issuance.

NYC Admin. Code § 28-410.5.3 Seal required.

NYC Admin. Code § 28-410.5.4 Failure to obtain seal.

NYC Admin. Code § 28-410.5.5 Requirement for obtaining a license and seal.

NYC Admin. Code § 28-410.5.6 Issuance.

NYC Admin. Code § 28-410.5.7 Duplication prohibited.

NYC Admin. Code § 28-410.6 Surrender of license and seal.

NYC Admin. Code § 28-410.7 Master fire suppression piping contractor business required.

NYC Admin. Code § 28-410.7.1 Use.

NYC Admin. Code § 28-410.7.2 Identification.

NYC Admin. Code § 28-410.7.3 Withdrawal of license.

NYC Admin. Code § 28-410.7.4 Ownership limitations.

NYC Admin. Code § 28-410.7.5 Joint ventures.

NYC Admin. Code § 28-410.7.6 Supervision.

NYC Admin. Code § 28-410.8 Fitness to perform work.

Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-159828Fetched: 10/24/2026