# New York City — US boiler and pressure vessel inspection requirements by state For New York City, governing body is New York City Department of Buildings; statute citation is New York State Industrial Code Rules 4 and 14; power boiler inspection interval is annual internal and external inspections (steam); annual external inspections and triennial internal inspections (hot-water); low-pressure boiler inspection interval is annual external inspections and triennial internal inspections (steam); annual external inspections and internal inspections every five years (hot-water); accepted inspector types is Department inspectors conduct all first inspections. For subsequent inspections, commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections, verified against its source on 2026-08-05. - **State:** New York City _(verified: appears in the quote below)_ - **Governing body:** New York City Department of Buildings _(verified: appears in the quote below)_ - **Statute citation:** New York State Industrial Code Rules 4 and 14 _(verified: appears in the quote below)_ - **Power boiler inspection interval:** annual internal and external inspections (steam); annual external inspections and triennial internal inspections (hot-water) _(verified: appears in the quote below)_ - **Low-pressure boiler inspection interval:** annual external inspections and triennial internal inspections (steam); annual external inspections and internal inspections every five years (hot-water) _(verified: appears in the quote below)_ - **Accepted inspector types:** Department inspectors conduct all first inspections. For subsequent inspections, commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections _(verified: appears in the quote below)_ - **Exemptions:** Boilers subject to inspection or control of a federal government agency. Boilers located on farms and used solely for agricultural purposes. Steam or vapor boilers operating at a gage pressure of not more than 15 psi, located in a dwelling occupied by fewer than six families and less than 350,000 BTU input. Hot-water boilers located in a dwelling occupied by fewer than six families and less than 350,000 BTU input. _(per nationalboard.org, not stated by the source above)_ ## What the source says > Governing body: The New York City Department of Buildings administers inspections under New York State Industrial Code Rules 4 and 14. Authorized inspector types: Department inspectors conduct all first inspections. For subsequent inspections, New York City accepts commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections. Inspection frequency: High-pressure steam boilers require annual internal and external inspections. High-pressure hot-water boilers require annual external inspections and triennial internal inspections. Low-pressure steam boilers require annual external inspections and triennial internal inspections, while low-pressure hot-water boilers require annual external inspections and internal inspections every five years. ## Sources disagree More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from. ### Governing body chardonlabs.com says governing body is **New York City Department of Buildings**, as of 2026-08-05. > Governing body: The New York City Department of Buildings administers inspections under New York State Industrial Code Rules 4 and 14. Authorized inspector types: Department inspectors conduct all first inspections. For subsequent inspections, New York City accepts commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections. Inspection frequency: High-pressure steam boilers require annual internal and external inspections. High-pressure hot-water boilers require annual external inspections and triennial internal inspections. Low-pressure steam boilers require annual external inspections and triennial internal inspections, while low-pressure hot-water boilers require annual external inspections and internal inspections every five years. Source: https://www.chardonlabs.com/resources/commercial-boiler-inspection-regulations-by-state/ nationalboard.org says governing body is **City of New York, Department of Buildings**, as of 2026-08-05. > High-pressure steam boilers: One annual external inspection; One annual internal inspection. High-pressure, high-temperature hot-water boilers: One annual external inspection; One internal inspection triennially. If equipped with manholes and handholes, an annual inspection is required. Such boilers shall be inspected externally annually approximately six months after each internal inspection. Low-pressure steam boilers: External inspection annually; One internal inspection triennially. Low-pressure, hot-water boilers: External inspection annually; One internal inspection quinquennially (every five years). New boilers shall be hydrostatically tested upon installation and prior to service. Boilers shall be tested to 60 psi or 1-1/2 times the design pressure, whichever is greater. Source: https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select ### Statute citation chardonlabs.com says statute citation is **New York State Industrial Code Rules 4 and 14**, as of 2026-08-05. > Governing body: The New York City Department of Buildings administers inspections under New York State Industrial Code Rules 4 and 14. Authorized inspector types: Department inspectors conduct all first inspections. For subsequent inspections, New York City accepts commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections. Inspection frequency: High-pressure steam boilers require annual internal and external inspections. High-pressure hot-water boilers require annual external inspections and triennial internal inspections. Low-pressure steam boilers require annual external inspections and triennial internal inspections, while low-pressure hot-water boilers require annual external inspections and internal inspections every five years. Source: https://www.chardonlabs.com/resources/commercial-boiler-inspection-regulations-by-state/ nationalboard.org says statute citation is **New York State Industrial Code Rules 4 and 14.**, as of 2026-08-05. > High-pressure steam boilers: One annual external inspection; One annual internal inspection. High-pressure, high-temperature hot-water boilers: One annual external inspection; One internal inspection triennially. If equipped with manholes and handholes, an annual inspection is required. Such boilers shall be inspected externally annually approximately six months after each internal inspection. Low-pressure steam boilers: External inspection annually; One internal inspection triennially. Low-pressure, hot-water boilers: External inspection annually; One internal inspection quinquennially (every five years). New boilers shall be hydrostatically tested upon installation and prior to service. Boilers shall be tested to 60 psi or 1-1/2 times the design pressure, whichever is greater. Source: https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select ### Power boiler inspection interval chardonlabs.com says power boiler inspection interval is **annual internal and external inspections (steam); annual external inspections and triennial internal inspections (hot-water)**, as of 2026-08-05. > Governing body: The New York City Department of Buildings administers inspections under New York State Industrial Code Rules 4 and 14. Authorized inspector types: Department inspectors conduct all first inspections. For subsequent inspections, New York City accepts commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections. Inspection frequency: High-pressure steam boilers require annual internal and external inspections. High-pressure hot-water boilers require annual external inspections and triennial internal inspections. Low-pressure steam boilers require annual external inspections and triennial internal inspections, while low-pressure hot-water boilers require annual external inspections and internal inspections every five years. Source: https://www.chardonlabs.com/resources/commercial-boiler-inspection-regulations-by-state/ nationalboard.org says power boiler inspection interval is **High-pressure steam boilers: One annual external inspection; One annual internal inspection. High-pressure, high-temperature hot-water boilers: One annual external inspection; One internal inspection triennially (annually if equipped with manholes and handholes).**, as of 2026-08-05. > High-pressure steam boilers: One annual external inspection; One annual internal inspection. High-pressure, high-temperature hot-water boilers: One annual external inspection; One internal inspection triennially. If equipped with manholes and handholes, an annual inspection is required. Such boilers shall be inspected externally annually approximately six months after each internal inspection. Low-pressure steam boilers: External inspection annually; One internal inspection triennially. Low-pressure, hot-water boilers: External inspection annually; One internal inspection quinquennially (every five years). New boilers shall be hydrostatically tested upon installation and prior to service. Boilers shall be tested to 60 psi or 1-1/2 times the design pressure, whichever is greater. Source: https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select ### Low-pressure boiler inspection interval chardonlabs.com says low-pressure boiler inspection interval is **annual external inspections and triennial internal inspections (steam); annual external inspections and internal inspections every five years (hot-water)**, as of 2026-08-05. > Governing body: The New York City Department of Buildings administers inspections under New York State Industrial Code Rules 4 and 14. Authorized inspector types: Department inspectors conduct all first inspections. For subsequent inspections, New York City accepts commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections. Inspection frequency: High-pressure steam boilers require annual internal and external inspections. High-pressure hot-water boilers require annual external inspections and triennial internal inspections. Low-pressure steam boilers require annual external inspections and triennial internal inspections, while low-pressure hot-water boilers require annual external inspections and internal inspections every five years. Source: https://www.chardonlabs.com/resources/commercial-boiler-inspection-regulations-by-state/ nationalboard.org says low-pressure boiler inspection interval is **Low-pressure steam boilers: External inspection annually; One internal inspection triennially. Low-pressure, hot-water boilers: External inspection annually; One internal inspection quinquennially (every five years).**, as of 2026-08-05. > High-pressure steam boilers: One annual external inspection; One annual internal inspection. High-pressure, high-temperature hot-water boilers: One annual external inspection; One internal inspection triennially. If equipped with manholes and handholes, an annual inspection is required. Such boilers shall be inspected externally annually approximately six months after each internal inspection. Low-pressure steam boilers: External inspection annually; One internal inspection triennially. Low-pressure, hot-water boilers: External inspection annually; One internal inspection quinquennially (every five years). New boilers shall be hydrostatically tested upon installation and prior to service. Boilers shall be tested to 60 psi or 1-1/2 times the design pressure, whichever is greater. Source: https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select ### Accepted inspector types chardonlabs.com says accepted inspector types is **Department inspectors conduct all first inspections. For subsequent inspections, commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections**, as of 2026-08-05. > Governing body: The New York City Department of Buildings administers inspections under New York State Industrial Code Rules 4 and 14. Authorized inspector types: Department inspectors conduct all first inspections. For subsequent inspections, New York City accepts commissioned insurance inspectors. Local Law 62/91 also permits NYC-licensed master plumbers, oil burner installers, and high-pressure boiler operators to conduct annual low-pressure inspections. Inspection frequency: High-pressure steam boilers require annual internal and external inspections. High-pressure hot-water boilers require annual external inspections and triennial internal inspections. Low-pressure steam boilers require annual external inspections and triennial internal inspections, while low-pressure hot-water boilers require annual external inspections and internal inspections every five years. Source: https://www.chardonlabs.com/resources/commercial-boiler-inspection-regulations-by-state/ nationalboard.org says accepted inspector types is **Inspections made by inspectors employed by insurance companies and commissioned by the department are accepted in lieu of inspections made by a department inspector.**, as of 2026-08-05. > High-pressure steam boilers: One annual external inspection; One annual internal inspection. High-pressure, high-temperature hot-water boilers: One annual external inspection; One internal inspection triennially. If equipped with manholes and handholes, an annual inspection is required. Such boilers shall be inspected externally annually approximately six months after each internal inspection. Low-pressure steam boilers: External inspection annually; One internal inspection triennially. Low-pressure, hot-water boilers: External inspection annually; One internal inspection quinquennially (every five years). New boilers shall be hydrostatically tested upon installation and prior to service. Boilers shall be tested to 60 psi or 1-1/2 times the design pressure, whichever is greater. Source: https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select ## Source - https://www.chardonlabs.com/resources/commercial-boiler-inspection-regulations-by-state/ - https://www.nationalboard.org/PrintAllSynopsis.aspx?Jurisdiction=Select Last verified: 2026-08-05. Review by: 2027-08-05. Part of [US boiler and pressure vessel inspection requirements by state](https://referencesource.org/boiler-inspection-requirements-by-state/).