HPD

Steam radiator inspections (Local Law 151)

Buildings with steam heat have radiators inspected at least every two years where a child under six lives, starting with the January 2027 notice.

The clock

When it comes due

Who it applies to: Buildings with three or more apartments and steam heat: apartments with a steam radiator where a child under six lives, and the common areas
When: At least once every two years
HPD began enforcing on May 9, 2026
From January 2027, the radiator notice goes out January 1 to 16, tenants return it by February 15, and by March 1 the owner files a Tenant No Response Form with HPD for each apartment that didn’t answer
The Health Department’s window guard page says January 1 to 15, so delivering by January 15 meets both
Who does it: A qualified inspector: a licensed master plumber, high-pressure boiler operating engineer, stationary engineer, oil burning equipment installer or mechanical contractor, someone under their direct supervision, or a superintendent who has reviewed HPD’s training manual and signed HPD’s certification form with the owner. The inspector also signs an Affidavit of Qualification each year
What happens next: An uncontrolled steam leak or severe corrosion: the inspector shuts the boiler down right away
Other defects: tell the tenant, the owner and HPD within 48 hours; a hazardous radiator comes out of service within 24 hours and is repaired or replaced within 7 days; other defects are fixed within 14 days
Keep a Record of Steam Radiator Inspection for each apartment and the common areas; not keeping or providing records can bring a penalty of up to $500

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