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HPD Sign Questions, Answered

Straight answers about the signs NYC apartment buildings must post, the rules behind them, and how ordering works.

Which signs do I need?

Every building with 3 or more apartments needs the core set: the registration number sign, the superintendent sign, the key to heating system notice, the smoke and carbon monoxide detector notice, the suspected gas leak notice, the FDNY fire safety notice, floor number signs and the certificate of inspection visits frame.

The full sign set applies to buildings with 3 or more apartments. One and two family homes register with HPD only when the owner does not live there.

In the entrance hall, on the wall of the entrance story. The rule is HMC § 27-2104(a). The sign shows your HPD registration number, and registration must be renewed every year by September 1.

One inside every apartment entrance door, plus one in a common area near the mailboxes. The rule is FDNY 3 RCNY § 401-06.

The Housing Information Guide notice, the suspected gas leak notice, the interruption of services notice, the rent stabilized units notice and the AEP sign. We print both languages on one sign.

Rules and violations

HPD inspectors can issue a violation for each missing notice. Most sign violations are Class A. The key to heating system notice is Class C, which must be corrected within 24 hours.

HPD does not approve or certify sign makers. Our signs follow the wording and format set out in the Housing Maintenance Code, HPD rules and FDNY rules, and each one lists the code section it covers.

Since February 2, 2026, HPD allows a digital display for some notices, including the smoke and CO detector, garbage collection, bedbug and interruption of services notices. If you go digital for one, you must use it for all of them.

Natural gas detectors and their notices are due by January 1, 2027 for buildings with gas piping. HPD has said this date may be extended.

Only if at least one apartment in your building is rent stabilized. It is required under Local Law 86 of 2025 and must be posted in English and Spanish in a common area.

Orders, shipping and pickup

Standard delivery is $9.95 anywhere in NYC and nationwide. Orders over $99 ship free.

Yes, at our factory, 6404 14th Ave, Brooklyn, NY 11219. Ask for pickup when you order and we will text you when it is ready.

Yes. Choose rush production and your order ships the next business day.

Yes. Management companies outfitting several buildings get portfolio pricing, and we label each package by building address.

Yes. Our showroom at 2617 Coney Island Avenue, Brooklyn, NY is open by appointment. Call or text (718) 213-7467 to book.

Still not sure what to post?

Send us your building address and number of apartments. We will reply with a free list of every sign you need.