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FLOOR NUMBER SIGN – 5.75" x 4" Aluminum Wall Mount with Adhesive Backing

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Durable aluminum Floor Number Sign (5.75" x 4") with strong red double-sided adhesive backing. Easy wall-mounted installation, 0.4MM thick, ideal for residential and commercial buildings.

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floor number sign, aluminum wall sign, building floor signage, apartment floor number, stairwell floor ID, wall mounted sign, adhesive aluminum sign, floor identification plate, durable building signage

Product Description

FLOOR NUMBER SIGN – 5.75 Inch x 4 Inch

This Floor Number Sign is a durable, professional solution for clearly marking each floor in residential and commercial properties. Built from lightweight aluminum, it is designed to withstand long-term use while maintaining a clean, modern look.

• Size: 5.75" x 4"

• Material: Premium aluminum – rust-resistant and long-lasting

• Thickness: 0.4MM

• Mounting: Red double-sided adhesive sticker with strong bonding power for quick and secure installation

• Type: Wall-mounted, non-reflective finish

• Design: High-contrast characters for clear visibility

✅ Benefits

• Quick installation – no screws or tools required

• Strong adhesive ensures the sign stays in place

• Professional look that fits any building style

• Provides easy navigation for residents, guests, and emergency personnel

Why Every Landing Needs a Floor Number and Stair Letter (on both sides of the stair door)

In an emergency, seconds matter. Clear floor numbers at every landing and a bold stair identification letter on both sides of every stair door help residents, staff, and first responders instantly confirm where they are and where they’re going. NYC’s codes require floor identification inside the stair enclosure and specific stairway ID signage on each side of the stair door, so that people exiting the stair can re-orient and fire crews entering the stair can do the same—without opening doors or guessing.

The NYC rules that apply (and how they fit together)

• Housing Maintenance Code (HMC) – Floor signs. Owners of multiple dwellings more than two stories must “post and maintain a sign…which states the number of the floor,” located in the public hall near the stairs and elevator, and within any stair enclosure. (This is HMC §27-2048; many vendors mistakenly cite §27-2049 for floor numbers—§27-2049 is actually street numbers.)

• NYC Building Code – Stairway & floor-level signs. Building Code §1023.9 requires a stairway identification sign and a floor-level sign at each landing. The floor number itself must be at least 5 inches high, positioned at about 5 feet above the landing, and placed so it’s visible whether the door is open or closed. NYC also requires posting on both sides of each stair door for the stair ID letter.

• FDNY Rules – Apartment & stairwell markings. FDNY 3 RCNY 505-01 / 505-02 standardize apartment/guest room numbers and stairwell letter designations and include guidance on placement height (typically 48–60 in. above floor) and conspicuity. These rules make it faster for fire crews to navigate and find units.

• Legacy (1968 code) references for older buildings. Article 9 of the 1968 code required floor numbering signs within each stair enclosure with numerals at least 3 in. high, plus separate stair ID letters at least 3 in. on the occupancy side. Many existing buildings still use this format; new work must follow current code.

Best-practice placement (meets code and real-world needs)

1. At every landing (inside the stair): Post the floor-level sign with a floor numeral ≥ 5 in. high, mounted with its top around 5 ft above floor level, visible with the door open and closed.

2. On both sides of the stair door: Post the stair ID letter so occupants in the corridor and users inside the stair can see it without opening the door. Use large, high-contrast letters.

3. In the corridor near stairs/elevators: For multiple dwellings, HMC §27-2048 also expects a floor number sign in the public hall near the stair/elevator—this helps orientation before entering the stair.

4. Contrast & durability: Use high-contrast characters, securely mounted, and consider photoluminescent materials for visibility in smoke or power loss.

Why it’s important (beyond avoiding violations)

• Faster, safer evacuations. Clear floor numbers and stair letters reduce hesitation and back-tracking, especially in smoke or partial darkness.

• Quicker first-responder navigation. Fire crews use stair letters and floor IDs to stage operations, advance hose lines, and locate units—standardized signage shaves off critical seconds.

• Compliance across building vintages. Posting per HMC in halls and per BC inside stairs covers both the housing and building code obligations for residential properties.

Quick code checklist for installers

• Public hall near stairs/elevators (residential): Post a visible floor number sign. (HMC §27-2048).

• Inside each stair at every landing: Post a floor-level sign with ≥ 5-in. high floor numerals, top about 5 ft above floor, visible door open/closed. (BC §1023.9).

• Stair ID letter: Post on both sides of each stair door (corridor side and stair side). (BC §1023.9).

• Legacy buildings: Where older Article 9 signs exist, ensure numerals/letters are ≥ 3 in. and contrasting; upgrade to current code specs when doing work. (1968 Code §§27-392, -393).

• Street number (for completeness): Post and maintain a street number visible from the sidewalk. (HMC §27-2049).

DISCLAIMER
We are a small, family-owned and family-operated Brooklyn-based business. We are not a City of New York store, nor are our website, products, or services affiliated with the City of New York or any agency of the City of New York. Neither we, nor our business, websites, products, services, or any hyperlinks from our website are sponsored by, approved by, affiliated with, endorsed by, or connected to the City of New York or any agency of the City of New York, including but not limited to HPD, DOB, DOT, DSNY, FDNY, or any federal entity, directly or by implication.

DISCLAIMER ON LEGAL CODES
The codes, regulations, and requirements referenced on our website may not represent the most recent or updated versions. State, federal, or local regulatory agencies may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information provided on this site or linked from it. Customers should verify all information by reviewing the official sources directly.

DISCLAIMER ON SIGN USE
The requirements for sign content depend on intended use and applicable laws. The buyer is solely responsible for determining the appropriate content for a sign or package of signs. We make no warranty or representation regarding the suitability of any sign for a specific application. It is the customer’s responsibility to ensure that the signs ordered are in compliance with all applicable state, federal, local, and municipal laws. Customers are encouraged to carefully review our Terms and Conditions prior to purchase.

GENERAL INFORMATION DISCLAIMER
All content on this site is provided for informational purposes only and does not constitute legal advice, professional advice, or a definitive statement of law. For guidance on specific requirements, customers should consult the laws and regulations referenced, as well as any rules applicable in their jurisdiction. You may wish to consult with an attorney or qualified professional to ensure compliance with all applicable legal obligations.