Home / Guides / Master Key Systems in Lower East Side
One master key, total control — designed for buildings and businesses. Lower East Side landlords and supers rely on clean master-key hierarchies across multi-unit buildings — we design and maintain them.
Around here, Tenement Museum sets the tone and Delancey St and Orchard St carry the foot traffic. Pre-war tenements and walk-ups with original mortise locks sit beside new developments with modern hardware — we service both daily.
Our home turf. The Lower East Side mixes historic tenement buildings with new luxury towers, classic walk-ups with ornate old storefronts. It's where we answer the most calls — and where our vans are never far away. When it comes to master key systems, that local character matters.
For Lower East Side properties we draft a keying schedule mapping every door, then pin the hierarchy — master, sub-master, change keys — with no cross-keying. Pre-war tenements and walk-ups with original mortise locks sit beside new developments with modern hardware — we service both daily.
Whether you're by Tenement Museum or over on Delancey St, the process is the same: call (212) 300-7173, describe the situation, and get a straight answer on timing.
Yes — Lower East Side is part of our regular Manhattan service area. Pre-war tenements and walk-ups with original mortise locks sit beside new developments with modern hardware — we service both daily. Our vans carry the hardware this neighborhood's doors actually use.
We build systems on restricted, patented keyways. Blanks are only available through us with your written authorization. For Lower East Side buildings in particular: Pre-war tenements and walk-ups with original mortise locks sit beside new developments with modern hardware.