
Single vs. Double Cylinder Deadbolt Installation for Hoboken Apartments
A single-cylinder deadbolt is the standard for most Hoboken apartment entry doors — a key operates it from the outside, and a thumb-turn handles it from the inside. It is the right choice for solid-core doors with no glass panels nearby. A double-cylinder deadbolt, by contrast, requires a key on both sides. This makes it well-suited for brownstone exterior doors that have decorative sidelights or glass insets, because a would-be intruder cannot simply break the glass and reach in to turn a thumb-latch. However, double-cylinder deadbolts come with a life-safety tradeoff: in a fire or emergency, you must have a key accessible to exit quickly. Our technicians walk every customer through this trade-off honestly, recommending the right cylinder type based on the specific door construction, glass proximity, and the building's egress layout.
For buildings along Bloomfield Street or the older brownstone rows near Castle Point, we frequently encounter doors that were built for mortise lock hardware rather than a standard bored cylindrical deadbolt. A mortise lock installation is a different process entirely — it requires fitting a rectangular pocket into the door edge to house the lock body, and it produces a far more robust result than a surface-mounted unit. Our team is experienced with mortise lock work on both original period doors and modern steel replacements, and we carry stock for leading hardware brands including Schlage and Kwikset so most jobs are completed in a single visit.


