Are deadbolts and alarm stickers really as secure as people think for a Williamsburg brownstone?

The short answer is no. A single deadbolt and a sticker from a security company do not make a Williamsburg brownstone secure. Most people believe a handful of ideas about home security that sound reasonable but fall apart the moment you look at how break-ins actually happen in Brooklyn. Here is what is true, what is false, and what you should actually do about it.

Do most Brooklyn break-ins involve someone picking the lock or forcing the door?

This is where the biggest misconceptions live. Television and movies show thieves picking locks or using a credit card to slip a latch. In reality, the vast majority of residential break-ins involve an unlocked door, an open window, or a kick to a weak door frame. Lock picking takes skill and time. A burglar working a block in Bed-Stuy or Bushwick is not carrying a pick set. They are looking for the easiest target.

The five-minute rule is real. Studies consistently show that if entry takes longer than five minutes, most opportunistic burglars move on. That is not an argument for a cheap lock. That is an argument for hardening everything around the lock too. A Medeco M3 deadbolt on a door with a flimsy strike plate attached by half-inch screws is still a weak door. Replace the strike plate with a heavy-gauge version using three-inch screws that reach the stud. That single fix closes more of the window of opportunity than upgrading the lock cylinder alone.

Bump keys are a real technique, not a myth, but they are far less common than unlocked doors. If bump resistance matters to you, look at Abloy Protec2 or Medeco deadbolts. Both are rated to resist bumping and picking. Neither is the cheapest option on the shelf, but expensive does not automatically mean secure either. The lock has to match the door, the frame, and the way the building is actually used.

What security products for a Greenpoint loft or Bed-Stuy walk-up are actually worth buying?

Fake security cameras are a popular budget move. They have almost no deterrent effect on experienced thieves, and they do nothing once a break-in has happened. Real cameras with local storage and cloud backup, like a Reolink or Hikvision system, give you footage that is useful to police and to your insurance claim. The alarm sticker myth is similar. A sticker from a company you do not subscribe to signals nothing to anyone who has cased more than one building.

Smart locks get a bad reputation for security, and some of it is deserved for cheap no-name hardware. A Schlage Encode Plus or Yale Assure Lock 2 on a solid door with proper installation is not meaningfully easier to defeat than a keyed deadbolt. Keyless entry is not inherently unsafe. What makes a smart lock unsafe is a flimsy door, a weak frame, or a lock that was installed wrong. Wireless vulnerabilities on consumer locks have been demonstrated in lab conditions, but in practice, a Greenpoint loft is far more likely to be entered through an unlocked back door than through a Bluetooth exploit.

Double cylinder deadbolts, the kind that require a key on both sides, do add a layer of security on doors with glass panels. They also create a serious fire hazard if you cannot find the key fast. New York City fire code and basic safety sense say this is a tradeoff that deserves a real conversation before you install one. For most residential doors in East Williamsburg or Downtown Brooklyn, a single cylinder Grade 1 deadbolt with a reinforced frame covers the threat more safely.

The spare key in the planter by the front door is not security. It is an invitation. If you need to leave a key for a dog walker or a super, a lockbox with a combination is a better answer. A Master Lock 5400D key box bolted to the wall costs very little and does not broadcast "key hidden here" to anyone walking past.

What do Williamsburg renters and landlords get wrong about lock maintenance and legal rights?

WD-40 is one of the most common mistakes we see at the counter. People use it on sticky locks because it is already in the cabinet. WD-40 is a water displacer, not a lubricant. It temporarily loosens gunk, then leaves the internals dry and attracts dust. Use dry graphite powder or a product like Houdini Lock Lube. A tube lasts years and keeps the cylinder working cleanly.

Old locks are not fine just because they have been there for twenty years. A worn cylinder in a prewar walk-up in Williamsburg can be opened faster by manipulation than a new one, and the key cuts may have degraded enough that duplicate keys become unreliable. If your building still has the original locks from a 1970s renovation, a rekey at minimum is overdue. A new cylinder from Schlage B60N or Kwikset 980 series is a straightforward upgrade.

Renters in New York City can change their locks. The landlord does not have to approve it, but they are legally entitled to a copy of the new key. Skipping that step is how tenants end up in lease disputes. If your building super still has a copy of your old key and you have moved into a newly rented apartment, ask yourself who else had that key before you. A rekey costs less than most people expect and eliminates that uncertainty entirely.

The dog deterrent myth deserves a mention too. A dog can be a real deterrent, but a sign saying "Beware of Dog" with no dog behind it is exactly as useful as the alarm sticker. Experienced thieves know the difference between a building with actual security layers and one that is performing security.

If you are not sure where your building stands, walk up to the counter at B & G Locksmith inside B & G Hardware at 210 Roebling St in Williamsburg. We cut keys while you wait, stock door hardware off the shelf, and can tell you in plain terms what your locks are actually doing for you. Or call us at (347) 699-9268 to talk through what you need before you spend anything.

Frequently asked questions

Can a renter in Williamsburg legally change their locks without telling the landlord?

In New York City, tenants have the right to change their locks, but the landlord is entitled to a copy of the new key. Skipping that step can create a lease dispute. A licensed locksmith can document the work and provide a duplicate for the landlord on the spot.

Do smart locks get hacked more easily than traditional deadbolts?

Consumer-grade smart locks have had vulnerabilities, but a properly installed Schlage Encode or Yale Assure on a reinforced door is not meaningfully easier to defeat than a keyed lock. The door frame and strike plate matter more than whether the lock is smart or traditional.

Is WD-40 okay to use on a sticky lock?

No. WD-40 is a solvent and water displacer, not a lubricant. It strips existing grease and leaves the lock dry and gummy over time. Use a dry graphite spray or a purpose-made lock lubricant like Houdini Lock Lube instead.