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TRUSTED BY SOUTH PLAINFIELD, NJ HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon118
    Verified locksmith services reviews

Top-Rated Locksmiths in South Plainfield - Updated Nov 2026

Avatar for SafeStreets - ADT Authorized Provider
SafeStreets - ADT Authorized Provider
4.8(
320
)
Security Safe - Install

Serving South Plainfield, NJ and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Emergency services offered

"SafeStreets provided an outstanding experience from start to finish. The installation was quick, and the technician explained everything clearly. The system works perfectly, and the home automation features are a huge bonus. Highly recommend SafeStreets!"
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+1

4 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Mr. Handyman of S. Orange/Westfield/Scotch Plains & Metuchen
Mr. Handyman of S. Orange/Westfield/Scotch Plains & Metuchen
4.5(
517
)
Hardware, Latches & Tracks (Door) - Repair or Replace

Serving South Plainfield, NJ and surrounding areas

Approved

In business since 2008

Warranties offered

Credit card accepted

"I highly recommend Robert from Mr. Handyman. He was prompt and professional. He replaced the glass for my storm door, including the light bulbs for my ceiling. He also clean up the workspace afterward. The work was completed efficiently. I'll definitely hire him again."
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+350

Response time3 days
Response rate100%
2 neighbors recently requested a quote
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Locksmiths FAQs, answered by experts

Lubricating a door lock is an important part of door lock maintenance. It involves taking the lubricant of your choice (it’s best to use whatever the lock’s manufacturer suggests) and spraying it directly into the keyway. Push and pull your key in and out of the lock to make sure it’s all the way in. 

Yes, with better technology now available, it’s possible to add a smart lock on your sliding glass door. Smart locks can be easy for almost everyone in the family to operate and can connect to other safety features in the home, like smart lights. Plus, they’re harder for would-be criminals to pick. However, keep in mind that smart locks can potentially be hacked, and some completely rely on phones or Wi-Fi, which can be an issue if the power goes out.

You can cut a door knob off using a sawzall, but you risk causing additional damage to the door itself. You’ll also need to completely replace the door knob, costing you extra money and another trip to the hardware store.

It could be difficult to get in and out of a lock for several reasons, such as the keyhole needing additional lubrication. Particles, debris, and dirt can also get into a lock, making a key stuck (the lubrication can help with the removal). 

Yes, it’s possible a burglar can get through a deadbolt. Some types of deadbolts are harder for an intruder to get through, though. For example, a single-cylinder lock only requires breaking a window nearby and simply turning it. While other locks, such as a double-cylinder lock, may offer greater protection and make it harder for an intruder, no deadbolt is 100 percent effective.

The South Plainfield, NJ homeowners’ guide to locksmith services

From average costs to expert advice, get all the answers you need to get your job done.