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  • 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

Many local hardware stores have the equipment to copy basic keys at a low cost. Some locations may have freestanding machines where you can pick out a blank and insert it and your original key into the duplicating machine.

If part of the key is protruding out of the lock, you can use a pair of needle-nosed pliers or tweezers to gently turn the key in the lock to open the door. If the key is fully inserted into the lock, you may also be able to use a key extractor to help turn the key into the unlocked position. 

But if the key breaks off halfway into the lock or you simply can’t reach it to help engage the unlocking mechanisms, you should probably call a professional.

Many insurance providers offer policy discounts when adding security features to your home. The best way to find out if new locks will reduce your premium is to simply ask your agent.

Commercial locksmith services range from $75 to $500, depending on the job's complexity, such as key duplication, lock installation, or access control system setup.

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. 

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.