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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon90
    Verified locksmith services reviews

Top-Rated Locksmiths in Signal Hill - Updated Nov 2026

Avatar for Luckey Locksmith Services, Inc.
Luckey Locksmith Services, Inc.
4.9(
69
)
LocksmithLocksmith - For Business

Serving Signal Hill, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Luckey locksmith is a very professional company with excellent skill technician who’s name is David, he is not only a great helper in his locksmith job, but also very polite and charge customers with a fairly reasonable price, I am highly recommend to everyone who ever needs locksmith services, Luckey locksmith is the first and best choice! 👍👍👍"
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+38

Response time5 hrs
Response rate86%
56 neighbors recently requested a quote
Avatar for SafeStreets - ADT Authorized Provider
SafeStreets - ADT Authorized Provider
4.8(
320
)
Security Safe - Install

Serving Signal Hill, CA and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Emergency services offered

"I would like to recognize employee Doug A at SafeStreet/ADT. We’ve had an old security system sitting in our house for over 15 years without service or functionality. He took the time to explain the differences between how the old systems work and how the new systems work. He was patient with us, and we are happy customers."
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+1

4 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Silva Security Solutions
Silva Security Solutions
5.0(
6
)
Locksmith - For Business

Serving Signal Hill, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

We are a local family-owned company focusing on both commercial and residential projects. Our staff has over 30 years of combined experience and we are proud to serve Orange County, and the surrounding areas. Give us a call, today, for scheduling and a job well done!

Call for Free Quote
Local Locksmith
Response time1 day
Recommended by100%of homeowners
Avatar for ADT
ADT
4.5(
889
)
Security Safe - Install

Serving Signal Hill, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1874

Free estimates

Emergency services offered

"Walter and Glen at Protect Your Home Group with ADT are the best people to talk to in terms of security alarm. Being a locksmith myself I know how important it is to deal with the right people. I referred a lot of customers to them and so far they are happy with their service. I myself got one for my house. Thank you for a consistent service and great deal."
Home Security Essentials
Smart Home Security
Cameras
Our Team
Home Security Essentials

+35

36 neighbors recently requested a quote
Recommended by88%of homeowners
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Showing 1-10 of 275
Locksmiths FAQs, answered by experts

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.

It depends on the quality of the keyless lock and usage, but in general, you can expect a keyless lock to last around three to five years. The batteries typically last around six to 12 months. The good news is most keyless locks include a low battery indicator so you can receive ample warning if your battery is about to die.

Expect to pay between $50 to $200 if you hire a locksmith to change your locks. That figure includes labor and the cost of basic hardware. The cost will naturally be higher if you plan to install more expensive locks, like smart locks, and if you need a lot of them.

Homeowners can save money by replacing locks themselves. A typical rekeying kit costs about $10 to $25. The only additional cost is purchasing new house keys, and those are no more than a few dollars per key. If you want to replace the locks on your own completely, the main cost is the price of the locks themselves. A standard knob-style lock starts around $25, while electronic locks and smart locks will run in the hundreds of dollars. The only additional tools you should need are a tape measure, screwdriver, and screws if they are not already provided.

Costs depend on lock type, service complexity, labor, emergency availability, and whether security system integration is needed.

Yes, but adding a deadbolt to some door materials, like steel, may make installation a little bit trickier. For these materials, you will want to hire a locksmith to do the work for you, but be aware that they may charge an additional fee of $25 to $50 or more.

The Signal Hill, CA homeowners’ guide to locksmith services

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