Short answer. A skilled locksmith with time and a drill can get through almost anything. What they cannot do is open every lock fast, clean and legally. High-security cylinders, top-rated safe locks, newer car keys, keyless smart locks and anything the customer cannot prove they own are where most locksmiths stop.
That is the answer for the person who typed the question. This post is for you, the shop owner. Because every person asking it is about to hire somebody, and the hard locks are the best-paying calls in the trade.
Key points.
- No lock is truly unpickable. Some are built to resist long enough that drilling or a bypass is the real method.
- The limits are time, tools, security data and the law, not raw skill.
- Each limit is a specialty job. Safe opening, high-security rekeys and car key programming all pay more than a house lockout.
- The searchers want honesty. Say what you pick, what you drill, and what you refer out.
- On October 10, 2026 the top results for this question were forum threads, a lock-pick store, a puzzle post and a locksmith blog from 2015. There is room for a shop that answers it well.
The Locks That Stop Most Locksmiths
We work with a lot of locksmith shops, and the same five jobs come up every time an owner says "we don't do those." Here they are, worst first.
High-Security Door Cylinders
Brands like Medeco, Abloy, Mul-T-Lock and ASSA sell cylinders made to beat the tools a normal service call carries. Many are listed to UL 437. That standard tests door cylinders against picking and impressioning for 10 minutes each and against drilling, sawing, prying, pulling and punching for 5 minutes each, according to the Lockwiki summary of UL 437.
Ten minutes does not sound like much. On a lockout with a customer standing in the cold, it is forever. So the honest answer is that most locksmiths do not pick these. They drill, bypass the door or use the key if anyone can find one.
Safes With Group 1 Locks
A cheap fire box opens in minutes. A real safe is a different trade. Safe locks are rated under UL 768, and Sargent and Greenleaf describes its Group 1 Model 2937 as giving twenty man-hours of resistance to expert manipulation. Nobody is paying for twenty hours of dialing.
So a safe tech drills a small hole in exactly the right spot, scopes the lock, opens it and repairs the hole. That takes drill points, a hard-plate plan and training most general locksmiths never bought. A locksmith who tries it without them ruins the safe.
Newer Cars and Push-to-Start Keys
Here the wall is data, not metal. To pull key codes and immobilizer data from automakers, a locksmith needs a Vehicle Security Professional account with NASTF. NASTF lists it at $435 for a two-year primary subscription, and it needs business documents and a background check. The free tier does not include key codes, and the primary account holder is responsible for verifying customer authorization.
Add the programmer, the software subscriptions and the blanks, and plenty of shops simply say "go to the dealer." That is a car key job walking out the door.
Keyless Smart Locks
A smart lock with no keyway and a dead battery is a puzzle, not a pick job. Some keypad models have emergency power contacts on the outside so the owner can wake the lock. When they do not, the locksmith is choosing between the door, the frame, a window or a destroyed lock. Smart lock lockouts are a new call type, and most shop websites say nothing about them.
Locks They Will Not Open
This is the line the forums forget. A good locksmith will not open a lock for someone who cannot show they have the right to be inside. In 13 states, Alabama, California, Connecticut, Illinois, Louisiana, Maryland, Nevada, New Jersey, North Carolina, Oklahoma, Oregon, Texas and Virginia, locksmiths need a state license, per ALOA's licensing page as of January 2025. Some cities and counties add their own rules on top.
Restricted keys belong here too. A locksmith can often open the lock but cannot legally or physically copy the key. Patented key systems sell blanks only through authorized dealers, and many need a card or a signature on file before a copy gets cut.
A Quick Table For Your Front Desk
| Lock | Can a typical shop open it? | How it usually gets done | The job behind it |
|---|---|---|---|
| Standard house deadbolt | Yes | Pick, bypass or bump | Lockout, then a rekey |
| UL 437 high-security cylinder | Rarely without damage | Drill or bypass the door | Replacement cylinder and new key system |
| Group 1 safe lock | Only a trained safe tech | Drill and scope, then repair | Safe opening, lock change, service plan |
| Newer car with push-to-start | Only with security access and a programmer | Code pull and key programming | Car key replacement and spare keys |
| Keyless smart lock, dead battery | Sometimes | Emergency power, door bypass or destructive entry | Battery plan or a lock with a key backup |
| Rusted or broken padlock | Yes | Cut it | New padlock, maybe a keyed-alike set |
| Any lock, no proof of ownership | Should not | Turned down | None. This is how you keep your license. |
Look at the last column. Almost every "can't open" lock leads to a bigger ticket than a basic lockout. That is the whole business case for this post.
Who Is Actually Searching This
Three kinds of people type this question, and you can win all three.
The person with a fancy lock in trouble. They have a high-security deadbolt, a gun safe or a keyless smart lock, and they want to know if a locksmith can even help before they call. If your page says yes, and says how, you get the call.
The homeowner shopping for security. They read "locks a locksmith can't open" as "locks a burglar can't open." This person is about to buy a high-security cylinder or a smart lock, and they want someone to install it.
The curious. They watched a lock-picking video. They are not calling today, but they share pages and they leave reviews later. A clear answer earns the link.
How To Win the People Searching It
Here is what we do for locksmith clients, in order.
1. Build One Page Per Hard Job
Safe opening. High-security locks. Smart lock lockouts. Car key programming. Each one is its own search and needs its own page. We cover the structure in our guide to locksmith service pages that rank. One page that lists "safes, cars, high security" ranks for none of them.
2. Answer the Question On the Page, Honestly
Put a short section on each page that says what you can open, how, and when you will drill. Then promise one thing. You call the customer before you drill. Drilling without warning is one of the complaints that keeps showing up in one-star locksmith reviews, and a single sentence on your page heads it off.
Add this exact question to your FAQ and mark it up with FAQPage schema. Google pulls those answers into People Also Ask, and the forums that rank today do not have schema.
3. Show the Credentials That Make It Believable
If you hold a NASTF VSP account, say so on the car key page. If you are licensed in one of the 13 states, put the license number in the footer. If you are an authorized dealer for a high-security brand, say which one. These are facts most of your competitors leave off, and they answer the trust question before it gets asked.
4. Tell Google About the Specialty Work
Add secondary categories to your Google Business Profile for what you really do, like auto locksmith or safe and vault shop. List each specialty service on its own line. Post photos of real safe openings and real high-security installs. We walk through the full order in how to rank your locksmith business on Google Maps.
5. Refer Out What You Do Not Do
Find one safe tech and one dealer you trust. When a Group 1 safe call comes in, send it to them and tell the customer why. You lose one job and keep the customer for every rekey, lockout and car key after that. Shops that fake a safe job end up with a ruined safe and a review that follows them for years.
6. Track the Calls From These Pages
A safe opening call is worth far more than a lockout. If you cannot tell which page sent it, you will never know which page to build next. Set up call tracking the way we describe in how to track locksmith leads.
What the Top Results Get Wrong
The best locksmith-written page we found for this question is a 2015 list of four "locks that cannot be picked." It names a smart lock whose outside cylinder it admits can be picked, and it ends by saying none of them are truly safe. It never tells the reader what a locksmith will actually do, what it costs in damage, or who to call.
The other results are forum threads and puzzle posts. None of them talk about safes, car security data, licensing or proof of ownership. That gap is your page. Write it for your city, with your real services, and you will be the one answer on that results page written by somebody who does the work.
If you would rather have us build those pages, we take one locksmith per zip code.
Sources
- Lockwiki, UL 437 attack times and scope, opened October 10, 2026
- Sargent and Greenleaf, mechanical combination locks and UL group ratings, opened October 10, 2026
- NASTF support, selecting a NASTF account, page modified July 23, 2025, opened October 10, 2026
- ALOA, locksmith licensing by state, January 2025 update, opened October 10, 2026