Avoiding locksmith scams in Paris
Updated 12 August 2026 · 6 min read
Emergency locksmithing is one of the most reported sectors to the French consumer authority. This guide sets out how a typical scam works end to end, the questions to ask before anyone comes out, and what you can do if you've already paid an abusive invoice.
The short version
- Get a total inc-VAT price on the phone, before anyone travels. A professional can quote a door opening: being unwilling to is the most reliable warning sign.
- You're owed a detailed written quote — materials, labour, call-out — before any locksmith repair or emergency work, whatever the amount (French order of 24 January 2017). The old €150 threshold no longer applies to this trade.
- A gap between the price quoted on the phone and the quote handed to you at the door is the moment to say no — not after the work.
- Already paid an abusive invoice: request the itemised invoice, dispute it by recorded-delivery letter, then report it to the DGCCRF via SignalConso.
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Why this sector attracts so much abuse
A scam needs three ingredients: urgency, an information gap, and no immediate alternative. Emergency locksmithing supplies all three. You're outside, it's late, you have no idea what opening a door costs, and the first number that answers holds an overwhelming advantage over you.
This isn't a few bad apples: it's an industrialised business model that runs on panic. Investigations by the DGCCRF, the French consumer authority, regularly find irregularities at a large majority of the home-repair businesses they inspect, with locksmithing among the most reported activities.
The practical consequence is simple. The question isn't "is this locksmith honest?" — you can't answer that at 11pm.
The real question is "do I have a verifiable price commitment before anyone touches my door?" The rest of this guide is about getting that commitment.
How a typical scam works, step by step
The pattern is nearly always identical, and recognising it is usually enough to get out of it.
- An online ad shows an unrealistic headline price — "openings from €39" — and a local address that doesn't physically exist.
- The number routes to a call platform, not a tradesperson. The operator stays vague on price: "it depends, the technician will assess on site".
- The platform dispatches someone paid on commission from the final amount. Their pay therefore depends directly on inflating your invoice.
- On site the door is drilled when a non-destructive opening was possible. Drilling manufactures a need: the lock now has to be replaced.
- The replacement is billed with a low-grade cylinder priced like a certified one, plus labour, plus call-out, plus an out-of-hours surcharge.
- Payment is demanded immediately by card, often with no itemised invoice and sometimes with no signed quote — which is illegal.
Warning signs, before anyone even travels
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All of these are detectable on the phone — while walking away still costs you nothing.
- Refusing to give any price, even as a range, before travelling.
- Refusing to send a written quote by text, email or WhatsApp before the work.
- A spectacularly low headline rate, always followed by "but it depends on the lock".
- An operator who can't give the company's exact name, registration number or address.
- Pressure to pay by card, and refusal to say what opening method is planned.
- An ad showing an address in your arrondissement when the business is a national call centre.
What French law requires, and many people don't know
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The order of 24 January 2017 requires a detailed written quote before work starts. It governs price transparency for repair, maintenance and emergency work in the building trades, locksmithing included.
That quote must itemise, among other things, materials and labour, travel costs, and whether the quote itself is chargeable. The obligation depends on no amount: the old €150 threshold belonged to the 1990 text, which the 2017 order repealed.
A tradesperson working at your home is also concluding an "off-premises" contract, which in principle opens a 14-day right of withdrawal.
The exception matters: urgent repair or maintenance work you expressly requested is excluded from that right, but only for what was strictly necessary to deal with the emergency.
Anything beyond that keeps the withdrawal period: reinforcement sold on the spot, or a premium cylinder offered on the doorstep.
Finally, you must be given an itemised invoice. In practice that's your best protection: a professional who won't put in writing what they're charging has told you everything you need to know.
Four questions to ask on the phone
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They take thirty seconds and eliminate almost every abusive intermediary. A serious business answers all four without hesitating.
- "What's the total price including VAT, travel and labour, for opening a slammed door?" A firm order of magnitude should be available.
- "Can you send that to me in writing before you come?" A text or WhatsApp message is enough, and gives you a record.
- "What method do you plan to use, and in what case would you drill?" The answer should be: drilling as a last resort, announced beforehand.
- "What's the exact company name and registration number?" Verifiable in seconds on the public business register.
During the job: three simple rules
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The locksmith is at your door. Three rules are enough to keep control of what happens next.
- Don't let work start without a signed quote if the amount exceeds what you were told on the phone. A gap between the phone quote and the paper presented on your landing is the moment to say no — not afterwards.
- Be wary of drilling presented as unavoidable. On a slammed door, non-destructive opening works in the large majority of cases. A competent professional explains why they can't do otherwise, if they genuinely can't.
- Don't pay without an itemised invoice. If a card terminal appears before a written document, the order has been reversed, and that's deliberate.
You've already paid an abusive invoice: what to do
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Nothing is lost, but act quickly and in writing. Take the steps in this order.
- Demand the itemised invoice if you don't have it: without it you have nothing to dispute.
- Dispute it by recorded-delivery letter, citing the gap between the price quoted and the amount billed, and any absence of a prior quote.
- Report the business on SignalConso, the DGCCRF's reporting platform: reports feed inspections and are taken seriously.
- Refer the matter to the consumer mediator if the business subscribes to a mediation scheme: the process is free to you. Where there's clear fraud, a criminal complaint remains possible.
- Tell your home insurer if the work followed a break-in: some policies cover locksmith costs, and the insurer has a direct interest in examining an abnormal invoice.
Frequently asked questions
Can a locksmith refuse to give a price on the phone?
They can legitimately decline to commit to the exact cent without seeing the door, but they can't refuse any range at all: the price of a standard slammed-door opening is well known across the trade. A blanket refusal to quote, even approximately, is the single most reliable warning sign in this sector.
Is drilling the lock normal on a slammed door?
No, it's the exception. A door that has simply pulled shut, without the key being turned, usually opens without damage. Drilling becomes legitimate on a door deadlocked with several turns, a broken cylinder or a jammed mechanism — and even then it must be explained and priced before it's carried out.
Can I refuse to pay if the invoice doesn't match the quote?
You owe what was agreed, not what was added unilaterally. If the invoice exceeds the signed quote with no variation you accepted, dispute it in writing, pay the quoted amount and refuse the excess. Keep everything: quote, invoice, texts, WhatsApp messages.
How do I check a locksmith business actually exists?
Ask for its SIRET registration number and check it on the official business register. A real business has a number, an address and a declared activity. An address that turns out to be a mailbox, or a number that can't be found in public records, tells you the person you're speaking to isn't the one who'll turn up.
What we do
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