What to Do If You Lose Your Keys
Learn the exact steps to take when you lose your house or car keys, including how to search effectively, regain access, and secure your property.
Quick answer
4 steps — read this before anything else
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1
Retrace your steps carefully and contact places you recently visited.
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2
Check if a trusted relative, neighbor, or landlord has a spare key.
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3
Call a licensed and vetted locksmith if you cannot find a spare.
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4
Replace or rekey your locks immediately if your keys were lost with personal identification.
Warning
If your keys were lost alongside personal identification showing your home address, your property is at immediate risk. Secure the premises and replace your locks right away.
Losing your keys is a common and stressful experience, but staying calm and taking structured action will help you regain entry safely while protecting your property.
What to do first
- Retrace your steps: Systematically retrace your path over the last several hours. Check your bags, coat pockets, vehicle interior, and contact recent locations such as stores, restaurants, or workplaces to ask about lost-and-found items.
- Contact a spare key holder: Check whether a family member, trusted neighbor, roommate, or landlord holds a duplicate key that can unlock the property for you.
- Hire a certified locksmith: If you are locked out without a spare, call a professional, licensed locksmith. Verify their credentials upon arrival and ask for an estimated quote before work begins to avoid predatory pricing.
- Assess personal security risks: Determine if your lost keys were attached to anything containing your address or personal identification. If your home location can be identified from the lost items, treat the situation as an urgent security risk.
What NOT to do
- Do not attempt forced entry: Avoid breaking windows, forcing doors, or picking locks yourself. This often leads to serious physical injury and expensive structural damage.
- Do not leave the property unprotected: If your keys were lost with your ID or mail displaying your address, do not leave your home unattended until the locks are rekeyed or replaced.
- Do not use unverified locksmith services: Avoid calling untraceable emergency lock service numbers without checking reviews or official business registration.
When to call for help
Contact local emergency services immediately if a child, vulnerable adult, or pet is locked inside a vehicle or home under dangerous conditions, such as extreme heat or cold. For non-emergency lockouts, contact a licensed locksmith or your building management.
How to prevent future lockouts
- Leave a spare key with a trusted contact: Entrust a spare house key to a family member or close neighbor.
- Use a smart tracker: Attach a Bluetooth tracking tag to your keychain to locate lost keys using a smartphone app.
- Upgrade to keyless access: Consider installing smart locks or keypad deadbolts to eliminate the need for physical keys.
- Establish a daily key habit: Designate a single hook or tray near your entrance where keys are placed immediately upon entering.
If you cannot locate your keys within a reasonable time, contact a qualified locksmith to regain access and evaluate whether your locks should be replaced for peace of mind.
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