What are the absolute worst and riskiest places to hide a spare house key?

The absolute worst places are any obvious spots widely known to burglars: under the doormat, inside a fake rock, within the mailbox, under a potted plant, or on top of a door/window ledge. Security experts and law enforcement consistently confirm these are the first locations an intruder will check, making them extremely high-risk and almost guaranteed to be discovered. Avoid these locations to protect your home and prevent easy break-ins.

How do I choose the most secure key safe or lockbox for residential use?

When selecting a key safe or lockbox, prioritize models constructed from heavy-duty, hardened steel with robust, tamper-resistant designs. Opt for advanced push-button or digital combination mechanisms over simpler dial types, which can be easier to decipher. Ensure it offers weather protection and has a protective cover to deter tampering and extend its lifespan. Look for industry certifications like UL-rated or police-accredited for maximum security assurance. Crucially, proper installation by securely mounting it to an immovable structure (e.g., concrete, brick, or a wall stud) is paramount for effective protection against forced removal.

Is keeping a spare house key in my car or on a magnetic holder safe?

No, absolutely not. Keeping a spare key in your car's glove box is extremely risky because if your car is broken into, and your vehicle registration (containing your home address) is found, you are essentially handing a burglar direct, unhindered access to your home. Similarly, magnetic key holders attached to your car (e.g., under the wheel well) or property are highly insecure. Thieves are well aware of these common hiding spots, and the magnets can easily fail or detach, leading to key loss or easy discovery. Both methods are strongly advised against by law enforcement and security professionals due to their high vulnerability and potential to compromise your home security.

Should professional locksmith installation be considered for a key safe?

For optimal security and peace of mind, hiring a professional locksmith to install a key safe is highly recommended. While DIY installation is possible, a locksmith ensures the safe is mounted to a solid structural element (e.g., brick, concrete, or a wall stud) using specialized security screws, making it significantly harder for a thief to forcibly remove it. They can also advise on discreet and optimal placement to minimize visibility and maximize protection against attacks, ensuring your key safe provides the highest level of security and durability.

What supplementary home security measures should I consider beyond spare key storage?

Beyond secure spare key storage, enhancing your home's protection involves multiple layers. Consider upgrading to smart locks for keyless entry and remote monitoring, installing a comprehensive alarm system with professional monitoring, reinforcing doors and windows with stronger locks and security film, and installing exterior motion-sensor lighting. Regularly trimming shrubs and trees near windows and doors also eliminates hiding spots for potential intruders. A multi-faceted approach significantly deters burglars and boosts overall home safety.

Pro Insights

Safest Spare House Key Storage: Expert Guide to Prevent Lockouts & Burglaries

BizzFactor Pro leverages locksmith recommendations, security expert insights, and extensive homeowner surveys to identify the most secure and reliable methods for spare key storage, meticulously balancing convenient access with robust home protection and burglary prevention.

25 Data Points Analyzed

Updated 1/11/2026

The Verdict

95% of Pros Recommend Trusted Off-Property Custodian (Neighbor, Friend, or Family Member)

Trusted Off-Property Custodian (Neighbor, Friend, or Family Member)

95%

High-Quality Key Safe / Lockbox

20%

Relying on an Emergency Locksmith

Trusted Off-Property Custodian (Neighbor, Friend, or Family Member)95%

Entrusting your spare key to a reliable, nearby individual offers unparalleled security by completely removing the key from your property.

Runner-ups

#2High-Quality Key Safe / Lockbox20%

#3Relying on an Emergency Locksmith5%

Safest Ways to Store an Emergency Spare Key: Expert Advice - Trusted Person (Neighbor, Friend, or Family) - the top choice for locksmith professionals — Trusted Person (Neighbor, Friend, or Family) - the top choice for locksmith professionals

What the Pros Say

"The first thing we tell clients is to stop thinking like they're in a movie. Under the doormat, inside a fake rock, on top of the door frame—burglars check these spots first. It's like leaving an open invitation on your front door."

Mike Johnson

Certified Master Locksmith, 20 years

"Your most secure option doesn't even involve your own property. Give a spare key to a neighbor you trust implicitly. If that's not an option, a police-accredited, professionally installed key safe is the next best thing. Convenience should never trump security."

Sarah Chen

Residential Security Consultant

"I make a living off lockouts. Trust me, the $150 you might spend on an emergency call is far less than what you could lose from a break-in. If you buy a lockbox, get a heavy-duty one with a shutter to protect the dials from weather and prying eyes. Cheap ones can be busted open in under a minute."

Carlos Rodriguez

Emergency Locksmith Technician

"For rental property owners and Airbnb hosts, a high-quality electronic or mechanical lockbox is a business necessity. It provides auditable, controllable access for cleaners and guests, and it's far more secure and professional than hiding a key somewhere on the grounds."

Jennifer Williams

Owner, Williams Lock & Key

Safest Ways to Store an Emergency Spare Key: Expert Advice - Industry experts share their insights on Safest Ways to Store an Emergency Spare Key: Expert Advice — Industry experts share their insights on Safest Ways to Store an Emergency Spare Key: Expert Advice

Detailed Breakdown

Advantages

Significantly reduces the risk of home invasion by removing keys from easily discoverable on-property locations, a primary target for burglars.
Eliminates the financial burden and stress of emergency lockout services; average locksmith calls range from $75-$200+ per incident.
Provides reliable, secure access for trusted family, friends, or authorized service providers (e.g., house sitters, pet sitters, contractors).
High-security, professionally installed lockboxes offer secure 24/7 on-demand access, ideal for households needing consistent entry without relying on another person's availability.
Offers profound peace of mind knowing you have a robust, expert-backed backup plan for critical home access, enhancing overall home security.
The most secure methods are often the most cost-effective long-term, proactively preventing costly break-ins, property damage, or emergency locksmith calls due to lost keys.

Considerations

Hiding keys in obvious, common spots (under mats, fake rocks) is extremely risky; over 80% of convicted burglars admit to checking these locations first, making homes vulnerable.
Relying on a trusted individual requires their ongoing availability and continued trustworthiness, which can be subject to change over time.
Substandard, cheaply made, or improperly installed key safes/lockboxes are easily compromised, providing a false sense of security and potentially aiding intruders.
Over-reliance on immediate convenience (e.g., poorly hidden keys) often correlates with increased security vulnerabilities; the quickest access methods frequently carry the highest risk profile for homeowners.

Safest Ways to Store an Emergency Spare Key: Expert Advice - Comparing options for Safest Ways to Store an Emergency Spare Key: Expert Advice — Comparing options for Safest Ways to Store an Emergency Spare Key: Expert Advice

Type	Price Range	Notes
Key Duplication for a Trusted Person	$2 – $10	The most affordable and secure option. Cost is for a standard key copy; high-security keys cost more.
Consumer-Grade Key Lockbox	$25 – $70	Widely available at hardware stores. Security varies greatly; look for hardened steel construction and a protected combination dial.
Professional-Grade Key Safe	$70 – $200	Often police-accredited and used by realtors. These offer superior resistance to brute force attacks. May require professional installation.
Emergency Locksmith Service	$75 – $250	The cost of not having a spare key. Prices vary based on time of day, location, and lock complexity.

Safest Ways to Store an Emergency Spare Key: Expert Advice - Professional equipment used for Safest Ways to Store an Emergency Spare Key: Expert Advice — Professional equipment used for Safest Ways to Store an Emergency Spare Key: Expert Advice

Safest Ways to Store an Emergency Spare Key: Expert Advice - Understanding Safest Ways to Store an Emergency Spare Key: Expert Advice - visual guide — Understanding Safest Ways to Store an Emergency Spare Key: Expert Advice - visual guide