How Do You Prevent Getting Locked Out of Your Home?
A lockout is an avoidable inconvenience in most cases. Here is a practical prevention framework.
Have a Spare Key Strategy
Every household should have at least one spare key accessible without the primary keyring. Options: a trusted neighbor or family member who can bring the key to you. A lockbox (combination key safe) mounted in a concealed location on the exterior $20 to $40 for a standard model, $60 to $100 for a heavy-duty model. A spare key stored at your workplace. The critical requirement: the spare must be accessible when you are locked out, which means it cannot be inside the home you are locked out of. A key hidden under a doormat or in an obvious fake rock is not a good spare it is a security vulnerability. (For more on this, see Home Lock Security: What Grade Means and Why It Matters.)
Install a Keypad or Smart Lock
A keypad deadbolt eliminates the locked-out-without-a-key scenario entirely. You enter a code rather than a physical key you can be locked out only if you forget the code, which is far less likely than leaving keys inside. Keypad deadbolts that include a backup physical key option are the standard recommendation codes for daily use, physical key as backup. Most keypad deadbolts are Grade 2 or Grade 1 rated and cost $100 to $300 per lock installed. A smart lock with remote unlock via smartphone adds the ability to let yourself in if you are locked out and have your phone or to have a family member unlock the door remotely from anywhere.
Develop a Departure Habit
Most lockouts happen through an automatic or absentminded exit without keys leaving through a door that auto-locks, stepping out briefly without grabbing keys. Habits that prevent this: always check for keys before leaving. Hang keys in a consistent, visible location near the primary exit. Use a keychain with a distinctive feature (large tag, colorful attachment) that makes missing keys more noticeable. Auto-lock settings on smart locks can also lock you out review and set appropriate auto-lock delay (60 to 90 seconds after door closure is a common recommendation, giving time to retrieve a forgotten item). (For more on this, see Smart Locks: Cost, Installation, and What to Know.)
Working With a Contractor on This Project
Getting the right outcome on any home services project starts before the work begins. A few consistent practices make the difference between a smooth project and a frustrating one.
Get at least two or three quotes. A single quote gives you no basis for comparison. Two or three quotes reveal the market rate for the work, expose scope differences between bidders, and let you assess contractor communication quality before any commitment is made. The lowest bid is not automatically the best value if the scope is thin or the materials are underspecified.
Ask for licenses and insurance before work starts. Verify current general liability insurance and, for any work involving workers on your property, workers compensation coverage. Licensing requirements vary by state and trade; confirm the specific requirements in your jurisdiction. A licensed contractor who carries appropriate insurance protects both parties if something goes wrong during the project. (For more on this, see Questions to Ask Before Hiring a Locksmith.)
Get the scope in writing. A written proposal that specifies materials, labor scope, timeline, what is included (permits, cleanup, disposal), and warranty terms is the foundation of a professional engagement. Verbal agreements on any of these points invite misunderstanding. For any project over $500, written scope is non-negotiable.
Clarify the payment schedule upfront. A reasonable payment schedule ties major payments to project milestones: a deposit at signing, a payment at material delivery or project start, and a final payment at completion after a walkthrough confirms satisfaction. A contractor who requires full payment upfront before work begins is a red flag in any trade.
Making a Confident Decision
The information in this article is designed to help you ask better questions of the professionals you work with, evaluate their answers with more confidence, and understand the decisions involved in this type of home services project. It is not a substitute for professional assessment of your specific home.
Every home is different. Roof slopes, local weather, tree exposure, soil conditions, and existing system condition all affect what the right solution is for your specific situation. The general principles here apply broadly, but a professional who assesses your home in person will give you guidance that accounts for the details that general articles cannot.
When you are ready to move forward, getting at least two or three quotes from licensed, insured, local contractors is the most important practical step. It lets you compare approaches, assess contractor quality, and confirm that the solution proposed matches your specific situation and budget.
Cost figures on this page were checked against published pricing on August 28, 2026. How we source cost data.
