Home Security

A good home is a safe home. But making your happy place more secure goes beyond high-tech automation systems and guard dogs—you need strong windows, doors, locks, and even landscaping to sure up weak spots in your current deterrent systems. Browse our library of expert guidance to help protect your home and the ones you love the most.

Woman ringing doorbell in front of red door
Photo: fizkes / Adobe Stock
Woman ringing doorbell in front of red door
Photo: fizkes / Adobe Stock
Explore top articles
From average costs to expert advice, get all the answers you need to get your job done.
A home terrace in the night
Scott Dylan Westerlund
•
Oct 3, 2024
Oct 3, 2024
Motion-sensor lighting costs vary greatly because they have so many customizations available. Learn more by using this cost guide about motion-sensor lights.
Person installing exterior home security camera
Kelly Weimert
•
Oct 7, 2024
Oct 7, 2024
Feeling safe at home should always be a priority, and installing a new security system can help you do just that—no matter where you live.
Entrance to the apartment with a modern door
Mitchell Grant
•
Jan 27, 2025
Jan 27, 2025
The cost of a fire door depends on more than just the door. Labor, safety inspections, and the door’s rating all factor into the fire door cost.
Parents and baby resting in the living room
Shannon Cooper
•
Jul 18, 2024
Jul 18, 2024
Home fire sprinkler system maintenance is paramount to ensure your safety in case of a fire. See how you can keep your fire sprinklers in tip-top shape here.
Woman resetting security system at home
Taylor Sansano
•
Oct 7, 2024
Oct 7, 2024
Need to know how to reset an alarm system? Our guide outlines the four easy steps it takes to reset your device without needing to call a pro.
Woman opening apartment entrance door
Allie Ogletree
•
Nov 6, 2024
Nov 6, 2024
Learn how to secure an apartment by fortifying entry points, using tech, and building neighborly bonds with these 12 tips.
Need help finding the right pro?
Share your project details and we’ll match you with up to 3 available pros near you.
View all articles
A fire sprinkler system located on the ceiling of a room
Lauren Bongard  •  May 27, 2025
Home Fire Sprinkler System Cost [2025 Data]
If you’re looking to increase your home’s protection against fires, use this guide to explore home fire sprinkler system costs and what can impact the price.
Mother embracing her children when coming home
Scott Dylan Westerlund  •  May 2, 2025
How Much Does It Cost to Change a Lock?
Installing new door locks every seven years can make a home safer and possibly earn you a home insurance discount. Here’s how much it costs to change a lock.
A white front door
Scott Dylan Westerlund  •  Apr 28, 2025
How Much Does a Locksmith Cost? [2025 Data]
Locked out of your car or home? Need to rekey your house? Here’s how much a locksmith costs and what you need to know before calling one.
A bright kitchen
Mitchell Grant  •  Apr 22, 2025
Why Does My Smoke Alarm Keep Beeping? 9 Causes and Solutions
How often do you ask yourself, why does my fire alarm keep beeping? There are plenty of culprits behind such an issue and a number of easy fixes.
A person pressing the button on a carbon monoxide alarm
Mariel Loveland  •  Mar 24, 2025
Why Is My Carbon Monoxide Alarm Beeping? Here’s What to Do When Your CO Detector Goes Off
Wondering why your carbon monoxide alarm is beeping? This guide will help you understand the different sounds that come from your device.
man adjusting security camera
Melissa Graham  •  Mar 10, 2025
5 Questions to Ask When Installing or Repairing Surveillance Cameras
From your desired timeline to how many cameras you need repaired or installed, prepare to talk to a pro about these important surveillance camera questions.
Woman checking smoke detector
Gemma Johnstone  •  Feb 25, 2025
Who to Hire to Replace Smoke Detectors: What to Know
Every homeowner should learn how to replace a hardwired smoke alarm, which you must do at least every decade. This guide will talk you through the process.
smoke detector mounted on ceiling
Deirdre Sullivan  •  Feb 14, 2025
How Much Does Smoke Detector Installation Cost? [2025 Data]
Discover how much smoke detector installation costs. Understand your out-of-pocket expenses so you can protect your family and home.
Entrance to the apartment with a modern door
Mitchell Grant  •  Jan 27, 2025
How Much Does a Fire Door Cost? [2025 Data]
The cost of a fire door depends on more than just the door. Labor, safety inspections, and the door’s rating all factor into the fire door cost.
Couple arriving at a vacation home
Scott Dylan Westerlund  •  Jan 7, 2025
How Much Does It Cost to Copy a Key?
Copying a key can be affordable, depending on the type. Learn about the cost of copying a key and what to do when you need a replacement.
A locksmith repairing a door lock
Heather Ayer  •  Jan 2, 2025
How to Find a Locksmith That’s Reliable: Top Tips on What to Look for
Need new locks or locked out? You probably have questions about finding a reliable locksmith. This guide can help you hire a professional you can trust.
Woman opening apartment entrance door
Allie Ogletree  •  Nov 6, 2024
12 Effective Tips to Secure Your Apartment
Learn how to secure an apartment by fortifying entry points, using tech, and building neighborly bonds with these 12 tips.