What are the most common home security mistakes to avoid in the first week after moving into a new neighborhood?
The most damaging first-week mistakes are the ones that leave the previous occupant's access, devices, and routines still in place. Here's what to reset, rekey, and recheck before the boxes stop moving.
Assume nothing the previous occupant left behind is truly yours. In the first week, rekey locks, reset every code and connected device, walk the property for weak entry points, and replace move-in shortcuts with deliberate routines before they harden into habits.
Most first-week security problems are not exotic. They are the residue of the previous setup: a key still floating around, a smart lock still tied to an old account, a garage code everyone has used for years. A new home feels settled faster when you make sure the old one has actually been locked out.
Visible devices, like a newly installed alarm, are a small part of the work. The bigger first-week gains come from rekeying, resetting accounts, and walking the property.
Treat the first week as a reset window
Doors stay open, movers come and go, and boxes of clearly expensive gear sit in plain view. The goal of week one is not a finished system; it is a clean baseline. Get the access list right, get the devices re-owned, and get eyes on every entry point before routines calcify.
Day-one minimum before the first night
✓
Rekey or replace exterior locks
Treat every key you received as compromised. Previous owners, tenants, contractors, cleaners, and agents may have copies.
✓
Reset every code you did not set
Smart locks, keypads, alarm panels, and garage openers should all take new credentials created by you.
✓
Factory-reset connected devices
Cameras, doorbells, thermostats, and smart speakers that came with the home may still be tied to the prior account.
✓
Walk the exterior slowly
Doors, sliders, ground-floor windows, basement entries, the garage-to-house door, gates, and porch lights.
The six mistakes that undo new homeowners
First-week mistakes, in order of consequence
01
Trusting the keys you were handed
You usually do not know the full key history. Rekeying or replacing cylinders is the standard move; renters should ask the landlord what is permitted and whether the lock was already changed.
02
Keeping smart devices you never set up
A device you did not configure belongs to someone else until you say otherwise. Reset, create your own account, change defaults, remove shared users, and re-pair every phone and app.
03
Putting security off until the house feels settled
Move-in week is the most exposed week. Get at least one entry sensor, camera, or alarm kit live before the first night, even if the rest waits.
04
Skipping the slow property walk
Look for the small things previous residents stopped noticing: a sticky latch, a slider without a track lock, a window that wiggles, a burned-out porch bulb, a spare-key hiding spot too close to the door.
05
Never learning what the block looks like
Introduce yourself to a neighbor or two, learn trash and parking patterns, and check local public safety pages. A friendly nearby face is a real security layer, and it gives you someone who will text if a package is sitting out.
06
Letting move-in shortcuts become habits
The garage left open 'just for now,' the back door unlocked for trash runs, spare keys handed to every helper. Decide by the end of the first week who has access, where spares live, and which doors get checked at night.
Where to put devices so they actually help
Coverage decisions are easier if you map the home room by room and ask what question each device is supposed to answer. Is someone at the door? Did the package land? Is the garage open? Did the side gate move?
A first-week sensor map
Area
What to check
Useful first device
Front entry
Door contact, keypad placement, package view
Door/window sensor + keypad
Back door or slider
Latch quality, glass exposure, lighting
Door/window sensor, glass break sensor
Garage entry
Interior door to house, opener pairing, tool storage
Door sensor + motion sensor
Living area
Broad motion coverage, camera privacy
Motion sensor or one camera
Laundry, kitchen, water heater
Slow-leak and shutoff access
Water leak sensor
Build a simple week-one routine
What 'done for now' should look like
Named user codes instead of one shared family code, with expirations on cleaner and contractor access.
Boxes for TVs, computers, and other high-value items broken down before trash pickup so the curb does not advertise the move.
Indoor cameras kept out of bedrooms and bathrooms, with shared-user permissions and retention settings reviewed.
Water leak sensors placed under sinks, near the washer, and close to the water heater, since a slow leak can do more damage than an unlocked door.
Monitoring decided after the first month, once you know the home's real patterns, rather than picked under move-in pressure.
A realistic first-week sequence
Schedule rekeying or new cylinders
Have a locksmith ready so exterior locks are not the bottleneck on night one.
Close old access paths
Rekey, reset garage remotes, change smart lock codes, factory-reset any devices that came with the home, update Wi-Fi credentials.
Walk the property and install entry sensors
Doors, sliders, ground-floor windows, and the garage-to-house door first; cameras only where they answer a specific question.
Lock down routines and accounts
Remove remaining shared users, set code expirations, break down high-value boxes, meet a neighbor, and decide who actually has a key.
Review and expand
Add glass break sensors, extra cameras, leak sensors, or professional monitoring based on what the first month actually showed you.
How federal interstate rules fit in
Federal rules for moving companies cover interstate shipments: written estimates, the Federal Motor Carrier Safety Administration's 'Your Rights and Responsibilities' booklet, arbitration options, and federal liability minimums of 60 cents per pound per article. Those rules apply when a carrier takes your belongings across state lines.
An in-state move usually falls under your state's moving and utilities rules instead, which set licensing, tariffs, and dispute procedures. Loss and damage claims, billing disputes, and timing complaints typically go to the state utility or transportation regulator rather than to federal channels. If you hired a company for a local move, ask which jurisdiction governs your shipment before you sign.
SUMMARY
The bottom line
The first week is a reset window, not a renovation. Rekey, reset every code and connected device, walk the property, and turn move-in shortcuts into deliberate routines. Once access, devices, and entry points are all genuinely yours, the security upgrades that come later actually stack on top of something solid.
Common questions
Before you move on
Should I change the locks the day I move in?+
Yes, or at least rekey them that day. You usually do not know who else has a copy, and a locksmith is cheaper and faster than dealing with a future break-in that traces back to an old key.
What smart-home devices should I factory-reset after moving in?+
Anything that came with the home and you did not set up yourself: doorbell cameras, smart locks, alarm panels, thermostats, and smart speakers. Reset the router too, since cameras and locks often rely on it.
Do I need a full security system in the first week?+
No. A door/window sensor on each main entry, one motion sensor, and one camera that answers a real question is a solid starting point. Expand after the first month once you know the home's patterns.
Where should I put cameras in a new home?+
Where they answer a specific question: front door, driveway, garage, side gate, or rear entry. Avoid bedrooms and bathrooms, and review shared-user permissions and retention settings before letting anyone else see the feed.
