Locked Out of Your Own Home (By Your Ex): How to Reclaim Control of Shared Smart Home Accounts
Breaking up is complicated. But when you've spent the last two years building out a shared smart home — linked accounts, shared subscriptions, cameras, locks, thermostats all tied to the same email address — the logistics of splitting it all up can feel genuinely overwhelming. And unlike dividing the furniture, getting this wrong has real security consequences.
We're not talking about hurt feelings here. We're talking about someone potentially being able to unlock your front door from across town, adjust your thermostat, or pull a live feed from your indoor camera. That's not a hypothetical. That's what happens when account access isn't properly revoked after a separation.
This guide is specifically about the technical side of disentangling smart home accounts — not the emotional stuff, but the nuts-and-bolts work of making sure your connected home is actually yours again.
First, Make a Full Inventory of What's Connected
Before you change a single password, sit down and make a list. Every smart device in the home should be accounted for: smart locks, video doorbells, indoor and outdoor cameras, thermostats, smart speakers, lighting systems, garage door openers, alarm systems, and any appliances tied to an app.
For each one, note:
- Whose account is it registered to? (Primary account holder vs. shared/guest access)
- What platform does it run on? (Google Home, Amazon Alexa, Apple HomeKit, SmartThings, etc.)
- Is there a paid subscription attached? (Think Nest Aware, Ring Protect, ADT monitoring)
- Who physically has the hub or bridge device?
This inventory is your roadmap. Without it, you'll inevitably miss something — and the thing you miss is usually the one that matters most.
The Difference Between Primary and Shared Access
Most smart home platforms are built around a primary account holder with the ability to invite others as secondary users. That guest or family member access is usually easy to revoke — but it's not always obvious where to find it.
Google Home: Open the app, go to Settings > Home members, and remove any accounts that shouldn't have access.
Amazon Alexa: Head to More > Settings > Your Profile & Family, and manage household profiles from there. Also check individual device sharing under each device's settings.
Apple HomeKit: In the Home app, tap the house icon > Home Settings > People, and remove any invited users.
Ring: Go to Account > Shared Users and revoke access. Don't forget to check individual device sharing too — Ring lets you share specific cameras independently.
Nest/Google: Under Settings > Family, remove any linked accounts. If your Nest account is the secondary one, you'll need to work with the primary account holder — or factory reset the device if that's not an option.
The important thing: removing someone from the app doesn't automatically change passwords or revoke API-level access on older integrations. Do both.
Change Passwords — And Do It Right
This sounds obvious, but a lot of people only change the password on the main platform and forget that the same credentials often unlock half a dozen connected services. If you shared an email and password combo across your smart home ecosystem (please don't do this going forward, but we get it), you need to update every single one.
Priority order:
- The primary email account — everything else flows from here
- Your home WiFi password — yes, really. If your ex knows your WiFi password, they can potentially reconnect devices or access your network if they're ever nearby.
- Each smart home platform (Google, Amazon, Apple ID, Samsung)
- Individual device apps (Ring, Nest, Ecobee, August, etc.)
- Any third-party integrations like IFTTT or Home Assistant that may have stored credentials
When you change your WiFi password, every device in your home will drop offline temporarily. That's annoying, but it's worth it. Reconnect your devices one by one using the new credentials.
Security Devices Deserve Extra Attention
Smart locks and cameras aren't just conveniences — they're physical security systems. These need to be treated differently from, say, a shared Spotify account.
Smart locks: Most allow you to create and delete individual access codes. If your ex had their own PIN, delete it. If the lock uses Bluetooth or app-based access, revoke that too. Some locks (like August or Schlage Encode) also log entry history — check that your lock is still doing what you expect.
Video doorbells and cameras: Change the account password, yes — but also check for any cloud clip sharing or linked email notifications. Some platforms allow clips to be shared to external email addresses; make sure that's turned off.
Alarm systems: If you have a professionally monitored system, call your provider directly. Many require verbal passwords or account verification for changes, and you'll want to update the list of authorized contacts.
Sorting Out Shared Subscriptions
This is the part people often forget until the bill shows up. A lot of smart home functionality lives behind a subscription:
- Ring Protect / Nest Aware / Arlo Secure for video history
- ADT or SimpliSafe for professional monitoring
- Amazon Household for shared Alexa features
- Apple One or Google One for cloud storage tied to device footage
Decide who keeps what. If the subscription is tied to the account of the person who's leaving the home, either transfer it or cancel and resubscribe under a new account. Some providers will work with you on this — it's worth a phone call.
When Devices Need to Be Factory Reset
Sometimes the cleanest solution is a full reset. If a device is registered under an account you no longer have access to, or if you can't be certain all access has been revoked, starting fresh is the safest move.
Most smart home devices have a physical reset process (usually holding a button for 10+ seconds). After resetting, you'll register it to a new account as if it's brand new. Yes, it's a hassle. But it's also a clean slate.
This is especially worth doing for smart locks and cameras where the stakes are higher.
Moving Forward With Your Own Setup
Once you've done the work of disentangling, take a few minutes to set up your home the right way — under your own accounts, with strong unique passwords, and with two-factor authentication enabled on everything that supports it.
You've just done the hard part. A fresh setup built on solid security habits means you won't have to do it again.
Your smart home should feel like your home. Getting the accounts right is how you make that happen.
