Everybody checks milk. Nobody checks their fire extinguisher.
I found out mine had been dead for two years when I happened to glance at the gauge while cleaning out a cabinet. Two full years of walking past that thing, totally confident it would save me if I ever needed it. Spoiler: it would not have.
Anyway, that kicked off a mini audit of my entire house and I was genuinely shocked at how much stuff had quietly gone bad. So I made a list.
- Sunscreen — loses SPF protection after 3 years or sooner in heat
- Fire extinguishers — pressure drops over time; check the gauge yearly
- Car seats — plastic degrades from temperature swings; expire in 6–10 years
- Smoke detectors — sensors die after 10 years even with fresh batteries
- Spices — ground spices lose flavor after 2–3 years
- Medications — some lose potency or become unsafe past their date
- Passports — adult U.S. passports last 10 years; many countries need 6 months validity
- Driver’s license — renews every 4–8 years depending on state
- Insurance policies — auto, home, and health all have renewal deadlines
- Batteries — leak corrosive chemicals after 5–10 years in storage
- Domain names & web hosting — miss renewal and lose your website
- Credit cards — new card breaks every auto-pay linked to the old one
- Helmets — EPS foam degrades; replace every 3–5 years or after a crash
- Household cleaners — bleach is mostly water after six months
- Warranties — appliance and home warranties lapse without warning
- Vehicle registration & inspection — annual renewal in most states
- Coupons, gift cards & store credits — promotional balances can have short windows
Read on for the full breakdown of each item — what to check, when to replace, and why it matters.
I did my own household audit in January 2025 and found 11 expired items in a single afternoon. The worst was a car seat my wife and I had been lending to family — manufactured in 2016, expired in 2022. Three years past its date, and we'd put two nephews in it that Thanksgiving. That was the moment I realized nobody was tracking any of this.
Things That Expire Around Your Home
Household items that expire fall into five major categories: safety equipment (fire extinguishers, smoke detectors, car seats, helmets), personal care products (sunscreen, medications, contact lens solution), food and kitchen items (spices, cooking oils, canned goods, household cleaners), important documents (passports, driver’s licenses, insurance policies, vehicle registrations), and financial products (credit cards, warranties, gift cards, coupons). Most of these items don’t send you a notification when they expire — you have to check them yourself.
1. Sunscreen
That half-empty bottle from two summers ago? Basically decorative at this point.
The FDA says sunscreen should keep its original SPF for three years, but that clock starts at manufacture, not when you opened it. Heat wrecks the active ingredients way faster than most people realize — and a bottle that's been sitting in a hot car trunk all summer is basically sunscreen-flavored lotion. No expiration printed? Sharpie the purchase date on the bottom. Smells weird or looks separated? Trash it. You do not want to learn the hard way that SPF 50 has become SPF nothing.
2. Fire Extinguishers
Nobody talks about this one and it drives me crazy. Your fire extinguisher has a pressure gauge on the front. Go look at it. Right now, if you can. Needle in the green? You're good. Needle in the red, or the pin on top is gone? That thing is a paperweight. Disposable ones (which is what most people have) can't be refilled — just buy a new one. They run about $20 at any hardware store, which seems like a bargain for something that's literally designed to save your life in an emergency. The rechargeable kind need professional servicing every 6 years according to the NFPA, but honestly, who's scheduling that? Just set a calendar reminder and deal with it. See our fire extinguisher expiration guide for the full maintenance schedule.
3. Car Seats
Yes, car seats expire. I know. It sounds like a scam. It's not.
The plastic shell degrades from temperature swings — a car parked in the sun can hit 150°F inside, and over years that weakens the structural integrity of the seat. Most expire 6 to 10 years after manufacture. There's a sticker with the date, usually on the bottom or along one side. If you're using a hand-me-down from your sister's kid, check it before you strap anyone in. And one more thing: after any accident, even a minor one, most manufacturers say you should replace it. The foam inside compresses on impact and may not protect properly a second time. The NHTSA has a full guide on car seat safety, including how to check if yours has been recalled.
4. Smoke Detectors
Everyone knows to change the batteries. Almost nobody knows the actual sensor dies after about 10 years. So you can put fresh Duracells in there all day long — if the unit is old enough, the sensor can't reliably detect smoke anymore. Date's stamped on the back. Pop it off the ceiling and look. Takes 30 seconds. If you've lived in your home for more than a decade and haven't replaced them, they're overdue. The U.S. Fire Administration recommends replacing all smoke alarms every 10 years.
5. Spices
Won't hurt you. Will disappoint you. Ground spices are basically flavor dust after 2-3 years. Whole spices hold up a little longer, maybe 4 years. That ancient jar of paprika from the back of your cabinet? Open it and take a sniff. If it smells like absolutely nothing, congratulations, you've got red-tinted powder. Dried herbs — oregano, basil, thyme — fade even faster. A year, tops, before they start tasting like dried leaves. Because that's what they are.
6. Medications
This is the one on the list where expired actually means something serious.
EpiPens, insulin, inhalers, heart meds — these need to work when you grab them. Expired medication might not. The active ingredients break down, the dosage becomes unreliable, and in a real emergency that is genuinely dangerous. OTC stuff like Advil or Benadryl? Less of a safety risk, more of a "this isn't really doing anything" situation. Either way, go through your medicine cabinet yearly. Toss what's expired. Don't flush it — the FDA recommends using pharmacy and police station take-back boxes instead. For the full breakdown, see our medication expiration guide.
7. Passports
You probably know this one exists. But do you know when yours actually expires? Like, the actual date? Most people don't until they go to book a flight and panic. Adult US passports last 10 years, but the catch is that dozens of countries won't let you in unless your passport is valid for at least six more months beyond your entry date. So a passport that "expires in March" is actually useless for travel starting in September. Renewal takes 6-8 weeks minimum, longer in spring and summer. Go check yours. We wrote a whole guide on this if you want the full breakdown.
8. Driver's License
Renews every 4 to 8 years depending on your state. Some states send you a postcard. Many don't bother. Getting pulled over with an expired license is a citation, and it can turn a routine traffic stop into a real headache. If you need to file an insurance claim, an expired license can complicate that too. Most states let you renew online now in about five minutes. The date's printed right on the front of the card. See our driver's license renewal guide for the full state-by-state process.
9. Insurance Policies
Auto insurance: every 6 or 12 months. Homeowners: annually. Health insurance: has its own enrollment window that's easy to miss entirely.
A lapse in auto coverage is literally illegal in most states. A lapse in homeowners coverage triggers your mortgage company to buy a policy for you — at maybe 3x the normal cost. The sneakier problem is auto-renewing without looking at what you're paying for. Rates creep up, your life changes, and suddenly you're overpaying for coverage that doesn't match your situation anymore. We put together an insurance renewal checklist for exactly this.
10. Batteries
Alkaline batteries lose charge sitting in a drawer. That's just physics. They're good for maybe 5-10 years unopened, less if stored somewhere warm. But the real problem isn't dead batteries — it's leaking batteries. That white crusty gunk? Potassium hydroxide. Corrosive. It'll eat through the contacts in your remote, your flashlight, your kid's toy, whatever it's sitting in. If there's a device in your house you haven't touched in six months, pop the battery cover and check. Better to find the leak now than discover a ruined device later.
11. Domain Names and Web Hosting
Have a website? A side project? Maybe just a domain you bought at 2 AM because the name was available and you had a great idea? It has a renewal date.
Miss it and the domain goes back on the market. I know a guy who lost his small business's domain because he switched email providers and the renewal notices went to an inbox he'd stopped checking. By the time he noticed, a domain squatter had already grabbed it. Wanted $3,000 for it back. Registrars do send reminders, but they tend to land in the promotions tab. Our domain and SSL renewal guide covers how to set up auto-renew properly.
12. Credit Cards
The bank sends you a new one automatically. Great. Except the new card has a different expiration and usually a different CVV. Which means every single auto-pay linked to that card just broke. Netflix. Spotify. Your gym. Cloud storage. The VPN you forgot about. Your kid's Xbox subscription. It all starts failing at once, and you spend two days updating payment info on fifteen different websites. Keep a running list of what's billed to each card. Future you will be grateful. Our credit card expiration guide has a step-by-step transition checklist.
13. Helmets
Bike, motorcycle, ski — they all wear out. The EPS foam inside (that's the stuff that actually absorbs the impact) degrades from UV exposure, sweat, heat, and just time. Manufacturers say 3-5 years, and the CPSC agrees. After a crash? Immediate replacement, no exceptions. The foam compresses permanently on impact. There's a manufacture date sticker inside most helmets. If you can't find it, or the sticker is too faded to read, it's probably old enough that you should just get a new one.
14. Household Cleaners
Bleach is basically water after about six months once you open it. Hydrogen peroxide goes bad in a sealed bottle within a year. Most multi-surface sprays hold up for a year or two, but the active ingredients do degrade. That mega jug of Lysol you panic-bought in 2020 and still haven't finished? It's not going to make you sick, but it's also not disinfecting much of anything anymore. Same with hand sanitizer — the alcohol evaporates over time, even through sealed containers.
15. Warranties
There's this maddening thing where appliances seem to die about two weeks after the warranty runs out. (Planned obsolescence? Bad luck? Who knows.) Either way, you should actually know when your warranties expire.
HVAC systems, water heaters, roofs, major appliances — these are multi-thousand-dollar replacements. If something breaks within warranty, you're covered. A week after? You're paying full price. Also worth checking: a lot of credit cards come with extended warranty protection that adds 1-2 years on top of the manufacturer warranty. Most people have no idea their card does this. Check our warranty expiration guide for tips on tracking and claiming them.
16. Vehicle Registration and Inspection Stickers
Annual renewal in most states. Some states also require emissions testing or safety inspections on their own schedule. Drive with expired registration and you're looking at a ticket at minimum. Some jurisdictions will tow your car on the spot. The expiration is printed on the sticker on your windshield or license plate — month and year, right there. Glance at it next time you walk to your car. Our car registration renewal guide covers the process state by state.
17. Coupons, Gift Cards, and Store Credits
Gift cards legally can't expire for five years (federal law). But store credits? Promotional balances? Those can have much shorter windows. Airline miles expire if your account goes inactive for 18-24 months. Hotel points, same deal. That $50 Visa gift card you got for Christmas and tossed in a drawer is real money slowly becoming less real. Use it. And those reward points you've been "saving for something big"? They're not wine. They don't get better with age.
So Now What?
None of this stuff sends you an alert. Your smoke detector doesn't tell you its sensor is dying. Your car seat doesn't warn you the plastic is degrading. You just have to go look.
Pick a Saturday. Walk through the house. Check the list. Twenty minutes, maybe thirty. Not exciting, I know. But it beats finding out your fire extinguisher is a dud when you actually need it.