What's on a home safety maintenance checklist?
Updated August 2026
Home safety comes down to a five-minute monthly loop plus a short yearly list. Monthly you test every smoke and CO alarm, glance at each extinguisher gauge, and press the TEST button on your GFCI outlets. Once a year you rehearse the escape plan, clean the dryer vent, and set the water heater to 120°F to stop scald burns without inviting bacteria. The whole point is layering: alarms and extinguishers on every level, sensors where water and intruders enter, so no single failure becomes a catastrophe. Each system below has its own page, starting with alarms and extinguishers.
| Task | Interval | Effort |
|---|---|---|
| Test every smoke and CO alarm | Monthly | 5 min · DIY |
| Check each fire extinguisher gauge | Monthly | 2 min · DIY |
| Press TEST on kitchen, bath, and outdoor GFCIs | Monthly | 3 min · DIY |
| Task | Interval | Effort |
|---|---|---|
| Test water leak sensors and the auto-shutoff | Quarterly | 10 min · DIY |
| Walk the security sensors, cameras, and siren | Quarterly | 10 min · DIY |
| Task | Interval | Effort |
|---|---|---|
| Rehearse the two-way escape plan | Yearly | 20 min · DIY |
| Clean the dryer vent duct | Yearly | $100–200 pro |
| Confirm the water heater reads 120°F at the tap | Yearly | 5 min · DIY |
| Retest radon if you have a mitigation system | Every 2 years | $15–150 |
| Task | Interval | Effort |
|---|---|---|
| Replace CO alarms (5 to 7 yr) and smoke alarms (10 yr) | 5–10 years | $20–50 each |
| Swap security and leak-sensor backup batteries | 1–5 years | $5–40 |
What neglect costs
The safety systems are boring right up to the ten minutes they save your house or your family, and each neglected one carries a signature bill. A dead smoke alarm turns a contained fire into a total loss. An untested GFCI leaves a bathroom or kitchen circuit unable to trip on a ground fault. A clogged dryer vent sits behind thousands of house fires a year and, short of that, is a slow $200 to $400 efficiency drain. A water heater left at 140°F can scald in about five seconds, where 120°F is safe. None of these fixes costs more than an afternoon, and together they head off the priciest claims a home files.
Leave these to a pro
Hire out the jobs that touch gas, high voltage, or the roofline. An annual dryer-vent cleaning is $100 to $200 and pays for itself in fire risk and drying time. A yearly HVAC and CO safety check runs $100 to $200 and catches the cracked heat exchanger a CO alarm would otherwise find the hard way. An electrician should chase any GFCI that will not reset or any warm outlet, usually $150 to $300 a visit. Budget $300 to $500 a year for this cluster of pro safety work; the DIY monthly loop stays free.
This whole checklist ships as reminders in OnOtto: every task above, on the right schedule for your home, snooze-proof.
Load this checklist as remindersFrequently asked questions
What is the single most important safety task?
Testing your smoke and CO alarms, without contest. Working alarms are the biggest driver of surviving a house fire, and the test takes one button and a few seconds per unit. If you do nothing else on this list, do that monthly and change the batteries every year. A close second is knowing where your water, gas, and electrical shutoffs are and being able to reach them in the dark, before a leak or a fault forces the issue.
How often should I really check GFCI outlets?
Monthly is the textbook answer, and it takes seconds: press TEST, confirm the outlet goes dead, then press RESET. GFCIs protect kitchens, baths, garages, and outdoor circuits from fatal shocks, and their internal mechanism can wear out silently, so one that will not trip on TEST is a bad outlet, not a passing grade. Replacing it is a $15 to $25 part; hire an electrician if the wiring looks off or it refuses to reset.
Why set the water heater to 120°F?
It is the safety sweet spot. Above about 130 to 140°F, tap water can cause a serious scald in seconds, a real risk for young kids and older adults; below 120°F, Legionella bacteria can grow inside the tank. 120°F balances both and trims standby energy. Check it with a thermometer at the tap, since dial markings are often wrong. The adjustment matters most in homes with small children or aging parents in the house.
What belongs in a home escape plan?
Two ways out of every room, usually a door and a window, a single outdoor meeting spot, and roles for who helps kids, older adults, or pets. Practice it twice a year, once at night, so it is muscle memory when the alarm sounds and visibility drops to nothing. Keep escape ladders near upstairs bedrooms and make sure everyone can work deadbolts and window bars fast. A plan you have never rehearsed is just a diagram on the fridge.