The Fire Passed Near You — Here's What to Check Before You Relax

This has already been a busy fire season across California. As of early September, the state had logged nearly 5,000 fires and more than 270,000 acres burned, with over 140 structures lost — driven in part by a snowpack that came in at a fraction of normal this past winter. If you live in a wildfire-risk zone, odds are you've either had a Red Flag Warning called for your area this year, watched a fire map light up somewhere in the state, or gotten close enough to smoke to smell it. What I don't see homeowners talk about much is what happens after the immediate danger passes — when the evacuation warning lifts, the smoke clears, or a fire that threatened your area gets knocked down. That gap is where a surprising number of preventable losses happen.

After the 2018 Woolsey Fire came close enough to my own neighborhood in West Hills to change how I think about fire season, and after going through CERT training to understand the parts most homeowners never get taught, one of the more counterintuitive lessons was this: the hours and days right after a fire moves through or a threat passes are not the all-clear they feel like. They're a separate checklist of their own.

Why "The Fire Passed" Isn't the Same as "You're Safe"

Wind-driven wildfires leave embers behind — in attic vents, gutters, mulch beds, under decks, in woodpiles — that can smolder for hours before flaring into a second ignition, sometimes well after everyone assumes the danger has moved on. Fire crews call these rekindles, and they're a real reason fire departments ask residents not to fully relax, or return to an evacuated area, until officials give the actual all-clear. A home that looked fine when the fire front passed can still be at risk hours later if nobody checks it.

There's also a practical safety piece that has nothing to do with fire itself: downed power lines, damaged gas lines, weakened trees, and ash that isn't as inert as it looks. None of that is dramatic, but it's exactly the kind of thing that turns a close call into an actual injury.

The Post-Fire Checklist

This is roughly what I'd walk through myself, and what CERT training covers, once a fire threat in your area has passed or an evacuation order is lifted.

Before you do anything else

• Wait for the official all-clear. Don't return to an evacuated area based on what you see on social media or a neighbor's text — wait for your county or city's official notification. Roads, downed lines, and hot spots aren't always visible from a distance.
• Watch for hazards on the way in. Downed power lines, weakened or partially burned trees, and damaged retaining walls are common right after a fire moves through a hillside area. Report anything that looks unsafe rather than working around it yourself.

Walking your property

• Check attic and roof vents, gutters, and roof valleys first. These are the most common spots for embers to have lodged and smoldered — the same spots the Zone 0 rules focus on for a reason.
• Check mulch beds, woodpiles, and anything against the structure. A smoldering ember in mulch or a stacked woodpile can flare up hours after the main fire has moved on.
• Look under decks and porches for embers or smoldering debris that landed somewhere you can't see from ground level.
• Keep checking over the following 24–48 hours if there was heavy ember fall near your property, especially if winds pick back up. Rekindles are more common than most homeowners expect.
• If you find an active ember or small smoldering spot and it's safe to do so, this is exactly the scenario a charged hose and nozzle are for — wetting it down before it becomes a second fire. If it's already an active flame you can't knock down in seconds, back away and call it in rather than trying to be a hero.

Ash, smoke, and cleanup safety

• Wear a proper respirator, not just a dust mask, when handling ash or cleaning up debris — wildfire ash can carry fine particulate and residue from whatever burned, not just wood.
• Don't hose ash into storm drains or gutters. Most jurisdictions ask you to sweep and bag it instead, since it can carry into local waterways.
• Photograph everything before you clean up anything — scorched siding, damaged fencing, melted irrigation lines, dead landscaping. Insurance claims move faster with documentation from before you started restoring the property.

Restock before the next one

• If you used your hose, valve, or nozzle, check it over before it goes back in the garage. Heat and hydrant pressure can wear gaskets and fittings faster than normal use.
• If this event made it obvious your equipment wasn't ready — or wasn't there at all — this is the moment to fix that, not during the next Red Flag Warning.

What You Need to Know

• Don't return to an evacuated area until officials say it's safe — hazards aren't always visible, and the fire may not be as "done" as it looks.
• Rekindles are real. Check attic vents, gutters, mulch beds, and woodpiles for smoldering embers, and keep checking for a day or two if ember fall was heavy.
• Wear real respiratory protection for ash cleanup, and don't wash ash into storm drains.
• Document before you clean up for insurance purposes.
• This is general guidance, not a substitute for your local fire department or CERT chapter's instructions — rules and hazards vary by jurisdiction and by fire, so check with them for anything specific to your area.
• None of this replaces evacuation. If officials say go, go — this checklist is about the period after the danger has genuinely passed, not instead of leaving when told to.

If walking your property after a fire this season showed you a gap in your setup — a hose that's not rated for hydrant pressure, no valve or wrench on hand, nothing staged by the door — get it sorted now, while the season's still active and there's no smoke in the air to rush you.

See the Complete Hydrant Kit — hose, valve, wrench & nozzle, matched and ready to connect →

Sherwin Ross is the founder of Ace Fire Defense, based in West Hills, CA. After the 2018 Woolsey Fire, he became CERT-trained and started building wildfire defense equipment for homeowners.