November Home Maintenance Checklist: Last Call Before the Freeze

Think of November as catch-up with a hard stop. Clean the gutters now that the leaves are down, confirm the outdoor water is shut off and drained, get the furnace serviced if it hasn't been, and put fresh batteries in every smoke detector. Across most of the country the first hard freeze lands this month or already has, so anything freeze-related on this list is due the next dry weekend, not "sometime this fall."

If October went well, November is mostly verification. If October got away from you, this is the last window where prevention still beats repair. For the season's full arc, start with the fall maintenance guide; everything below is due inside the next few weeks.

Clean the gutters after full leaf drop

This is the cleaning that has to hold until spring. If October's main pass caught most of the leaf drop, this one is short; either way it happens after the trees are fully bare, because whatever's in the gutters when temperatures drop stays there until March, frozen solid. That frozen block is where ice dams start, and it's heavy enough to tear gutter hangers out of the fascia.

Budget a couple of hours on a ladder, or $100 to 250 if a crew does it. Since this pass is the one that has to hold until spring, add three checks the quick October version skips: run water down every downspout to prove it's actually clear, watch where each one discharges (against the foundation is how basements get wet in March), and tug on the hangers, because months of frozen debris will find any bracket that's already loose. Gutter guards earn no exemption; leaves mat on top of the mesh and push water straight past the gutter, so give them 30 to 60 minutes of clearing, or pay $75 to 200. Ladder technique and what chronic overflow does to fascia boards are in our gutter cleaning guide.

Timing is zone math. Around the Great Lakes and upper Midwest (zones 5 and 6), the main cleaning belonged to late October, so November's version is a final pass in the first week or so — out with whatever the last few trees dropped, before it freezes in place. In zones 3 and 4, where the trees hold their leaves longer, this is the main event, and the window stretches toward Thanksgiving.

Freeze protection: done, or overdue

Two tasks rated critical in our rules data, and by November they're either done or late. In zones 5 and 6 both belonged to October, so treat this month as an audit; in zones 3 and 4 the deadline often lands right about now, except on the marine coasts (3C and 4C), where winters are mild enough that the engine drops both tasks entirely.

Outdoor faucets. The audit is a walk around the house. At each spigot: no hose attached, the interior valve behind it closed, the faucet left open so nothing sits in the line, an insulated cover on. Five minutes if October went to plan; if it didn't, budget $5 to 20 for covers and a half hour to do it properly (the October checklist has the full procedure). The stakes justify the walk: a line that freezes and splits inside a wall typically lands between $5,000 and $15,000 by the time the water damage is repaired.

Irrigation blowout. If the sprinkler system still holds water, treat this as a phone call rather than a task. Crews are running their last routes of the season, the service is $75 to 150 (or $20 to 50 in DIY air if you happen to own a compressor with real capacity), and a system that freezes underground means excavation, at $500 to 2,000. The backflow preventer is the most fragile piece; replacing one alone runs $200 to 500.

One piece of catch-up while you're outside: the pipe-insulation check SeasonKeep schedules for early fall. If it never happened, slide foam sleeves onto any supply line crossing a garage, crawl space, or exterior wall now; in zones 5 and colder, the engine treats that check as high-priority to critical.

Last calm weekend for ice dam prep

An ice dam is a heat problem wearing a roof costume: warmth leaking through the attic floor melts the snowpack from below, the meltwater refreezes over the cold overhang, and the ridge that builds there forces the next melt up under the shingles. The prevention lives in the attic, and November is the last month the attic is a tolerable place to work.

The job at this point is a verification walk-through with a flashlight and a tape measure. Insulation should measure out to what code requires in your zone (R-49 to R-60 across zones 5 through 8). At the eaves, the soffit vents should show daylight with nothing pressed against them, and the ridge vent should be open along its whole run. Then make the heat-cable decision from the ground: a roof edge that grew fat icicles last February is a candidate; one that stayed clean isn't. The walk-through costs at most $50 in materials, or $200 to 600 for a professional assessment and setup, against a $300 to 800 removal for every dam that does form, before counting any ceiling repair. This task belongs to zones 4A and 4B and everywhere colder; the marine 4C coast doesn't get it, and our engine rates it critical from zone 5 up.

Heating: the last call for a tune-up

A furnace tune-up in November is late, and still worth it. For $100 to 200 and a 2 to 3 hour visit, the technician works through the whole safety chain: limit switches and flame sensors get tested, gas connections get sniffed for leaks, the thermostat gets checked against reality, and the heat exchanger gets a close look for the cracks that would let carbon monoxide reach your ductwork. Skipping the annual visit can also void the warranty on the one system you're about to run hardest. The full year of HVAC care is in our HVAC maintenance schedule.

Two quick checks for other heating systems:

• Heat pump owners: frost on the outdoor coil is normal; frost that never leaves isn't. On one of the first genuinely cold mornings, give the unit ten minutes of your attention and confirm the buildup melts off on its own. Ice that only thickens means the defrost cycle has failed, and every hour of operation in that state puts the compressor at risk; book the $100 to 250 service call the same week.
• Boiler owners: the pressure gauge should read 12 to 15 psi, and any radiator that gurgles or heats unevenly needs bleeding. Ten minutes, essentially free, and it heads off cold rooms and a mid-winter safety shutdown.

New batteries in every smoke detector

Daylight saving time ends in early November, the traditional battery weekend. Put fresh batteries in every smoke detector, hardwired units included, since the battery is what keeps them alive through a winter power outage. Fifteen to twenty minutes and $10 to 30 for the whole house. The stakes aren't subtle: close to 60% of home fire deaths occur where no alarm was working, and heating season is fire season.

Outside, before the ground freezes

Trim trees back from the house. Winter storms turn overhanging limbs into roof damage, and bare branches make November the easiest month to see the structure and cut accurately. Aim for 10 feet between branch and roof, 3 feet at the siding, and take out anything dead. One to three hours DIY ($10 to 40 in supplies) for what you can reach safely from the ground; anything over the roofline is a $200 to 800 pro job, cheap next to a limb through the shingles in January.

Feed the lawn one last time. A high-potassium winterizer fertilizer, applied after the final mow while the grass is still green, is what cool-season lawns draw on through dormancy. Thirty to sixty minutes and $20 to 50. Cool-season grasses only; Bermuda, St. Augustine, and Zoysia should skip it. Miss the window and the lawn wakes up thin and patchy in April.

In hot-humid zones 1 and 2, November is pleasant working weather rather than a deadline, and pest pressure never stops: a fall tick and flea treatment ($15 to 40 DIY) still earns its keep.

Two jobs made for a sealed-up house

Test radon levels. Closed windows and a running furnace are exactly the conditions under which radon concentrates, so November is the honest time to test. A short-term charcoal kit is $15 to 30 and takes 48 hours; you want levels below 4 pCi/L. If you have a mitigation system, this is the only way to know it's still working.

Schedule an energy audit. The first real heating bills arrive this month, which makes the auditor's blower door test and thermal imaging land differently than they would in May. Expect $200 to 500 for the visit. A typical home loses 25 to 30% of what it pays for in energy to leaks, gaps, and tired equipment, and audits routinely surface $500 to 2,000 a year in fixable losses; many utilities subsidize the visit and rebate the fixes.

Solar owners: with the leaves down, check what now shades the panels. Shading even part of one panel can drag down an entire string's output.

Common questions

Is November too late to clean gutters?

No; in much of the country it's the intended month, since the job only counts after the leaves finish falling. The real deadline is the gutters freezing: early November in zones 5 and 6, most of the month in warmer zones.

The first freeze already hit and my outdoor faucets weren't drained. Now what?

Drain them now anyway; one freeze doesn't guarantee a split pipe, and every additional freeze raises the odds. Watch for the burst-pipe tell at first spring use: a second of strong flow, then dropping pressure and water inside the wall. If you suspect damage, shut the interior valve and have a plumber pressure-test the line.

Can I still fertilize the lawn this month?

Yes, as long as the grass is still green. Once the lawn is fully brown and dormant, skip it and resume feeding in spring.

Which of these can wait until spring if I run out of month?

The radon test and the energy audit work in any sealed-up winter month, and dormant-season tree trimming stays possible all winter where the branches are reachable. The lawn feeding doesn't wait so much as get skipped for the year. What can't slide is water: gutters, faucets, irrigation. And the smoke detector batteries take fifteen minutes; they don't belong on anyone's waiting list.

Half of this page may not be your problem at all: no irrigation system means no blowout, no lawn means no winterizer, and a Gulf Coast zip code erases every freeze deadline above. SeasonKeep starts from your zip code, your home's age, and its systems, and keeps only the tasks that are actually yours; setup is a three-minute form, and the free plan covers it. After that the year gets easier; December ties July for the shortest list of the twelve, and the December checklist trades outdoor deadlines for holiday safety.