Finish these tasks before October in northern states, or November in southern ones. Fall maintenance prevents the most expensive winter damage: ice dams, burst pipes, water intrusion from clogged gutters, and heating system failures. You can finish most of this list in one weekend.
Gutters and Drainage
Clean gutters after leaves finish falling. Clogged gutters cause ice dams and water intrusion at the fascia.
Check gutters for sags and loose spikes. Re-secure with gutter screws (screws hold; spikes pull out).
Extend downspouts at least 6 feet from foundation. Water pooling near the foundation is the leading cause of basement leaks.
Flush downspouts with a garden hose to confirm no blockages.
Roof Inspection
Look for lifted, cracked, or missing shingles from the ground with binoculars (or hire a roofer for $150–$300).
Check for excessive shingle granules in gutters: indicates shingles near end of life.
Inspect flashing around chimneys, skylights, and vents. Separated flashing is the #1 cause of roof leaks.
Look for moss or algae (dark streaks). Moss retains moisture and accelerates shingle deterioration.
Windows and Doors
Check weatherstripping on all exterior doors. A dollar bill should meet resistance when slid through a closed door. If it slides freely, replace the weatherstripping.
Recaulk window and door frames where caulk is cracked or separated. Use silicone or paintable latex for exterior.
Check for fogging between double-pane glass. Fogging indicates a failed seal and lost insulating gas. Failing seals that are still under warranty should be addressed now.
HVAC and Heating
Replace furnace filter (1-inch filters monthly; 4-inch media filters every 6 months).
Schedule annual furnace inspection and tune-up ($80–200). October is ideal, before peak demand.
Test carbon monoxide detectors. CO poisoning risk rises when heating systems run continuously.
Bleed air from baseboard radiators (hot water systems). Trapped air reduces efficiency and causes uneven heating.
Exterior and Plumbing
Disconnect and drain garden hoses. A connected hose can retain water, which freezes in low temperatures, and the pressure can burst interior valves and pipes.
Shut off and winterize irrigation systems before the first freeze.
Insulate exposed pipes in unheated spaces (garage, crawlspace, attic). Pipe insulation costs $0.50–2/linear ft.
Trim tree branches within 6 feet of your roof. Ice-loaded branches can fall and cause significant damage.
Inspect chimney and fireplace. Have a certified chimney sweep clean and inspect annually ($150–300).
Caulk visible foundation cracks. Water expands 9% when it freezes. Small cracks become large ones.
Check attic insulation. R-49 is recommended for most northern climates, and inadequate attic insulation is the primary cause of ice dams: it lets heat escape through the roof, which melts snow that then refreezes at the eave. Check the insulation for moisture too, which can indicate a leaking roof, a ventilation problem or a plumbing leak.
Target completion by October 1. First freeze can come in late September. Southern states (GA, TX, FL, LA): November 1 is sufficient. Focus on gutters, HVAC, and window sealing.
What Should I Check in the Other Seasons?
Protect Your Home In Every Season By taking a little time to maintain your home every season, you can reduce expensive home repairs down the line.
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Frequently Asked Questions
Clean gutters after the last major leaf fall in your area: typically mid-to-late October in northern states, November in the South. Cleaning too early means you will re-clean after leaves fall. If you have heavy tree cover, plan two cleanings: October and late November.
Signs you need replacement rather than repair: shingles are curling, buckling, or losing significant granules; daylight is visible in the attic; the roof is 20+ years old for 3-tab or 25+ for architectural shingles; multiple areas leak after repairs. For single isolated leaks or a few damaged shingles, repair is usually sufficient.
Three methods: (1) Dollar bill test. If it slides easily through a closed door or window, the seal is poor. (2) Candle test. Hold a lit candle near window edges on a windy day; flickering indicates air infiltration. (3) Thermal imaging. Most utilities offer free energy audits with infrared cameras that show exactly where heat is escaping.
Cleaning gutters and checking the roof are tied. Both prevent water damage that becomes expensive fast. A clogged gutter in winter becomes an ice dam that forces water under shingles and into the home. After that, furnace inspection and carbon monoxide detector testing are essential safety items.
A licensed roofer will do a fall inspection for $150–$300. HVAC inspection and tune-up runs $80–$200. Many utilities offer free energy audits that include blower door testing and thermal imaging. Gutter cleaning companies ($100–$250) often also inspect gutters and fascia while they clean.
