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October

October home maintenance checklist

Fall — winterize before the first hard freeze. Here are the tasks worth doing in October — sorted so you start with what matters most.

Test smoke & CO alarms

Smoke & CO alarms

Critical

Working alarms are the single biggest factor in surviving a house fire.

How often
Every 6 mo
Who
DIY
Cost
Up to $30
Time
15 min

A dead alarm offers zero warning when it matters most.

How & when to do it
Critical

Lint is highly flammable and builds up where you can't see it.

How often
Yearly
Who
DIY or pro
Cost
Up to $150
Time
45 min

Clogged dryer vents cause thousands of house fires every year.

How & when to do it

The temperature & pressure-relief valve is a safety device that prevents the tank from over-pressurizing.

How often
Yearly
Who
DIY
Cost
Up to $25
Time
15 min

A stuck TPR valve turns a water heater into a dangerous pressure vessel.

How & when to do it

Replace HVAC air filter

Heating & cooling (HVAC)

Money-saving

A clogged filter makes your system work harder, raising bills and shortening its life.

How often
Every 3 mo
Who
DIY
Cost
$10–$30
Time
10 min

Frozen coils or a burned-out blower motor — a $1,500+ repair.

How & when to do it
Money-saving

GFCI outlets near water protect you from shock — but they wear out silently.

How often
Every 6 mo
Who
DIY
Cost
Up to $25
Time
15 min

A failed GFCI removes shock protection in kitchens and bathrooms.

How & when to do it
Money-saving

Clogged gutters send water into your foundation, fascia, and basement.

How often
Every 6 mo
Who
DIY or pro
Cost
Up to $200
Time
1.5 hr

Foundation cracks and basement flooding — repairs run into the thousands.

How & when to do it
Money-saving

A few drops of food coloring in the tank reveal a leaking flapper that quietly wastes water.

How often
Every 6 mo
Who
DIY
Cost
Up to $20
Time
15 min

A silent toilet leak can waste hundreds of gallons a day and inflate your water bill.

How & when to do it
Money-saving

Sediment buildup wastes energy and corrodes the tank from the inside.

How often
Yearly
Who
DIY or pro
Cost
Up to $150
Time
45 min

A ruptured tank that floods the floor — and a surprise $1,200 replacement.

How & when to do it

A cheap gauge on a hose bib tells you if pressure is in the safe 40–60 psi range.

How often
Yearly
Who
DIY
Cost
$10–$15
Time
15 min

Excessive pressure stresses every pipe, fitting, and appliance until something bursts.

How & when to do it

Warm outlets, scorch marks, and frayed cords are early warnings of a fire hazard.

How often
Yearly
Who
DIY
Cost
Up to $25
Time
30 min

Damaged outlets and cords are a leading ignition source for electrical fires.

How & when to do it
Money-saving

Flashing around chimneys, vents, and valleys is where most roof leaks actually start.

How often
Yearly
Who
DIY or pro
Cost
Up to $200
Time
30 min

Failed flashing leaks water into the attic long before shingles look worn.

How & when to do it

Lint slips past the screen and builds up in the housing your screen sits in, restricting airflow.

How often
Yearly
Who
DIY
Cost
Free
Time
20 min

Hidden lint buildup is both a fire risk and the reason loads take two cycles to dry.

How & when to do it
Money-saving

The effluent filter catches solids before they reach the drain field; it clogs and needs cleaning.

How often
Yearly
Who
DIY or pro
Cost
Up to $100
Time
30 min

A clogged filter causes backups into the house and stresses the drain field.

How & when to do it
Money-saving

A balanced door stays put halfway open; if it slams down, the springs are failing.

How often
Yearly
Who
DIY
Cost
Free
Time
10 min

An unbalanced door overloads the opener and can drop unexpectedly.

How & when to do it
Money-saving

Fresh weatherstripping around doors and windows stops drafts and lowers heating and cooling bills.

How often
Every 2 yr
Who
DIY
Cost
$10–$40
Time
1 hr

Worn seals leak conditioned air all year, quietly raising every energy bill.

How & when to do it
Money-saving

Routine pumping prevents backups and protects the drain field.

How often
Every 3 yr
Who
Hire a pro
Cost
$300–$600
Time
2 hr

A failed drain field is a $10,000+ replacement.

How & when to do it
Money-saving

The sacrificial anode rod corrodes so the tank doesn't; replacing a spent rod can double tank life.

How often
Every 3 yr
Who
DIY or pro
Cost
$20–$60
Time
45 min

Once the rod is gone, the tank rusts from the inside and fails years early.

How & when to do it
Optional

A degreased filter lets the hood actually vent smoke, steam, and cooking grease.

How often
Every 3 mo
Who
DIY
Cost
Up to $20
Time
15 min

A grease-clogged filter is a kitchen fire risk and leaves the hood useless.

How & when to do it

Clearing slow drains with hot water and a safe cleaner keeps small clogs from becoming blockages.

How often
Every 6 mo
Who
DIY
Cost
Up to $15
Time
20 min

A neglected slow drain becomes a full backup that needs an emergency plumber.

How & when to do it

A panel-mounted surge protector shields every device in the home from voltage spikes.

How often
Every 10 yr
Who
Hire a pro
Cost
$200–$400
Time
2 hr

One storm surge can fry electronics, appliances, and HVAC boards at once.

How & when to do it