May home maintenance checklist Warming up
Timing depends on where you live. Freeze-related jobs are tied to your area's average first and last frost dates: look up your frost dates or ask your local National Weather Service office or Extension service.
This month
- Clear leaves, grass and plants away from the outdoor AC unit. [28] If you find a problem →
- Check caulk around tubs, showers, sinks and windows. Re-seal cracked or peeling spots. [25] If you find a problem →
- Make sure soil and mulch slope away from the foundation so water drains away. [23]
- Check the deck and steps for loose boards, rails or nails, and for soft wood. [35] If you find a problem →
- Refresh the storm kit: swap old batteries, water and medicines. [22]
Every month
- Check the HVAC filter. Change it if it looks dirty, and at least every 3 months. [1] [2] If you find a problem →
- Press the test button on every smoke alarm. [3] If you find a problem →
- Check CO alarms the way the maker's instructions say. [5]
- Test GFCI outlets: press TEST, then RESET. [8] If you find a problem →
- Look under sinks and around the water heater and toilets for drips. [15] If you find a problem →
- Clean the dryer lint filter every load. [11] If you find a problem →
Done by: ____________ Year: ______ Notes: ______________________________________
Sources (fetched and checked October 21, 2026)
- ENERGY STAR, Heat & Cool Efficiently
- ENERGY STAR, Maintenance Checklist
- U.S. Fire Administration, Smoke Alarms
- U.S. Fire Administration, Carbon Monoxide Safety flyer (PDF)
- U.S. Consumer Product Safety Commission, GFCI Fact Sheet (PDF)
- Association of Home Appliance Manufacturers, Clothes Dryer Care
- U.S. EPA WaterSense, Home Maintenance (leaks)
- Ready.gov, Build a Kit
- U.S. Dept. of Energy, Building Science Education: Stormwater Gutters and Downspouts
- U.S. Dept. of Energy, Insulation and Air-Sealing Essentials
- Bryant, How to Clean AC Coils
- North American Deck and Railing Association, Check Your Deck consumer checklist (PDF)
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