Macro shot of a dead cockroach lying on its back on concrete surface.

Seasonal Home Pest Maintenance Checklist: Keep Them Out All Year

Byadmin

Pest can get in gaps in your foundation, open flues, and any warm space they can find. I know this because my house has given them plenty of options.

My 1971 home came with a collection of foundation cracks, an unused chimney that turned out to be a very popular address for mice, and enough small gaps around pipes and utilities to keep a small ecosystem comfortable through winter. We caught mice in buckets. Yes, buckets. When you’re dealing with a serious infestation you use what works.

The good news is that once you seal the entry points they stop getting in. The key is being systematic about it, season by season.

Spring Pest Maintenance

Spring is when insects start looking for a way in and rodents that sheltered over winter start moving around. Walk the full exterior perimeter and seal everything.

  • Check foundation for new cracks from winter freeze and thaw
  • Seal gaps around pipes, wires, and utility entries with expanding foam or caulk
  • Check door sweeps and weatherstripping on all exterior doors
  • Look for gaps where siding meets the foundation
  • Trim shrubs and vegetation away from the house, they create bridges for insects and rodents
  • Schedule a perimeter pest spray if you’re in an area with heavy insect pressure

Summer Pest Maintenance

Summer brings ants, wasps, mosquitoes, and in some areas termites. Heat and humidity create ideal conditions for insects.

  • Check for standing water around the property, mosquitoes breed in as little as a bottle cap of water
  • Inspect wood structures for soft spots or sawdust which can indicate carpenter ants or termites
  • Keep firewood stored away from the house and off the ground
  • Check window screens for tears or gaps
  • Schedule a termite inspection if your home is older or in a high-risk area

Fall Pest Maintenance

Fall is the most critical season for rodent prevention. As temperatures drop mice, rats, and squirrels look for warm places to shelter. Your home is exactly what they’re looking for.

  • Walk the full exterior and seal every gap larger than a dime, mice can fit through a hole the size of a pencil
  • Check the roofline for gaps where squirrels can enter the attic
  • Check your chimney flue and make sure the damper closes fully
  • If you have an unused fireplace consider a chimney balloon or cap to block entry
  • Check the garage door seal along the bottom
  • Move firewood at least 20 feet from the house

I had mice living in a chimney I never used. They were in there for months before I figured out where they were coming from. A chimney cap and a properly closing damper solved it completely.

Winter Pest Maintenance

Winter is about monitoring and responding. If pests got in before you sealed things up you’ll find evidence now.

  • Check the attic for signs of rodent activity, droppings, chewed insulation, nesting materials
  • Check the basement and crawl space for the same
  • Look for signs of entry around the foundation after heavy snow melts
  • Set traps in areas where you’ve had activity before

The Products Worth Having

A good exterior caulk and expanding foam handle most entry point sealing. For active infestations snap traps are more effective and more humane than glue traps. A perimeter insect spray applied in spring and fall keeps most insects from establishing themselves around the foundation.

For serious or recurring problems hire a licensed pest control company. They’ll identify entry points you missed and treat the areas that matter.

Stay Ahead of It All Year

Week 7 of the Home Checkup Guide 52-week checklist covers exterior sealing and pest prevention as part of your spring routine. Week 39 covers fall sealing before winter. The full seasonal breakdown is in the [Home Checkup Guide PDF].

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