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Pest Control Guide

Too Many Mosquitoes Around the Home? Start With Water Sources

Mosquitoes breed in standing water, so weekly water removal and good screens are key first steps around a home.

General homeowner guidance•Updated Sep 3, 2026
Pest-control professional treating the exterior of a home where mosquito activity may occurPest Control
Overview

Many mosquitoes need only small amounts of standing water to reproduce. Containers, plant saucers, toys, tarps, gutters, birdbaths, buckets, and other outdoor items can become breeding sites. Reducing water sources is an important part of mosquito control even when professional treatment is also used.

Start here

What You Can Check

These are basic observations or simple checks. If anything feels unsafe or uncertain, stop and seek appropriate professional help.

  • Once a week, empty and scrub, turn over, cover, or throw out outdoor items that hold water.
  • Check rain gutters, plant saucers, toys, buckets, covers, and similar containers after rain.
  • Repair or close gaps in window and door screens and keep doors closed where practical.
  • Use an EPA-registered insect repellent according to the label when personal bite protection is needed.
Pay attention

Warning Signs

  • Mosquito activity remains very heavy after standing-water sources are addressed.
  • There is a large or permanent water source you cannot drain or manage safely.
  • A pesticide or larvicide is being considered for water, surfaces, or areas not allowed by its label.
  • Local health authorities have issued a mosquito-borne disease advisory that calls for additional precautions.
Next step

When Professional Help May Make Sense

A pest-control professional or local mosquito-control program may help when breeding sources are difficult to locate, activity is severe, or treatment beyond normal household prevention is needed. Any larvicide or insecticide should be used only in locations and ways permitted by the product label.

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If this issue needs professional attention, use the matching Pest Control connection below.

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Be prepared

What to Have Ready Before You Call

  • Where mosquitoes are worst on the property.
  • Time of day activity is strongest.
  • Standing-water sources already found and removed.
  • Any nearby drainage, pond, construction, or community mosquito-control activity.
This content provides general homeowner guidance and is not a diagnosis of a specific home problem. For urgent, dangerous, or uncertain situations, contact an appropriate qualified professional or emergency service.