Mosquitoes

Mosquito control across San Diego County

The County of San Diego says invasive Aedes mosquitoes, the ankle biters, bite during the day, especially around the legs and ankles, can bite aggressively and multiple times, and are most active in San Diego during summer and fall. They were first found in the county in 2014. They lay eggs in small containers of standing water, and the County says even 1/4 inch of water is enough, with eggs that can survive for months in dry containers. So the water matters as much as the spray. The County's own first instruction is to dump out standing water sources both inside and outside at least once a week.

Last updated: 2026-04-23

A pest control technician treating dense yard foliage for mosquitoes in a San Diego backyard

What's included in mosquito control in San Diego County?

  • Standing-water audit, saucers, gutters, irrigation boxes, bromeliads, dog bowls, blocked drains
  • Larvicide application (Bti, IGR) in standing water that can't be drained
  • Yard misting of dense foliage, fence lines, and shaded harborage areas
  • Free mosquitofish from the County Vector Control Program for ponds, fountains, and unmaintained pools
  • One-time backyard treatment before a party, wedding, or gathering
  • A recurring program through the warm months, when the County says invasive Aedes are most active
  • Recommendations on yard modifications that reduce mosquito habitat long-term
Mosquito Control detail work by a licensed San Diego County pest control technician

When do you need mosquito control in San Diego County?

  • Daytime biting is keeping you from using your patio, deck, or backyard
  • You're hosting an outdoor event and want guests not to be eaten alive
  • Recent mosquito activity is unusually heavy after rain or irrigation
  • You've noticed Aedes mosquitoes (small, black-and-white striped, day-active)
  • Standing water from a recent storm or irrigation issue has created a breeding bloom

What do homeowners ask about mosquito control in San Diego County?

Is a mosquito exterminator the same as mosquito control?

Yes, it's the same job. A mosquito exterminator near me, mosquito treatment near me, a mosquito service, and a mosquito spray service near you all describe the same visit: knock down the adults resting in foliage, then treat or remove the standing water they breed in. Spraying the adults without dealing with the water they breed in is why the bites come back. The companies we match you with quote both parts together.

Is mosquito fogging the same as yard misting, and does it include tick spraying?

Mosquito fogging and yard misting describe the same treatment: a fine application through dense foliage, fence lines, and the shaded harborage where adult mosquitoes rest. Tick spraying is a different target and sits under flea and tick treatment, which covers tick perimeter work and the pet rest areas ticks favor. The two get booked together often, because they treat the same shaded parts of a yard. Ask when you call and the company you're matched with can quote both.

Why are Aedes mosquitoes such a big deal?

They are not native here. The County of San Diego says invasive Aedes mosquitoes were first found in the county in 2014, that they bite during the day, especially around the legs and ankles, and that they breed indoors and outdoors. Aedes aegypti and Aedes albopictus can spread viruses like Zika, dengue, yellow fever, and chikungunya. They need almost nothing to breed: the County says even 1/4 inch of water is enough, and that when it is warm they can go from egg to adult in less than one week.

Do mosquito misters harm pollinators?

Ask which product and read the label with the applicator, because that is where the pollinator restrictions are written. Applications target the shaded foliage where adult mosquitoes rest rather than the blooms where bees forage. The nonchemical half is removing the water the larvae need, and the County helps with that: it offers mosquitofish free of charge from the Vector Control Program for backyard ponds, fountains, and unmaintained green pools.

How long does a yard treatment last?

No source on file gives a number, and it changes with the yard, the weather, and the irrigation, so treat a firm figure as a sales line. What does not change is the breeding side. The County says eggs can survive for months in dry containers and are ready to hatch as soon as water is added, which is why it tells you to dump standing water at least once a week. Ask the company what interval it recommends for your property, and why that one.

Will I never be bitten again?

No, and treat any promise like that as a warning sign. A treated yard reduces pressure rather than ending it, because mosquitoes come in from next door. The County puts it plainly: if you are getting bitten, the mosquitoes are probably coming from somewhere close by. Its follow-on advice is the part people skip, which is that once you have dumped out standing water around your home, talk to your neighbors.

Do you offer a recurring mosquito spray service in San Diego?

Yes. If you searched for mosquito spraying near me and want it to keep working, recurring beats one-off, because the eggs outlast any single visit. A recurring mosquito spray service runs through the warm months, and the County says invasive Aedes are most active in San Diego during summer and fall. A professional mosquito exterminator targets both the adults resting in your foliage and the water the larvae need, which is why recurring service holds a population down better than spraying once. One-time backyard event treatments are available too, and either way the schedule and the price should be in writing before it starts.

How do I find mosquito control near me in San Diego?

If you're searching for mosquito control near me, a mosquito exterminator near me, or mosquito spraying near me, the pros we match you with run yard-treatment routes across San Diego County, so mosquito services near you are rarely far off. Whether you need a mosquito spray company near me for a one-time backyard event or recurring mosquito spray for yards near me through the season, the pros we match you with cover the whole county through the warm months. They quote the full job in writing before any treatment starts.

Service area

Where can you get mosquito control in San Diego County?

Mosquito Control is available in every city and community in San Diego County. Pick your city for local climate notes and service specifics.

See mosquito control in all 67 cities
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Serving San Diego County

Need mosquito control in San Diego County?

Call and we match you with a licensed local pro who quotes the job after inspecting.