Please be aware that all health department facilities will be closed on Thursday, December 25th, due to the Christmas holiday. Also, please be aware that all health department facilities will be closed on Thursday, January 1st, 2015 due to the New Year's Day holiday.

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314-615-SERV (7378)!

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Mosquito Vector Control

Rodent and mosquito control in your neighborhood

Norway Rat


If you are interested in seeing what general section of the county is sprayed for mosquitoes on a particular night of the week, click here. If you would like to hear specific information listing where spraying will occur tonight, call 314-615-4284 (615-4BUG). A recorded message is updated daily between 4:00 p.m. and 6:00 p.m. Spraying begins at sunset.


Vector Control services include


Inspecting property for rat and mosquito infestations.


Controlling mosquito breeding sites on public property.


Controlling rat infestations on public property.


Monitoring for mosquito-borne disease.


Educating citizens on vector control measures.

These services are provided at no cost to residents of unincorporated Saint Louis County. The mosquito control program is available by contract in municipalities.

Important Phone Numbers

Saint Louis County Vector Control
   (New Facility)
(314) 615-0680
Saint Louis County Animal Control
   (New Facility)
(314) 615-0650
MO Dept. of Conservation
   (Powder Valley)

For Wildlife Control Only

(314) 301-1500
Bi-State Wildlife Hotline (636) 492-1610