Empty bird baths, kiddie pools, flower pot saucers, and keep gutters clear. If you have made all of those efforts it could be time to hire a professional.
Ken Frost, a mosquito control contractor, says they apply a product with a sprayer that sticks to the underside of the leaf and dries in the foliage. When the mosquito comes to feed on that, it kills them off.
Several types of plants also act as a natural mosquito repellent. Mosquitoes tend to avoid catnip, lavender, marigolds, basil and peppermint.