I've eliminated mosquitos around my house with permethrin/bifenthrin spot spraying. The labels are restrictive about where you can spray this stuff for given its toxicity to aquatic critters. I'd also be curious to know what the professional mosquito abatement folks use. I love doing what I can to make playing outdoors more attractive.
Bifen at our company with surfactant/sticker. No complaints but some folks want 2 week cycle. My brother does his own bifen around patio and swingset and is happy. Cant speak to label adherence as i dont do the apps. Im in mn for reference