If you don't want to use chemicals on your property, but want to keep mosquitoes away, you can use a garlic based spray to treat your property. Mosquitoes hate the smell of garlic, but it doesn't have be strong enough in its application to be smelled by humans. It's one of the methods Disneyworld uses to control mosquitoes at their park that is in the middle of a swamp in Florida. They know a thing or two about mosquitoes. Here's a link to a product on Amazon that has great reviews: https://www.amazon.com/Garlic-Barrier-2002-Liquid-Gallon/dp/B004WC11OQ/ref=mp_s_a_1_3?crid=C964V9B67G6Q&keywords=garlic+mosquito+spray+for+yard&qid=1654643156&sprefix=garlic%2Caps%2C169&sr=8-3
A neighbor posted they used this garlic insect repellent solution to spray their yard and it worked.