Lakewood Ranch, FL

Lakewood Ranch is inland, but it's built around thousands of acres of lakes and ponds, which means a lot of homes here face water and humidity even without being on the coast. Lawn irrigation and lake-effect moisture cause their own kind of mineral spotting on windows and screens.

It's also still actively growing, with new villages and new construction going up regularly — meaning a lot of newer homes, roofs, and solar installations that need the same ongoing exterior care to stay looking as sharp as the day they were finished.