I don't doubt the wasps are building bigger condominiums but:
Back in the 90's I had to call a pest control service to kill a HUGE nest between the exterior wall and interior bedroom wall. I lived in a 1920's farm house back then
I remember hearing a strange sound in that wall one morning, so I hit it with my fist. Imagine my surprise when a jet airliner answered back
When I went to the downstairs bathroom (sort of underneath that wall), here comes several wasps thru the vent fan
Cost me $100 back then to get rid of those rotten soandsos --- pest control was so concerned they came back a few days later to re-spray, just to be sure, and didn't charge me.
While spraying on the first visit, they told me about a family's small portable storage shed that had been
completely consumed by a wasp nest --- said that was the worst any of them had ever seen and this was in the 90's
What I have seen the last few years (and been stung by them
, is black hornets or wasps, or something, nesting in the bottoms of the creosote posts the gates are hooked to. I have to open those gates nearly every day, so the wasps or whatever must burrow into the creosote posts overnight?
I am 72 --- I have enough Botox in the backs of my legs to keep them looking 22 for the next 15 years, lollol.