Overall church attendance is going down. 4000 churches close their door every year.
In my area, we are already "built out" and therefore infill building is the game.
Prime sites for new small subdivisions,, are now church facilities. the sizes of the congregations have dwindled. they need less space.
They sell the site, get a bundle of money, and rent space elsewhere.
I am a real estate broker, and another agent told me she has developed a specialty for a few builders. Several examples now exist.
This is in traditionally conservative Orange County CA, home of Chuck Smith's Calvary, Saddleback, Crystal Cathedral, and many others.
Building new churches is not a growth industry.