Nowhere is building enough housing for growth. In low cost of living places, chances are if you look at population data, the metro region has been stagnant for decades which has alleviated pressure on supply. In any area with growth at all, prices rise because we don't build actual dense housing like we did before WWII (when row houses and mixed use development in walking distance to frequent public transit were the…
It's handy to say "nowhere is building" but it's not really supported by the data. Look at Dallas and Houston compared to San Francisco. https://fred.stlouisfed.org/graph/?g=B6Tc
There are areas in Canada where building massive towers has been premature and also led to increase in costs.