Look at this for rent map in San Francisco
In case you need more convincing that we are heading down hill, take a look at the rent map in SOMA in San Francisco.... Note some of the pupple dots represent multipe vacant unit (37 at Tehama, 25 at Rincon, 27 at Solaire.....)
This is starting to look like 2007 again...
https://www.zillow.com/homes/for_rent/37.79271,-122.385164,37.779415,-122.414217_rect/14_zm/