From what I can tell, they are roughly flat since around 2016. Example: https://www.zillow.com/homedetails/1174-Pomeroy-Ave-Santa-Cl... . Depends on what and where, of course.

And AFAIK, generally rents are lagging behind house prices and are more sticky. If you're a prospective buyer and houses are loosing and are projected to loose hundreds of thousands of dollars each year, that's pretty big incentive to stick around in your rental and wait.