https://www.mercurynews.com/2022/01/10/as-new-housing-law-hits-bay-area-developers-wade-in/

Minutes after Palo Alto City Hall reopened for the new year, architect Randy Popp emailed city planners a client’s proposal to replace an aging single-family home on a large lot with three new houses and an accessory unit.

With that, the first round of proposals from Senate Bill 9 — the state’s latest effort to boost housing in established, single-family home neighborhoods — hit the Bay Area. But so far, city planners say the measure is producing more of a light sprinkle than a hurricane of proposed development.