We received this press release from Supv. Michael Antonovich's offfice:

The Los Angeles County Board of Supervisors unanimously enhanced additional development standards to the Community Standards District for hillside areas in the Altadena area, announced Supervisor Michael D. Antonovich. 

“This action, unanimously approved by the Board of Supervisors, ensures the preservation of Altadena’s hillsides,” said Antonovich.  “A public/private partnership with property owners, the Altadena Town Council, Altadena Heritage, and the Altadena Foothills Conservancy was instrumental in the development of this amendment.”