POL Government Elected Officials Auditor Mary Hull Caballero Charter, Code and Policies City Code & Charter Online Code & Charter Title 8 Health and Sanita Chapter 8.20 Housing and School Sanitation
8.20.090 Lighting Public Halls in the Daytime.

In every multiple dwelling where the public halls and stairs are not sufficiently lighted to permit a person with normal vision to read 10‑point type in every part thereof without the aid of artificial light, the owner or person in charge of such building shall keep a light, producing at least 2 foot candle illumination burning in the hallway upon each floor and lighting every part thereof as may be necessary from sunrise to sunset.