No, this provision applies if either additional dwelling units or guest rooms are added to a lot after the creation of the ADU or JADU.

Prevailing setbacks apply to areas with developed lots (where some homes burned down, and with some homes still standing) of varying front yard setbacks.  See

A product (or equipment) is considered approved if it bares either the approval label of the City of Los Angeles Electrical Test Lab, or listing or certification label, symbol or other identifying mark of a recognized testing agency.

The building footprint expansion and shape can be modified provided it is within 110% of the existing building footprint and is substantially in the same location.

Low pressure gas systems (2 psi or less) with more than 10 gas outlets require plan check. Medium and high pressure gas systems (more than 2 psi) require plan check regardless of the number of gas outlets.

Please refer to Information Bulletins P/BC 2014-044 and

2% of the dwelling units. If parking is assigned, then 2% of the assigned parking spaces must be accessible. If unassigned, then a minimum of 5% of parking spaces must be accessible.