Small wall openings vs full-room demolition
Size changes the requirements. Cal/OSHA requires an asbestos contractor to be registered with DOSH for work disturbing 100 square feet or more of material containing more than one tenth of 1% asbestos; smaller jobs are reported rather than registered. The air district's notification line is also 100 square feet, but it counts regulated asbestos-containing material, defined with a 1% threshold.
So a handful of outlet cutouts in positive compound is a small, contained job, while removing the drywall from a whole room is full abatement with notification, a negative-air enclosure and a waste shipment record. Settling the electrical or bathroom scope early decides which of the two the project needs. Cost follows wall area, the number of rooms, and whether plaster or several finish layers are involved.
Taped seams continue from walls onto ceilings, and texture was often sprayed on both at once, so compare asbestos popcorn ceiling removal if the ceiling is part of the job. The Dublin CA Asbestos Removal homepage explains the five-material test list for Dublin homes.