Cal. Health & Safety Code § 25915.2
(d) Subdivisions (a) and (c) shall not be construed to require owners of a building or part of a building within a residential common interest development to mail written notification to other owners of a building or part of a building within the residential common interest development, if all the following conditions are met:
(1) The association conspicuously posts, in each building or part of a building known to contain asbestos-containing materials, a large sign in a prominent location that fully informs persons entering each building or part of a building within the common interest development that the association knows the building contains asbestos-containing materials.
The sign shall also inform persons of the location where further information, as required by this chapter, is available about the asbestos-containing materials known to be located in the building.
(2) The owners or association disclose, as soon as practicable before the transfer of title of a separate interest in the common interest development, to a transferee the existence of asbestos-containing material in a building or part of a building within the common interest development.
Failure to comply with this section shall not invalidate the transfer of title of real property. This paragraph shall only apply to transfers of title of separate interests in the common interest development of which the owners have knowledge. As used in this section, “association” and “common interest development” are defined in Sections 4080 and 4100 or Sections 6528 and 6534 of the Civil Code.
(f) If the asbestos-containing construction material in the building is limited to an area or areas within the building that meet all the following criteria:
(g) If the asbestos-containing construction material in the building is limited to an area or areas within the building that meet all the following criteria:
(h) In those areas of a building where the asbestos-containing construction material is composed only of asbestos fibers which are completely encapsulated, if the owner knows that no asbestos fibers are being released or have the reasonable possibility to be released from that material in its present condition and has no knowledge that other asbestos-containing material is present, then an owner required to give notice pursuant to subdivision (a) of Section 25915 shall provide the information required in paragraph (2) of subdivision (a) of Section 25915 and may substitute the following notice for the requirements of paragraphs (1), (3), (4), and (5) of subdivision (a) of Section 25915: