§ 933. Exemptions. The following persons shall not be required to
obtain a license as provided in this title in order to perform mold
assessment, remediation, or abatement:

1. a residential property owner who performs mold inspection,
assessment, remediation, or abatement on his or her own property;

2. a non-residential property owner, or the employee of such owner,
who performs mold assessment, remediation, or abatement on an apartment
building owned by that person that has not more than four dwelling
units;

3. an owner or a managing agent or a full-time employee of an owner or
managing agent who performs mold assessment, remediation, or abatement
on commercial property or a residential apartment building of more than
four dwelling units owned by the owner provided, however, that this
subdivision shall not apply if the managing agent or employee engages in
the business of performing mold assessment, remediation, or abatement
for the public; and

4. a federal, state or local governmental unit or public authority and
employees thereof that perform mold assessment, remediation, or
abatement on any property owned, managed or remediated by such
governmental unit or authority.