Cal. Civ. Code § 38-12-222

(1) (a) 
The management shall respect the privacy of home owners. Except as otherwise
provided by law, the management has no right of entry to a mobile home:

(I) 
Without first obtaining the written consent of the home owner;

(II) As
described in subsection (2) of this section;

(III) 
In the case of an emergency; or

(IV) 
When the mobile home has been abandoned.

(b) A
home owner may revoke consent in writing at any time.

(2) 
Unless otherwise prohibited by law, the management has a right of entry to
mobile home space to fulfill the duties described in section 38-12-212.3 and to
ensure compliance with applicable codes, statutes, ordinances, and
administrative rules; the rental agreement; and the rules and regulations of
the park. A landlord shall not enter in a manner that interferes with a
resident's peaceful enjoyment of the mobile home space, as described in section
38-12-219 (1)(b), except in the case of an emergency.

(3) 
Except when posting notices that are required by law or by a rental agreement,
the management shall make a reasonable effort to notify a resident of the
management's intention to enter the mobile home space at least seventy-two
hours before entry. The notification must include the date and approximate time
of the planned entry and must be delivered in a manner that is reasonably
likely to be seen or heard by the resident in a timely manner.