2005 California Revenue and Taxation Code Sections 1136-1141 Article 5. Vessels

1136.  A ferry is a place where passengers and freight are regularly
transported by water between two fixed termini under authority of
law so to do.
1137.  Where a ferry connects points in more than one county, the
wharves, storehouses, and stationary property connected with it shall
be assessed in the county where located, and the ferryboats shall be
assessed in equal proportions in the counties it connects.
1138.  Vessels documented outside of this State and plying in whole
or in part in its waters, the owners of which reside in this State,
shall be assessed in this State.
1139.  Except as otherwise provided in this article, when the owner
or master of a taxable vessel gives written notice of its habitual
place of mooring when not in service to the assessor of the county
where the vessel is documented, the vessel shall be assessed only in
the county where habitually moored.
1140.  Vessels, except ferryboats, regularly engaged in transporting
passengers or cargo between two or more ports and vessels concerning
which notice of habitual place of mooring has not been given shall
be assessed only in the county where documented.
1141.  Vessels not required to be documented shall be assessed in
the county where habitually moored when not in service.