Section 1954.203.
Cal. Civil Code - CIV § 1954.203.
in effect(a)
Submeters used to separately bill tenants for water service shall satisfy each of the following requirements:
(1)
The submeter shall be inspected, tested, and verified for commercial purposes pursuant to law, including, but not limited to, Section 12500.5 of the Business and Professions Code.
(2)
The submeter shall conform to
all laws regarding installation, maintenance, repair, and use, including, but not limited to, regulations established pursuant to Section 12107 of the Business and Professions Code.
(3)
The submeter shall measure only water that is supplied for the exclusive use of the particular dwelling unit, and only to an area within the exclusive possession and control of the tenant of the dwelling unit.
(4)
The submeter shall be capable of being accessed and read by the tenant of the dwelling unit and read by the landlord without entering the dwelling unit. A submeter installed before January 1, 2018, may be read by the landlord after entry into the unit, in accordance with this chapter and Section 1954.
(5)
The submeter shall be reinspected and recalibrated within the time limits specified in law or regulation.
(b)
This section does not require a water purveyor to assume responsibility for ensuring compliance with any law or regulation governing installation, certification, maintenance, and testing of submeters and associated onsite plumbing.
References
referencesCal. Business and Professions Code - BPC § 12500.5.
referencesCal. Business and Professions Code - BPC § 12107.
referencesCal. Civil Code - CIV § 1954.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026