California Sub-Meters

California Sub-Meters (CSM) is the leader in providing private water sub-metering systems and water management services for residential California Sub-Meters (CSM) is the leader in providing private water sub-metering systems and water management ser...

California Sub-Meters (CSM) is the leader in providing private water sub-metering systems and water management services for residential California Sub-Meters (CSM) is the leader in providing private water sub-metering systems and water management services for residential homeowners for 30 years!