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Development Services

Get started here to install a new water service or modify an existing one

When initiating a construction project, there may be a variety of requirements related to water service that must be undertaken as part of your project. These requirements are established and administered by Marin Water. Projects may include:

  • New construction
  • Renovations requiring installation of a fire sprinkler system 
  • Renovations adding water fixtures beyond existing meter capacity
  • Accessory dwelling units (ADUs)
  • Dedicated irrigation meters
  • Relocating an existing water meter

Marin Water's Engineering Development Services team can assist you with information regarding the installation of new or upgraded water meters, dedicated fire line connections or water main extensions.

To get an early idea of potential requirements for your project, refer to the overview of new water service requirements.

When you are ready to proceed with the water service installation or modification process, complete the Project Information Form. 

Project Information Form

What to expect after submitting your Project Information Form

Your project information will be reviewed by Marin Water staff within 10-14 business days. Marin Water will then provide all requirements, fees and forms for your project. For a step-by-step guide to the water service application process, please refer to the Water Service Checklist.

Fees & Charges

The fees and charges associated with new or upgraded water service may include the following: 

  • Service installation fee
  • Meter installation fee
  • Meter relocation fee
  • Inspection charges
  • Capacity charges

Please refer to the Schedule of Rates, Fees and Charges for current fees and charges. 

Additional Potential Costs to the Customer

In addition to the fees and charges, a customer may incur other costs when installing a new water service or when increasing the size of an existing water meter:

  • Installation of a backflow prevention assembly: Costs associated with purchasing/installing required backflow prevention assembly.
  • Landscape plan review: Costs associated with hiring a landscape architect to prepare and submit materials to comply with the landscape plan review process.
  • Installation of high-efficiency water-using fixtures: Costs to ensure fixtures (i.e., toilets, urinals, dishwashers, etc.) meet water conservation standards.

For questions, please call our Engineering Development Services department between 8 a.m. to 4 p.m., Monday through Friday at 415.945.1530.

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