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Service Finder

Online Services, Phone Numbers, and Public Counter Hours

Whether you’re seeking billing assistance, water-saving guidance, an application for a new meter installation, or a parking pass at the Mt. Tam Watershed, Marin Water staff are here to help. Here, you’ll find contact information for a range of services so you can quickly access the information that matters most to you. Many of our services are also available online. You can find our online forms here as well. 

In-person customer assistance is available at our main office public counter Monday – Thursday, 8 a.m. – 4:30 p.m. (closed Fridays). For pre-scheduled Friday appointments with Engineering Services (415.945.1530) or Water Efficiency (415.945.1520), call upon arrival and a staff representative will meet you at the door.

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Street Leaks & Water Waste | Customer Support | Administration | Community Outreach | Mt. Tam Watershed | Construction/Infrastructure Projects | Doing Business with Marin Water

Public Records Requests


Street Leaks & Water Waste


24/7 water emergencies (i.e., a potential main break or hazardous situation)415.945.1500


Report a street leak (i.e., wet spots, slow or rapid flow of water in the streets)Online form
Report water waste (i.e., water waste or leak on a neighbor's property)Online form

Customer Support

Accounts and Billing

Accounts and billing general phone number415.945.1400 
Start water serviceOnline form
Stop water serviceOnline form
Discount programs and payment plansProgram information and applications
Billing questions and informationPayment and forms
Request a billing adjustment for loss of water / leakOnline form
Update contact informationOnline form
Payment options & termination policy for non-paymentsMore information

Water Saving Programs and Rebates

Water efficiency rebates and incentivesProgram information and online forms
Conservation Assistance Program (free on-site water-use consultation)Online form

Water Rules

Water-use efficiency and rulesCurrent rules
Requesting a variance415.945.1520

For Business

Non-residential water entitlementsMore information
Non-residential water budgetsMore information

Water Quality

Water quality, taste or odor issues, and backflow preventionMore information

Water Meters

Water meter installation or upgradeProject checklist and online form
Request will serve / water availability letter415.945.1530
Meter issues or questions415.945.1173

Landscape Plan Review

Landscape plan reviewPacket and worksheet
Graywater ordinanceRequirements and form


Contact a board memberContact information
Board meeting informationMeetings and agendas
Media inquiriesNewsroom
Public records requestsOnline form
EmploymentCurrent opportunities

Community Outreach

Community presentation requestOnline form
School programsOnline forms
Volunteer opportunitiesRegistration forms

Mt. Tam Watershed

Visitor InformationMore information
Road Closure Hotline (recorded message)415.945.1195
Current Fishing Information (recorded message)415.945.1194
Land use permits (commercial filming, photography, events, groups, research)Application information and forms
Parking passesPayment information and form
Watershed lost and found415.945.1180
Volunteer opportunitiesRegistration forms
Watershed observation report (report issues you encounter on the Mt. Tam Watershed)Online form

Construction/Infrastructure Projects in Your Neighborhood

Construction updatesActive projects

Doing Business with Marin Water as a Vendor

Bids & contractsOpen bids
415.945.1402 *

*Please connect first with the bid contact or contract project manager for Marin Water