Frequently Asked Questions

Marin County’s Self-Registration Portal (SRP) for
 Telephone Emergency Notification System (TENS)


What is Marin County’s Telephone Emergency Notification System (TENS) used for?

What, if any, of my contact information do you already have in the current telephone emergency notification system for me?

Why am I being asked to use the Self Registration Portal?

What if I work in Marin County, but don’t live there, can I register to be notified of emergencies that may affect my workplace address? Or may I register my child’s school in Marin if I don’t live there?

Can I register more than one address?

Can I create a unique user name?

Do I have to pay for this service?

What is the web address to the Self-Registration Portal?

What are the browser requirements for registration?

Will registering my cellular phone replace or “overwrite” my landline home phone in the emergency notification system?

How do I know the information I provide through the Self-Registration Portal is on a secure website and will remain confidential?

Who owns the data collected through the AlertMarin SRP?

How will I know I am registered in the system before notifications are issued?

What if I don’t receive the verification email?

What if my email address or phone number changes?

What do I do if I do not have an email?

- AT&T - your 10-digit wireless phone number followed by (i.e.:
- Verizon - your 10-digit wireless phone number followed by (i.e.:
- Sprint - your 10-digit wireless phone number followed by (i.e.:
- T-Mobile - your 10-digit wireless phone number followed by (i.e.:

 Should I expect any further emails or notifications from TENS regarding the registration Process?

What is the purpose of the map on the right hand side of the Self-Registration Portal screen?

What if my address is not reflected accurately on the map? Can I fix this?

What if I forget my password?

I plan to re-locate. How do I remove myself from the emergency notification system’s database?

I don’t want to receive telephone emergency notifications on my cell or VoIP anymore. Can I cancel my registration?

Is this the only emergency warning tool that Marin County uses?

What can I do to get ready for an emergency situation?

How are TENS messages received on my cell phone different from Wireless Emergency Alerts (WEA Messages) from the National Weather Service and other government agencies?

Who do I contact if I have other questions?