Marine Identification Number FAQ's
Frequently Asked Questions
1. As a landowner, what do I need to do with the US Postal Service?
Nothing. As a landowner having an address associated with overland mail delivery, no changes will result
from the issuance of the Marine Response Identification Number. Marine ID Numbers simply provide a
uniform way of establishing the ability of emergency responders with a way to identify and locate your
property from the water in the event of an emergency.
2. When will the Marine Response Identification Number actually be assigned or changed?
The new Marine ID Number will become effective on November 1, 2009.
3. How can I ensure that I continue to receive my magazine subscriptions?
As a landowner having an address associated with overland mail delivery, no changes will result from the
issuance of the Marine Response Identification Number.
4. Where am I required to place the Marine ID numbers?
Where a Marine Response Identification Number is used , the number shall be posted on a pier, dock, or
other waterfront appurtenance, no less than four (4) feet nor more than six (6) feet above the ground or
high water line. The sign must be clearly readable to emergency providers arriving by boat.
5. What size and configuration is required for displaying the Marine ID numbers?
The ID sign shall be, no less than four (4) feet nor more than six (6) feet above the ground on a
substantial, maintained support structure. The view of the ID numbers from the water must be
unobstructed and maintained. All primary letters, numbers, and symbols shall be a minimum of 3 1/2
inches in height, with a one-half inch stroke, and shall contrast with the background color.
6. What is a "Marine Response Identification Number"?
A Marine Response Identification Number is used to identify parcels of land along waterfront property.
The Marine ID Number is not used as an address; rather it is for emergency assistance. The dispatchers
would be able to cross reference the parcel address and the Marine ID number and send a water craft for a
faster emergency response time.
7. What is a "Marine Address"?
A Marine Address is a number assigned to waterfront property that is accessible only by water. The
Marine Address can be used for US Postal Service delivery as well as for emergency assistance.
8. What needs to be included on the Marine Identification posting; the entire address or just the numbers?
Posting of Marine ID numbers only requires the "numbers" be posted (just like house numbers). DO NOT POST the entire address.
US Postal Service forms and change of address information: www.usps.com
Kootenai County Addressing Ordinance: www.kcgov.us/departments/planning/ordinance.asp
Scroll down to Ordinance No. 301 - Addressing and click on the link.
Kootenai County FREQUENTLY ASKED QUESTIONS regarding Marine Addressing: www.kcgov.us
MAPS of the affected areas.
Sample "Notification Letter" for Marine Identification Numbers
Example Placement and Locations for Marine ID Numbers