Glossary

Online LOMC (Letters of Map Change Portal)

FEMA's online portal for submitting and tracking Letters of Map Change applications digitally.

Online LOMC is FEMA's web-based portal that allows applicants to submit, track, and manage Letters of Map Change requests electronically. It replaced the older paper-based submission process and is now the primary way that LOMA, LOMR-F, and other map change applications are filed with FEMA.

Key takeaways

Online LOMC is FEMA's official digital system for submitting map change requests.
It supports LOMA, LOMR-F, CLOMA, CLOMR-F, and other LOMC types.
Applicants can upload documents, track case status, and receive determinations through the portal.
Using the portal correctly can speed up processing and reduce errors from incomplete submissions.

Why it matters

Homeowners and professionals need to know where and how to submit their map change applications.
The online system provides status tracking that was not available with paper submissions.
Errors in the submission process are a common cause of delays, so understanding the portal helps.

Frequently asked questions

Do I have to use the Online LOMC portal?

FEMA strongly encourages electronic submission through the Online LOMC portal, and it is the standard pathway for most applications. Paper submissions may still be accepted in some cases, but electronic filing is faster and allows you to track your case online.

Can I check the status of my application on Online LOMC?

Yes. Once you submit an application through the Online LOMC portal, you can log in at any time to check the status of your case, see if FEMA has requested additional information, and view determination letters when they are issued.

Is the Online LOMC portal free to use?

The portal itself is free to access and use. However, FEMA may charge review fees for certain application types such as LOMR-F and CLOMR-F. LOMA applications do not have a FEMA review fee.

Who can submit through the Online LOMC portal?

Homeowners, surveyors, engineers, and other professionals can all create accounts and submit applications through the portal. Many homeowners choose to have a professional handle the submission to ensure the application is complete and accurate.