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What Is a Letter of Map Amendment for Removing Flood Zone Status?

Last updated October 31, 2026

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The short answer

How a Loma Works

A LOMA is a formal amendment to the Flood Insurance Rate Map (FIRM) for a single property. You or a property owner must submit an official elevation form and other documents to FEMA. FEMA reviewers then determine if the building's lowest floor is above the base flood elevation. If the data meets their criteria, they issue the LOMA, altering the property's official flood status.

This process does not change the flood map for the surrounding area. It is a property-specific determination. The goal is to demonstrate an error in how the flood map was applied to that particular structure. Success means the property is no longer considered to be in a high-risk flood zone by the National Flood Insurance Program.

Reasons to Apply for a Loma

The primary reason is to eliminate the mandatory requirement for federal flood insurance from a mortgage lender. This can lead to significant annual savings. It also provides peace of mind by officially recognizing the property's lower flood risk. This official determination can be valuable during a real estate transaction, providing clarity for buyers and sellers.

Even in areas with dry climates and rare but intense flash floods, a LOMA can be relevant. Properties near washes or in designated floodplains may be mapped in high-risk zones. If you believe your home was incorrectly included, a LOMA is the formal way to correct the record with FEMA.

The Application Process Steps

The first step is to get a current elevation document for your property. This provides the official elevation measurements. You then complete FEMA's MT-EZ application form for single residential structures. The forms require precise data about your lot and the building's foundation.

You mail the complete application package, including the fee payment, to the address FEMA specifies. Processing can take several weeks to a few months. FEMA may request additional information. Once a decision is made, they mail the official determination letter to you and your community's floodplain manager. Keep this document with your important property papers.

  • Get an official elevation document for your property.
  • Download and complete FEMA Form MT-EZ for residential properties.
  • Gather a copy of your property deed and a detailed site map.
  • Include the required application fee with your submission.
  • Mail the complete package to the FEMA address listed in the instructions.
  • Notify your mortgage lender and insurer if the LOMA is granted.

Potential Outcomes and Next Steps

If FEMA approves your application, you will receive the official LOMA letter. You should immediately provide a copy to your mortgage lender and your insurance agent. The lender should then remove the mandatory flood insurance requirement from your mortgage. You may still choose to carry flood insurance, but it will no longer be federally mandated.

If your application is denied, FEMA will explain why. The property may not meet the elevation criteria, or the submitted data might be insufficient. You can appeal the decision with new or corrected technical data. Consulting with a floodplain manager or a surveyor familiar with FEMA requirements can help you understand the denial and your options.

What a Loma Does Not Do

A LOMA does not eliminate all flood risk. Your property could still experience flooding from sources like a broken water main, sewer backup, or extreme local rainfall. It only removes the federal designation. Local drainage issues are not addressed by a FEMA LOMA. You remain responsible for protecting your home from water damage through proper maintenance and landscaping.

A LOMA also does not change your community's floodplain management regulations. You must still comply with local building codes if you renovate. It does not assure lower premiums from private flood insurers, though it often helps. Policies vary, and your insurer decides what is covered. For any water damage from non-flood sources, local water damage pros can help with cleanup and drying.

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Frequently asked questions

How much does it cost to get a LOMA?

Costs vary significantly. The main expense is often the official elevation document, which can cost several hundred dollars. FEMA also charges a processing fee for the LOMA application. The total depends on your property's size, location, and the rates for the required property documentation.

Does a LOMA affect my property taxes?

A LOMA itself does not directly change your property tax assessment. However, by demonstrating lower flood risk, it could potentially influence your property's assessed value during a formal appraisal or reassessment. You should consult your local county assessor's office for specific information.

What if I have water damage while waiting for a LOMA?

A pending LOMA does not help with active water damage. You must address leaks, flooding, or moisture immediately to prevent mold and structural issues. Local water damage pros can perform emergency water extraction and structural drying to protect your home, regardless of flood zone status.

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