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Letter of Map Amendment (LOMA) and
Letter of Map Revision (LOMR)

The type of flood zone your property is listed as can significantly impact the rates of your flood insurance as well as the building codes that need to be followed for your construction project. This is especially true in Florida where some Flood Insurance Rate Maps (FIRMs) were created using large-scale, county-wide data that is ten to thirty years old. The professionals at SurvTech Solutions evaluate your property and can see if it was misclassified. Our team collects more accurate, site-specific data using the latest modeling and mapping techniques to determine the proper flood zone. Our team of professionals will work through the process for submitting documents for approval.

LOMA Definition

A Letter of Map Amendment (LOMA) is an official amendment, by letter, to an effective National Flood Insurance Program (NFIP) map. A LOMA establishes a property's location in relation to the Special Flood Hazard Area (SFHA). LOMAs are usually issued because a property has been inadvertently mapped as being in the floodplain, but is actually on natural high ground above the base flood elevation.

Because a LOMA officially amends the effective NFIP map, it is a public record that the community must maintain. Any LOMA should be noted on the community's master flood map and filed by panel number in an accessible location.

 

​FEMA Links

LOMR Definition

A Letter of Map Revision (LOMR) is FEMA's modification to an effective Flood Insurance Rate Map (FIRM), or Flood Boundary and Floodway Map (FBFM), or both. LOMRs are generally based on the implementation of physical measures that affect the hydrologic or hydraulic characteristics of a flooding source and thus result in the modification of the existing regulatory floodway, the effective Base Flood Elevations (BFEs), or the Special Flood Hazard Area (SFHA). The LOMR officially revises the Flood Insurance Rate Map (FIRM) or Flood Boundary and Floodway Map (FBFM), and sometimes the Flood Insurance Study (FIS) report, and when appropriate, includes a description of the modifications. The LOMR is generally accompanied by an annotated copy of the affected portions of the FIRM, FBFM, or FIS report.

All requests for changes to effective maps, other than those initiated by FEMA, must be made in writing by the Chief Executive Officer (CEO) of the community or an official designated by the CEO.

Because a LOMR officially revises the effective NFIP map, it is a public record that the community must maintain. Any LOMR should be noted on the community's master flood map and filed by panel number in an accessible location.

Florida Property that benefits from LOMR

  • High-Rises

  • Condominiums

  • Hotels

  • Resorts

  • Shopping Malls

  • Shopping Centers

  • Residential Homeowners’ Associations (HOA's)

  • Apartment Complexes

  • Offices

  • Commercial Buildings

  • Waterfront Structures (marinas, ports, etc.)

  • Vacant commercial lots

  • Builder and Developer projects

Survey Offices based in and near:

SurvTech has numerous offices spread throughout Southeastern United States to serve your commercial survey needs. Offices locations include:

  • Tampa, Florida

  • Orlando, Florida

  • Mobile, Alabama

  • New Orleans, Louisiana

  • Decatur, Alabama

  • Lakeland, Florida

  • Fort Pierce, Florida

Surveying Today 
with Tomorrow's Technology 

LOMA and LOMR Specialists

Make sure your property is properly classified for the correct flood zone risk. 

Call 813-621-4929 or contact us to to see if a LOMA or LOMR is right for your property.