MO · Region 7

LOMA and LOMR-F in Missouri

Missouri is split by the Missouri and Mississippi rivers, creating a very large floodplain footprint. St. Louis and Kansas City metros drive most LOMA activity.

LOMA in Missouri

LOMA candidates often involve St. Charles and Jefferson County parcels on natural terraces.

Read the national LOMA page →

LOMR-F in Missouri

LOMR-F cases are common in newer Missouri River bottom subdivisions on engineered fill.

Read the national LOMR-F page →

Where activity concentrates

Major metros

  • Kansas City
  • St. Louis
  • Springfield

Common counties

  • St. Louis County
  • Jackson County
  • St. Charles County

Missouri county guides

Licensing and documentation in Missouri

Missouri-licensed Professional Land Surveyors or Professional Engineers must prepare elevation documents.

Frequently asked questions about Missouri

Can a property in Missouri qualify for a FEMA LOMA?

Yes, many Missouri properties qualify when the structure or parcel sits on natural high ground above the Base Flood Elevation. LOMA candidates often involve St. Charles and Jefferson County parcels on natural terraces. A specialist review can confirm whether the property matches the LOMA pattern before you order new survey work.

When is a LOMR-F the right path in Missouri?

A LOMR-F applies when earthen fill created the elevation difference. LOMR-F cases are common in newer Missouri River bottom subdivisions on engineered fill. If fill was used, packaging the file as a LOMA usually creates delay.

Who can prepare an Elevation Certificate in Missouri?

Missouri-licensed Professional Land Surveyors or Professional Engineers must prepare elevation documents. FloodMapReview.com can review an existing Elevation Certificate or connect you with a qualified professional if new survey work is needed.

Which Missouri counties see the most LOMA and LOMR-F activity?

Activity is concentrated in St. Louis County, Jackson County, St. Charles County, driven by missouri and mississippi river flooding.

Does a LOMA in Missouri automatically remove flood insurance?

Not automatically. A LOMA can change the federal mandatory-purchase requirement, but Missouri lenders and insurance carriers still make underwriting decisions. A Missouri homeowner may still choose to keep voluntary coverage.

How long does a Missouri LOMA typically take?

Timing depends on document readiness and whether the case qualifies for the faster professional-submitted eLOMA route. Most Missouri files move faster when the Elevation Certificate and FEMA correspondence are gathered before submission.

Can FloodMapReview.com help with a LOMA anywhere in Missouri?

Yes. We review LOMA and LOMR-F files across all Missouri counties, including Kansas City, St. Louis, Springfield and surrounding areas. Call (281) 870-4492 to talk through an urgent file.

What documents should Missouri homeowners gather first?

Start with the property address, current flood zone or lender determination, any existing Elevation Certificate or survey, prior FEMA correspondence, and a lender or insurance notice if one triggered the review. Upload what you have and a specialist will identify the next step.

Reviewed by

FloodMapReview Engineering

Licensed P.E. and CFM team, FloodMapReview.com

FloodMapReview Engineering is a team of licensed Professional Engineers and Certified Floodplain Managers who have reviewed hundreds of LOMA, LOMR-F, eLOMA, and Online LOMC files across the United States. The team specializes in helping homeowners, buyers, lenders, and surveyors navigate the FEMA flood map amendment process. FloodMapReview engineers personally review every case for eligibility, ensure Elevation Certificates and supporting documents meet FEMA standards, and guide clients from initial assessment through final determination.