SC
LOMA and LOMR-F in Charleston County, South Carolina
Charleston County is one of the most flood-vulnerable counties in South Carolina, with the historic city of Charleston experiencing frequent tidal flooding from the Ashley and Cooper rivers as well as hurricane storm surge. Sea level rise has increased the frequency of nuisance tidal flooding in low-lying peninsular Charleston. Hurricane Hugo in 1989 caused catastrophic storm surge, and the county remains highly exposed to Atlantic hurricanes.
LOMA in Charleston County
LOMAs are pursued in Charleston County for properties near tidal creek and river floodplain edges where ground elevation exceeds the base flood elevation. Properties in West Ashley and James Island are frequent LOMA candidates.
Read the national LOMA page →LOMR-F in Charleston County
LOMR-Fs are filed in Charleston County for developments where fill is placed to raise structures above tidal and riverine floodplains. The county's strict floodplain regulations require detailed engineering documentation for LOMR-F applications.
Read the national LOMR-F page →Major cities
- • Charleston
- • Mount Pleasant
- • North Charleston
- • James Island
- • Folly Beach
- • Sullivan's Island
Common flood zones
- • Zone AE
- • Zone VE
- • Zone A
- • Zone X
Frequently asked questions about Charleston County
Can a property in Charleston County qualify for a FEMA LOMA?
Yes. Properties in Charleston County that sit on natural high ground above the Base Flood Elevation may qualify for a LOMA. LOMAs are pursued in Charleston County for properties near tidal creek and river floodplain edges where ground elevation exceeds the base flood elevation. Properties in West Ashley and James Island are frequent LOMA candidates. 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 Charleston County?
A LOMR-F applies when earthen fill created the elevation difference at the property. LOMR-Fs are filed in Charleston County for developments where fill is placed to raise structures above tidal and riverine floodplains. The county's strict floodplain regulations require detailed engineering documentation for LOMR-F applications. If fill was used, packaging the file as a LOMA usually creates delay.
How long does a LOMA take in Charleston County?
Timing depends on document readiness and whether the case qualifies for the faster eLOMA route. Most Charleston County files move faster when the Elevation Certificate and FEMA correspondence are gathered before submission. A typical LOMA runs 6 to 12 weeks from document gathering through determination.
What does a LOMA cost in Charleston County?
FEMA does not charge a filing fee for a LOMA. The primary costs are the Elevation Certificate and any professional preparation, which vary by surveyor rates in South Carolina. Most homeowners spend several hundred to low four figures total.
Does a LOMA in Charleston County remove flood insurance?
A LOMA can change the federal mandatory-purchase requirement, but South Carolina lenders and carriers still make their own underwriting decisions. Many homeowners keep voluntary coverage at significantly lower Preferred Risk rates.
Which cities in Charleston County see the most LOMA activity?
LOMA and LOMR-F activity in Charleston County is concentrated around Charleston, Mount Pleasant, North Charleston and surrounding areas. Common flood zones include Zone AE, Zone VE, Zone A.
Can FloodMapReview.com help with a LOMA anywhere in Charleston County?
Yes. We review LOMA and LOMR-F files across all of Charleston County, South Carolina. Call (281) 870-4492 to talk through an urgent file or start a guided eligibility review online.
What documents should Charleston County 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.