Charleston County FEMA Flood Zones viewer — parcel-level lookup

Websitechascogis.maps.arcgis.com

Charleston County's public FEMA Flood Zones web map (ArcGIS Web AppBuilder, app id 7c10eb6de226444e9a914b9c679e2591) is the parcel-level flood viewer linked from BOTH the Charleston County Building Inspection Services floodplain page and the Town of Mount Pleasant Flood Protection page ('To view your new flood zone please click here'). Verified live, HTTP 200, 2026-09-04. Charleston County states the LiMWA (Limit of Moderate Wave Action) is depicted on this viewer as a solid green line delineating the Coastal A Zone. Zone determinations from a viewer are not a substitute for a written determination: for Mount Pleasant addresses the Town issues map determinations (Building Inspection Division, 843-884-5184); for unincorporated Charleston County, Awendaw, Hollywood, James Island, Lincolnville, McClellanville, Meggett, Ravenel, Rockville and Seabrook Island the County issues flood zone determination letters via FloodServices@CharlestonCounty.org.

More like this

FEMA Flood Map Service Center — the address lookup of record →Flood zone letters as Charleston County publishes them →Which zones trigger mandatory flood insurance on a mortgage →Current effective FIRM for Charleston County — January 29, 2021 →Pending map changes — two LOMRs, both City of Charleston, none in Mount Pleasant →Post-Hurricane-Ian remapping — no preliminary Charleston County maps on file →

← All of evacuation & flood

Kept by Jim Deutsch, Charleston REALTOR®, eXp Realty LLC – Charleston (SC). Hours, fees and rules change — the operator's own site above is the authority. Not affiliated with or endorsed by any business or agency named here.

Jim Deutsch

Charleston REALTOR® · eXp Realty LLC – Charleston (SC)

Jim farms seven Mount Pleasant neighborhoods specifically — not “the Charleston area.” That is the whole point of this index: one agent who knows which street floods, which floor plan appraises, and what the last eleven sales actually closed at, because he keeps the record himself.

SC License #102254 · james.deutsch@exprealty.com