Site Assessmentfree

Flood Zone Polygons

FEMA flood zone boundary polygons as GeoJSON for mapping

MCP Function Name
gridkit_flood_polygons

What It Does

Get FEMA flood zone polygon boundaries as GeoJSON around a site. Returns actual flood zone shapes for mapping, spatial analysis, and buildable area subtraction.

Parameters

NameTypeRequiredDescription
latfloatoptionalLatitude
lonfloatoptionalLongitude
addressstringoptionalUS street address
radius_kmfloatoptional (2)Search radius in km

Try These in Claude

Show me flood zone boundaries near this location as polygons

Data Sources

FEMA NFHL

Use Cases

Connect This Tool

Part of the unified Gridleaf gateway. Connect once for all 55 tools:

Claude Code
claude mcp add --transport streamable-http gridleaf https://mcp.gridleaf.org/mcp --header "X-API-Key: YOUR_KEY"
Claude.ai

Settings > Integrations > Add Custom Connector > URL: https://mcp.gridleaf.org/mcp

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