US Flood Zone & Property Risk (FEMA, NOAA, USGS, Census)
FEMA flood zone, hazard history and demographics for any US address, with sources on every answer.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.thestackunderflow.com/mcp/propertySettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.thestackunderflow.com/mcp/property{
"mcpServers": {
"datum-property": {
"url": "https://mcp.thestackunderflow.com/mcp/property"
}
}
}claude mcp add --transport http datum-property https://mcp.thestackunderflow.com/mcp/property{
"servers": {
"datum-property": {
"type": "http",
"url": "https://mcp.thestackunderflow.com/mcp/property"
}
}
}6 tools, pulled live
address_profileread-onlyOne-call US property report for an address or coordinate: FEMA flood zone (SFHA, base flood elevation, FIRM panel), county demographics, and 10-year hazard history (FEMA disaster declarations, NOAA storm events, USGS earthquakes), with a plain-English summary and a source for every part. Everything the property pack knows about one US address, in one call: - **location**: the point used, and the
admin_areasread-onlyState and county for a coordinate, with Census GEOIDs. Free - answered from boundaries the platform ingests and holds, with no provider call. Point-in-polygon against Census TIGER/Line boundaries (§22.2). Returns the administrative areas containing the point, most specific first, each with the GEOID that every other census dataset is keyed by. Tract, ZCTA and place follow when those layers are in
area_demographicsread-onlyPopulation and median household income for the county containing a point, from American Community Survey 5-year estimates. Composes two ingested datasets (§22.2): TIGER/Line resolves the coordinate to a county GEOID, then the ACS layer is read by that key. Pass `geoid` directly to skip the boundary lookup. Values are survey ESTIMATES with margins of error, not counts, and a suppressed estimate is
census_geocoderead-onlyFree. Turns a US street address into a latitude/longitude plus the state, county and census tract it is in (with GEOIDs), using the U.S. Census Bureau geocoder. Use it first, then pass the point to the paid property tools. One-line address to point, with the Census Bureau's own match: the matched address, ZIP code, coordinates and the state, county and tract containing them. An address the geocod
flood_zoneread-onlyFEMA flood zone for a US address or coordinate: zone (A, AE, VE, X ...), whether it is in the Special Flood Hazard Area (where lenders generally require flood insurance), base flood elevation with its datum, FIRM panel and effective date, NFIP community, and any Letter of Map Revision. Live from FEMA's National Flood Hazard Layer, with a plain-English summary. Reads FEMA's National Flood Hazard L
hazard_historyread-onlyNatural-hazard history for a US county or address: FEMA declarations (major disasters, emergencies and fire management, by type, with links), NOAA storm events with deaths and reported property damage by type and year, and USGS earthquakes within 100 km since 1950. One call, each source reported apart. Three federal sources, fetched together: - **FEMA declarations** for the county since 1 January
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