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.
- 0.2.0
- Version
- remote
- Transport
- 6
- Tools
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Tools (6)
address_profile
One-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 state, county and census tract. - **flood**: the FEMA flood zone at the point, exactly as `flood_zone` returns it. - **demographics**: county population and median household income (ACS 5-year estimates). - **hazards**: counts of FEMA declarations (and major disasters) and their types, NOAA storm events, deaths and reported damage, and USGS earthquakes within 100 km (since 1950), over the last ten years. Every section has a `status`. The flood zone is required: if FEMA's map cannot be read, no report is produced and the call is not charged. Any other section that fails is marked unava
admin_areas
State 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 ingested. A coordinate exactly on a county line is genuinely in both counties and both are returned - the alternative is an address falling into a gap. Take the first if you need one answer. When to use: Use to turn a coordinate into a county or state GEOID before asking for any census-keyed data. Free, so there is no reason to guess a FIPS code. This tool is free and does not consume plan credits. Every response includes a sources[] array naming the data origin and licence.
area_demographics
Population 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 returned as null rather than filled in. The release that produced them is in `dataset_version` and in each metric's `period`. When to use: Use for "how many people live in this area" or "what is the median income there". Give a coordinate, or a county GEOID from admin_areas. Billed as property.area_demographics at 1c. Every response includes a sources[] array naming the data origin and licence.
census_geocode
Free. 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 geocoder cannot place is reported as not found, never guessed. US addresses only; PO boxes and rural routes often do not match. When to use: Use when you have a US street address and need its coordinates, county or census tract. Free. flood_zone, hazard_history and address_profile also accept the address directly, so call this only when the user wants the location itself. This tool is free and does not consume plan credits. Every response includes a sources[] array naming the data origin and licence.
flood_zone
FEMA 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 Layer at one point, live, so the answer is FEMA's current effective map: the flood zone and subtype, a risk level (high, coastal high, moderate, minimal, undetermined, unmapped), whether the point is in the Special Flood Hazard Area or a floodway, the base flood elevation in its unit and vertical datum (null, never 0, where no single elevation is published: it then varies along the flooding source and is read from the FIRM profile), the FIRM panel and its effective date, the NFIP community, any Letter of Map Revision in effect, and notes where FEMA's own flags disagree with the zone. Answers ar
hazard_history
Natural-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 of the first year: the total (major disasters, emergencies and fire management), major disasters alone, count by incident type, and the declarations themselves with FEMA ids and links. Statewide declarations are included. - **NOAA Storm Events** for the county: events, deaths, injuries and reported property and crop damage (nominal dollars; unreported damage counts as 0, so it is a floor), by type and by year, plus the worst events. Events NOAA records for a forecast zone covering only this county (most heat and winter-storm deaths) count as the county's own; a zone covering sev