Provenance
Data sources
Every number on casaq comes from one of these public datasets. We mirror the data into our own database with its vintage, log every sync, and drop a page from search automatically when its source goes stale.
| Dataset | Used for | Version / as of | License | Refresh | Last sync |
|---|---|---|---|---|---|
| National Risk Index, counties FEMA | Overall and 18 hazard ratings, scores, expected annual loss per county | December 2025 | US Government work (public domain) | Monthly check, mirrored | OK 2026-11-01 · 3,232 rows |
| National Risk Index, census tracts FEMA | Tract ratings for address lookups | December 2025 | US Government work (public domain) | Monthly check, mirrored | OK 2026-11-01 · 85,154 rows |
| National Flood Hazard Layer (layer 28, flood hazard zones) FEMA | Flood zone at an address (live, 24 h cache by rounded point) | Live | US Government work (public domain) | Live per lookup | Live or hand-verified |
| Census Geocoder (geographies) US Census Bureau | Address → county and tract (live; the address is not stored) | Current benchmark | US Government work (public domain) | Live per lookup | Live or hand-verified |
| Disaster Declarations Summaries v2 FEMA (OpenFEMA) | Federal disaster declarations per county | 2026-11-02 | OpenFEMA terms (public, attribution requested) | Weekly | OK 2026-11-02 · 68,040 rows |
| NFIP Redacted Claims v3 FEMA (OpenFEMA) | Flood-insurance claim counts per county and year, inside vs outside the high-risk zone | 2026-11-02 | OpenFEMA terms (public, attribution requested) | Weekly | OK 2026-11-02 · 2,709,547 rows |
| ZCTA-to-county relationship 2020, Gazetteer, CBSA delineation US Census Bureau | ZIP → county, county centroids, county → metro | 2020 ZCTA · 2024 Gazetteer · 2023 CBSA | US Government work (public domain) | Static (per release) | OK 2026-10-05 · 46,967 rows |
| County adjacency file US Census Bureau | Neighbouring counties on county profiles | 2024 | US Government work (public domain) | Static (per release) | OK 2026-10-05 · 18,960 rows |
| Climate zone by county (IECC 2021, Building America 2021) PNNL / US DOE | IECC zone and Building America climate region per county | IECC 2021 / BA 2021 (PNNL 2022-08) | US Government work (public domain) | Static | OK 2026-10-05 · 3,141 rows |
| EPA Map of Radon Zones US EPA | County radon zone 1–3 | 2024-05 spreadsheet (map of 1993) | US Government work (public domain) | Static | OK 2026-10-05 · 3,143 rows |
| U.S. Climate Normals 1991–2020, annual/seasonal NOAA NCEI | Typical (50%) first and last 32°F dates at the station nearest each county | 1991–2020 normals (v1.0.1) | US Government work (public domain) | Static | OK 2026-10-05 · 7,125 rows |
| Recalls REST API US CPSC | Home product recalls; possible matches for saved equipment | 2026-11-08 | US Government work (public domain) | Nightly | OK 2026-11-08 · 194 rows |
| Federal Register API Office of the Federal Register | Dates and documents for the rules explainers | 2026-11-02 | US Government work (public domain) | Weekly | OK 2026-11-02 · 30 rows |
| Home maintenance guidance ENERGY STAR, DOE Energy Saver, EPA, NFPA, CPSC, Ready.gov | Cited in plan tasks, climate-zone and prepare pages | Checked 2026-10-05 | Cited and linked; casaq text is original | Quarterly review | Live or hand-verified |
| American Housing Survey 2023 National PUF US Census Bureau / HUD | What hired owners paid, by job, with n | AHS 2023 (National + Metropolitan PUF v1.1) | US Government work (public domain) | Per release | OK 2026-10-05 · 1,453 rows |
| CPI-U (CUUR0000SA0) BLS | Survey dollars to today’s dollars | Monthly | US Government work (public domain) | Monthly | No sync recorded |
| Occupational Employment and Wage Statistics, May 2025 BLS | Trade wages by metro (wage, not price) | May 2025 | US Government work (public domain) | Annual | No sync recorded |
| FTC Cooling-Off Rule and verified state statutes eCFR, state legislatures | Contract-terms checks, quoted with check date | Checked per row | Statutory text (public) | Quarterly review, weekly link check | Live or hand-verified |
| bls-cpi-u | Recorded by another casaq area | Aug 2026 | See the page that uses it | OK 2026-10-05 · 103 rows | |
| bls-oews-2025 | Recorded by another casaq area | OEWS May 2025 | See the page that uses it | OK 2026-10-05 · 2,977 rows | |
| quote-linkcheck | Recorded by another casaq area | 2026-11-02 | See the page that uses it | OK 2026-11-02 · 116 rows | |
| record:recall-match | Recorded by another casaq area | 2026-11-05 | See the page that uses it | OK 2026-11-08 · 0 rows |
US Government works are in the public domain (see usa.gov/government-works). casaq’s text, plan library and checklists are original. Rows show the latest sync run from our own log; a stale source turns its pages to noindex until it syncs again.