Glossary
Every federal data source ValiFit uses, explained in plain language with a link to the official agency. Sources cited inline on every property, town, and school page.
The FBI's annual crime statistics program, with data on violent crime, property crime, and police staffing voluntarily reported by 18,000+ U.S. law enforcement agencies.
Annual federal survey of revenues and expenditures for every K-12 school district in the United States, including per-pupil spending.
The federally-mandated 4-year graduation rate calculated for every U.S. public high school using a tracked student cohort.
Biennial federal survey of every K-12 public school covering discipline, civil rights, safety incidents, and demographic equity metrics.
The federal flood insurance program covering 5+ million U.S. properties, with redacted claims data showing actual flood-damage payouts by zip code and zone.
FEMA's official mapped flood hazard areas — Special Flood Hazard Areas (SFHAs) where FHA loans require flood insurance.
Federal designations of geographic areas with insufficient primary care, dental, or mental health professionals.
The maximum FHA-insured loan amount per county, ranging from $524,225 (national floor) to $1,249,125 (high-cost ceiling).
Federally-published GIS boundaries for every elementary, secondary, and unified school district in the United States.
Federal inventory of every U.S. hospital with location, bed count, trauma level, ownership, and helipad availability.
CMS's overall 1–5 star rating for U.S. hospitals based on mortality, safety, readmission, patient experience, and timely care measures.
Federal inventory of every U.S. fire station with location and identifier — the authoritative source for emergency service coverage analysis.
Federal inventory of every U.S. EMS / ambulance service station — the authoritative source for emergency-medical coverage analysis.
The federally-referenced fire-response time standard: 4-minute first-due engine arrival, 8-minute full first alarm, 90% of incidents.
Open dataset of 16+ million U.S. points-of-interest — restaurants, parks, gyms, libraries, pharmacies — built by Microsoft, Meta, Amazon, TomTom, Esri.
EMS response-time standard: urban 9 minutes, suburban 10 minutes, rural 14 minutes — 90% of EMS incidents.
Read our methodology →