Proptech / Flood Risk Assessment
Live
Web
Know the water risk before you commit.
One address. A clear answer built from federal maps, rainfall history, nearby events, and how the land around a property is changing.
02 · Spec
What ships, and what we publish about it.
| Platform | Web |
|---|---|
| Version | |
| Status | Live |
| Audience | homebuyersreal-estate-agents · property-investors · homeowners |
| Stack | Next.js · React · TypeScript · FirebaseStripe · Mapbox GL · FEMA ArcGIS · USGS · NWS · Open-Meteo · Google Gemini · Postgres · Vercel |
03 · About
What it is.
Freemium web app for U.S. property flood risk checks using FEMA maps, live alerts, and interactive maps: unlimited free search, $15 one-time report, Pro for ongoing deeper analysis.
Does It Flood helps homebuyers, agents, and investors review FEMA flood zone context, NWS flood alerts, precipitation context, and interactive Mapbox hazard maps for any U.S. address. Free includes unlimited searches and core risk summaries. A $15 one-time Single Property Report unlocks full depth for one address. Pro ($10/mo or $96/yr) adds hourly precip charts, 10-year history and satellite timeline, AI risk narratives, premium Cat 3-5 surge layers, and downloadable PDF reports. Outputs are informational and not official FEMA determinations.
04 · Figures
Real frames from the build.
Screenshots from the live site. No browser mockups: the product as deployed.
05 · Features
Feature index.
Mechanics that are in the current build. Planned work stays out of this table until it ships.
- Plain-English flood verdict
A direct yes/no/maybe answer leads every property page, in place of a raw FEMA zone code.
active - Unlimited address search
Search any U.S. address with unlimited searches on Free and Pro. Homepage hero includes live search.
active - FEMA flood zone & interactive maps
FEMA zone determination on Mapbox maps with hazard overlays.
active - NWS flood alerts
Live flood warnings, watches, and advisories.
active - Property flood analysis panel
Unified flood analysis panel with risk score, zone, elevation, and related factors.
active - Precipitation forecast & history
48h summary on Free; full hourly chart and 10-year history on Pro / Single Report.
active - Single Property Report
$15 one-time unlock for one complete property report. No subscription.
active - Pro analysis toolkit
AI narrative, PDF reports, premium surge layers, and deeper methodology for ongoing monitoring.
active - Accounts, saved properties & billing
Sign in to save properties and manage Pro via Stripe.
active
06 · Updates
Public update log.
| Jul 2026 | Plain-English flood verdict, redesigned property page, and reliability fixesProperty pages now lead with a direct flood verdict instead of a raw zone code, alongside a broader UX/design-system pass, more reliable land-cover and free-tier data fields, and auth hardening. |
|---|---|
| Jul 2026 | Redesigned homepage, $15 one-time report, and unified flood analysisHomepage now leads with answer-first positioning and in-hero search. Pricing adds a $15 one-time Single Property Report alongside Free and Pro ($10/mo or $96/yr). Property pages use one combined flood analysis panel under the plain-English verdict. |
| Jul 2026 | Pro toolkit clarity with Free/Pro-only pricingProperty Pro toolkit UX, Enterprise hidden from sale, Stripe hardening, and Playwright e2e coverage. |