Skip to content

Proptech / Flood Risk Assessment · Active project record

Does It Flood?

Know the water risk before you commit.

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.

WebSource record · October 2026

Built around a specific job.

Does It Flood helps homebuyers, agents and property investors inspect FEMA flood-zone context, weather alerts, rainfall and interactive hazard maps for U.S. addresses. Free search provides a core risk summary; a one-time property report and Pro add the recorded paid analysis tools. Purchased reports remain accessible from the account and property page. Unavailable measurements and failed lookups are identified rather than presented as reassuring data. Reports support research and are not official FEMA determinations.

One address. A clear answer built from federal maps, rainfall history, nearby events, and how the land around a property is changing.

  • Unlimited property searches on Free and Pro
  • Plain-English flood verdict up front, not just a raw zone code
  • FEMA zones + interactive Mapbox hazard maps
  • Live NWS flood alerts included free
  • $15 one-time Single Property Report for one decision
  • Pro toolkit: PDF reports, AI narrative, Cat 3-5 surge, 10-year history
  • Honest Free / Single Report / Pro packaging; Enterprise not sold
Ways people use it
  • Screen U.S. addresses for FEMA flood zone context
  • Monitor NWS flood alerts for an area
  • Purchase a one-time Single Property Report
  • Generate Pro PDF flood risk reports
  • Compare Free vs Single Report vs Pro depth

The working scope.

  • Plain-English flood verdictA direct yes/no/maybe answer leads every property page, in place of a raw FEMA zone code.active
  • Unlimited address searchSearch any U.S. address with unlimited searches on Free and Pro. Homepage hero includes live search.active
  • FEMA flood zone & interactive mapsFEMA zone determination on Mapbox maps with hazard overlays.active
  • NWS flood alertsLive flood warnings, watches, and advisories.active
  • Property flood analysis panelUnified flood analysis panel with risk score, zone, elevation, and related factors.active
  • Precipitation forecast & history48h 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 toolkitAI narrative, PDF reports, premium surge layers, and deeper methodology for ongoing monitoring.active
  • Accounts, saved properties & billingSign in to save properties and manage Pro via Stripe.active
Feature details and benefits

Plain-English flood verdict

Translates the FEMA zone into a one-line verdict (for example 'Unlikely. FEMA maps this address outside the flood-risk zones.'), then backs it with 30-year mortgage-life odds, an elevation comparison against the base flood elevation when FEMA publishes one, and an insurance-requirement note.

  • Answers the question before the jargon
  • 30-year odds framed the way buyers actually decide
  • Never invents a number it does not have

Unlimited address search

Geocode and open flood risk context for U.S. properties without paywalling search volume.

  • Fast diligence starting point
  • No search quota on Free
  • Search in the hero, no extra click

FEMA flood zone & interactive maps

View flood hazard zones and related layers for a searched property.

  • Visual zone context
  • Official hazard layer overlays

NWS flood alerts

National Weather Service alert context for U.S. locations, included on Free.

  • Situational awareness
  • Always-free alerts

Property flood analysis panel

Property Overview presents FEMA-derived context in one analysis panel plus Pro toolkit entry points.

  • One-screen summary
  • Clear diligence talking points

Precipitation forecast & history

Rainfall timing and long-term patterns alongside flood zone context.

  • Near-term awareness
  • Long-term pattern depth on paid options

Single Property Report

One-time Stripe purchase for one address: history, development analysis, full map layers, PDF, 30-day data refreshes, permanent access to the purchased report.

  • Right shape for one property decision
  • Does not renew
  • Does not start a subscription

Pro analysis toolkit

Paid subscription tier for buyers, builders, and investors who need shareable depth across properties.

  • Downloadable PDF reports
  • Advanced map layers
  • AI risk narrative

Accounts, saved properties & billing

Firebase authentication, saved properties, Stripe checkout and billing portal, self-service account deletion.

  • Persist research
  • Self-serve billing

Project details.

Does It Flood? specifications
PlatformWeb
AvailabilityActive project record
Source recordOctober 2026Synchronization date, not a capture or launch date
Who it is forhomebuyers · real-estate-agents · property-investors · homeowners
Tools behind the buildNext.js · React · TypeScript · Firebase · Stripe · Mapbox GL · FEMA ArcGIS · USGS · NWS · Open-Meteo · Google Gemini · Postgres · Vercel

Public update log.

Recorded update · 2026-10-06

Rivercut Home identity across Does It Flood

The selected Rivercut Home logo keeps Does It Flood's existing navy, teal and warm paper palette. The website, PDF report branding, browser and app icons, social artwork and marketing package now use the same approved vector master.

  • Editable SVG and transparent PNG logos in light, dark and monochrome treatments
  • Consistent navigation, account, PDF and social-preview branding
  • Refreshed desktop and mobile runtime captures
Does It Flood? updates
October 2026Rivercut Home identity across Does It FloodThe selected Rivercut Home logo keeps Does It Flood's existing navy, teal and warm paper palette. The website, PDF report branding, browser and app icons, social artwork and marketing package now use the same approved vector master.
October 2026More reliable FEMA zones and purchased-report accessFEMA zone lookups now request supported fields. Address search has clearer keyboard interaction and request handling, purchased reports stay accessible, and report-access outages are reported as retryable failures.
July 2026Plain-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.
July 2026Redesigned 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.
July 2026Pro toolkit clarity with Free/Pro-only pricingProperty Pro toolkit UX, Enterprise hidden from sale, Stripe hardening, and Playwright e2e coverage.

A useful idea of your own?

Start with the business task. We will work out what needs building and what belongs in the scope.

Discuss your project

Thursdays

Get the digest on Thursdays

Each Thursday: the shop notes and AI daily issues from the last seven days, and one product. Unsubscribe from any issue.