Flood zone · Connecticut
Flood zone in Connecticut
Flood zone (FEMA NFHL) data for ZIP codes in Connecticut. Pick a ZIP below to dive into the flood zone summary.
Last verified 2026-05-13 · methodology
What lands here
Pages show the flood zone code, what it means in plain English (1% annual chance zone, 0.2% annual chance zone, or outside mapped hazard), and the base flood elevation where assigned.
Source & refresh
FEMA NFHL. Refreshed quarterly loma updates. Primary source →
Connecticut top concern
Lead service lines, coastal flood
Connecticut's older housing stock carries elevated LCRR-flagged lead service line risk in cities like Hartford, Bridgeport, New Haven. Coastal Long Island Sound communities sit in FEMA AE/VE zones with Risk Rating 2.0 premium pressure. School data via NCES splits between large municipal districts and small magnet/charter networks.
See Connecticut state page for the full state-level rollup across all 12 dimensions.
Read more on flood zone
Editorial deep-dives explaining the source data, its limits, and how to read it.
Flood zones explained — what AE, X, and VE actually mean
Plain-English guide to FEMA flood-zone codes (A, AE, AH, V, VE, X, X-shaded). What the 1% and 0.2% annual-chance zones mean for your property and your insurance.
Wildfire Hazard Potential — what the USFS scale means and how to defend your home
Plain-English guide to the USDA Forest Service's Wildfire Hazard Potential 1–5 scale, how to read your community's risk, and concrete home-defense measures.
Wildfire insurance in 2026 — why premiums spiked and what to do
California, Oregon, Colorado, and other Western states have seen wildfire insurance premiums double or homeowners drop entirely. Plain-English guide to the 2026 market.
FEMA flood zones — AE vs. X vs. VE in plain English
FEMA's National Flood Hazard Layer maps every US property's flood-zone designation. Here's what AE, X, VE, and AO actually mean for your insurance bill.