Blog · October 14, 2026 · Connecticut
Using the Hartford County Flood Zone Map
The zone on FEMA's map affects insurance, building and resale near Avon.
Main page: Hartford County, CT GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Weighing a property around Bloomfield? Checking the Hartford County flood zone map reveals whether it sits in a FEMA flood zone, and no account is needed. Covered here for Hartford County: finding the address on FEMA's map, decoding A, AE and X, and pairing it with the CT Parcel Viewer.
Getting started with the Hartford County flood zone map
Near Bloomfield, start with FEMA's Flood Map Service Center: enter the street address, and choose the dynamic map. A tract near Bloomfield without an address can still be found: zoom in from Interstate 384 then click the parcel area.
Opening the official parcel viewer
For a home near Avon, the public parcel map for this area is the CT Parcel Viewer, and anyone can open it without signing up. Without an address in hand, pan along Interstate 384 until the lines appear, then click inside the one you want. On ground around New Britain, save the parcel ID from that panel; every office in the county will want it.
Zones on the Hartford County flood zone map
In and around New Britain, A and V zones mark the Special Flood Hazard Area, meaning a 1% or greater chance of flooding each year. Out toward Bristol, a shaded X area marks moderate flood hazard, between the 1% and 0.2% annual chance floods; unshaded X means minimal mapped risk.
Who handles what
Anything recorded against property around Bristol come from the town clerk, often with an online index. Building or septic questions for a lot near New Britain are for the local planning and health departments, depending on whether the land is inside town limits.
Use the county map alongside FEMA
FEMA's map shows zones but not ownership, so check the CT Parcel Viewer too to confirm you have the right parcel near Berlin.
A short flood checklist
For a home near Bloomfield, request about past flood claims before closing; getting a quote early keeps the budget honest.
What a flood zone means for a buyer
Near Avon, get the Elevation Certificate if one exists: it records the building's elevation against the base flood. Remodeling a house in a zone near Bloomfield can trigger elevation rules; call the permitting office before you plan.
How land is described here
Rural deeds near New Britain are often described by metes and bounds, which trace the boundary call by call. Subdivision lots in New Britain usually use lot and block from a recorded plat instead, which is simpler to follow. Keep the legal description for land near Bristol for any title or survey request.
Neighboring parcel maps
Hartford County borders Litchfield County, Middlesex County, New Haven County, New London County, and Tolland County; every one of them runs a separate parcel map. Ground near New Britain that runs to the line can be split in two county records, so open the adjacent map before you assume the acreage. Out toward Bristol, our state page lists each neighboring county map for Connecticut.
Before you lean on the lines
Out toward New Britain, listed acreage is an estimate; only a licensed surveyor establishes the real corners on the ground. Owner names and values update on a schedule, so a fresh transfer around New Britain might lag behind.
Beyond the mapped zones
Low-lying fields near Berlin aren't always studied in detail, so ask neighbors about past flooding. Wetlands near New Britain can limit building even outside a flood zone; check the National Wetlands Inventory mapper for a first look.
Where the recorded documents are
The map is an index, not the title: deeds, subdivision plats and easements for land near Bristol are filed with the town clerk. For a tract near Bristol, have ready the instrument number shown in the record panel and the lookup takes minutes.
On site with the map
The parcel map usually runs in a mobile browser, which helps when you're standing on land near Bristol, so load it before you lose signal. A screenshot of the parcel near New Britain with its ID keeps working without signal.
Places you'll see on the map
You'll also find Bristol, New Britain, Avon, and Berlin, each with its own cluster of lots. Roughly 889,226 people live in Hartford County (Census Bureau estimate, 2020) on roughly 735 square miles. Hartford County was formed in 1666, so old deeds can run back a long way.
Quick answers
What is a base flood elevation in Hartford County?
For a home near Bristol, the base flood elevation is the water level expected in the 1% annual chance flood; local rules may require building above it.
Can a flood zone near Berlin change?
Out toward Avon, FEMA revises flood maps panel by panel as new studies finish; your community is notified before changes take effect.
Do I need to worry about flooding in Zone X around Bristol?
Usually, X zones around New Britain are lower risk, not no risk; many owners near Bloomfield buy coverage anyway.
Can I see flood zones on the CT Parcel Viewer around Bristol?
For a home near New Britain, a flood layer may appear in the CT Parcel Viewer layer list, but FEMA's own map is the official source.
Is the parcel map a survey around Bloomfield?
For acreage around Bloomfield, parcel lines are tax drawings, not surveys.
Open the official Hartford County, CT parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.