Blog · October 14, 2026 · Washington
Pacific County Flood Zone Map in Washington
How to check if a property in Pacific County sits in a FEMA flood zone, and what the answer means for a buyer near Raymond.
Main page: Pacific County, WA GIS & Parcel Viewer (official map link, Pacific County facts and neighboring maps).
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A Pacific County flood zone map check belongs in the due diligence for any Pacific County property, from a house lot in Ilwaco to farm ground near South Bend. You can check it yourself for any Ilwaco address in a few minutes.
Below are the FEMA links, a plain reading of the zone labels, notes on where water shapes land around Ilwaco, and short answers to common questions.
Where to see the official Pacific County flood zone map
Open the FEMA Flood Map Service Center and type a county street address, say one in South Bend. The site returns the effective Flood Insurance Rate Map (FIRM) panel covering that South Bend location, which you can view or download. On acreage outside South Bend, FEMA's National Flood Hazard Layer viewer draws the zones over aerial imagery and reports the zone wherever you click near South Bend. Switch to the Washington Current Parcels layer in ArcGIS Map Viewer and find the same tract near Ilwaco. Match the Pacific County lines and acreage to the FEMA view, since flood maps don't draw property lines in detail.
Finding the tract on the Pacific County map
There's no separate Pacific County parcel site to hunt for; the Washington Current Parcels layer in ArcGIS Map Viewer carries the county's parcels along with the rest of Washington. Most people find their Pacific County tract fastest by searching an address in Ilwaco, then clicking the outline. For a backup route to the map covering Ilwaco, our Pacific County directory entry keeps the link current.
Near the Pacific County line
Near the edge of the county, check the next map over: Clatsop County, OR, Grays Harbor County, Lewis County, and Wahkiakum County all border it. Our Washington page links each map neighboring Pacific County.
High, moderate and minimal risk in Pacific County
For a lot in South Bend, the label matters more than the color: A and V zones are Special Flood Hazard Areas, land with a 1-percent chance of flooding in any given year (the base or 100-year flood). Zone AE near Ilwaco means FEMA published a base flood elevation; plain Zone A means no detailed elevation was studied. If a Pacific County parcel lists shaded Zone X, it falls between the base flood and the 500-year flood. Unshaded X (or C) on the Pacific County panel means minimal risk.
Unmapped creeks in Pacific County
A creek near Ilwaco that lists no detailed zone can still flood; FEMA says moderate- and low-risk areas still carry risk.
Questions to ask before buying in Pacific County
Request any past flood claims history for a Pacific County property before closing; it tells you more than the map alone. Then call an insurance agent who writes policies around Long Beach and get a quote using the zone and the county parcel address.
When the map affects a deal
Insurance is the practical stake for a Pacific County buyer. If a barn or house outside South Bend is mapped in a high-risk zone and is financed by a regulated or federally insured lender, flood insurance is mandatory, provided the community near South Bend takes part in the National Flood Insurance Program. For a county home in shaded or unshaded X, federal rules don't require a policy; pricing a policy for land near Ilwaco is still worth a call. If a building near Ilwaco sits above the flood line, a Letter of Map Amendment request is the formal route, usually backed by an elevation certificate from a surveyor who works in the county. Adding on to a house near Ilwaco inside the zone has to meet local floodplain rules; the county floodplain administrator can say what applies.
Quick answers for Pacific County
Do I need a permit to build in the floodplain near Ilwaco?
Building in a Special Flood Hazard Area near Ilwaco usually needs a floodplain permit and may require elevating the structure, so check with the county floodplain administrator.
Does a 100-year floodplain near South Bend flood only once a century?
Not at all; a Pacific County tract in that zone has a 1-percent chance of flooding every year, not a once-a-century schedule.
What does BFE mean on the flood map for Ilwaco?
On the map covering Ilwaco, the BFE is the height floodwater is expected to reach in the 1-percent-annual-chance flood, and it is printed in AE zones.
Who prepares an elevation certificate for a house in Ilwaco?
A licensed land surveyor or engineer prepares it, and the building office serving Ilwaco may already have one on file for newer construction.
Is flood insurance required for a Zone X lot in Ilwaco?
FEMA doesn't require it for a Zone X lot in Ilwaco, but coverage is available and some lenders ask for it.
Open the official Pacific County, WA parcel map Pacific County 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.