Blog · October 14, 2026 · Pennsylvania
Montour County Flood Zone Map, Pennsylvania
FEMA's free flood maps and the Montour County parcel viewer, used together for property near Washingtonville.
Main page: Montour County, PA GIS & Parcel Viewer (official map link, Montour County facts and neighboring maps).
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Before you buy a house in Washingtonville, add on to a barn near Mechanicsville, or price a lot along Chillisquaque Creek, check the Montour County flood zone map. You can check it yourself for any Washingtonville address in a few minutes.
We'll cover finding a Montour County address on FEMA's map, what Zone A, AE and X mean, how the county viewer fits in, and what to do if the map looks wrong.
How to check the Montour County flood zone map
Start at the FEMA Flood Map Service Center and enter the property address in Mechanicsville or anywhere else in the county. Download the FIRM panel FEMA lists as effective for that part of Montour County. For an irregular lot near Danville, the National Flood Hazard Layer viewer is easier to use, which lists how much of a county parcel sits inside the zone. Then open the PASDA Pennsylvania Tax Parcels viewer for Montour County to confirm the parcel near Mechanicsville. If the Montour County viewer has a floodplain layer, treat it as a convenience copy and confirm on FEMA's map.
Search Montour County parcels by owner, address or ID
For Montour County, the free public parcel layer is state-run: open the PASDA Pennsylvania Tax Parcels viewer and pan to Danville. Use the search box for an address in Washingtonville or a parcel number, or simply zoom in and click a property near Danville. If the official address for the Montour County, PA map ever changes, our directory page carries the current link for Washingtonville and the rest of the county.
Zone A, AE and X in plain English
On the FIRM covering Montour County, zones that start with A or V are Special Flood Hazard Areas, defined by a 1-percent annual chance of being flooded. Zone AE near Danville means FEMA published a base flood elevation; plain Zone A means no detailed elevation was studied. Shaded Zone X around Mechanicsville is moderate risk, between the 1-percent and 0.2-percent annual chance lines. Clear, unshaded X near Mechanicsville is outside the 500-year floodplain.
From Danville to the back roads
From Danville, the seat of the county, the map spreads out to Washingtonville. Smaller places such as Mechanicsville, Mexico, and Mooresburg appear on the county map as little clusters of lots. Census Bureau estimates put Montour County at about 17,860 residents in 2023 on approximately 130 square miles of land. Platted neighborhoods near Washingtonville give way to rural acreage elsewhere in the county.
Near the Montour County line
Montour County borders Columbia County, Lycoming County, and Northumberland County, and each keeps its own parcel map and records. Our Pennsylvania page links each map neighboring Montour County.
Creeks, rivers and low ground in Montour County
The Montour County landscape includes Chillisquaque Creek and Mahoning Creek, and that's where flood questions cluster. Waterfront and bottomland parcels near Mechanicsville commonly carry a zone along one edge, so check where the buildable part sits. A low spot on a Montour County tract outside any mapped zone, so treat an unmapped channel as a reason to ask questions, not proof the ground stays dry.
Flood insurance and building rules in Montour County
Insurance is the practical stake for a Montour County buyer. When a Montour County home is mapped in a high-risk zone and carries a federally backed mortgage, flood insurance is mandatory, as long as Montour County or the town participates in the NFIP. In Zone X near Mechanicsville, insurance is a choice, not a mandate, although a lender in Pennsylvania can still ask for it. When a Montour County homesite is on a rise inside a mapped zone, a Letter of Map Amendment request is the formal route, supported by elevation data from a licensed surveyor. Building or filling inside a mapped zone near Mechanicsville has to meet local floodplain rules, and the building office serving Danville explains the steps.
Deeds and plats behind the Montour County map
For land near Danville, the deed itself lives in the county recording office, and the map is an index to it. A deed book and page or instrument number on the county record is the quickest route to order the document for a lot in Danville.
Quick answers for Montour County
Do I need flood insurance in Zone X in Montour County?
Not under federal rules; Zone X in Montour County is outside the Special Flood Hazard Area, although a lender can still require coverage.
Is there a floodplain layer in the PASDA Pennsylvania Tax Parcels viewer?
Check the layer list in the PASDA Pennsylvania Tax Parcels viewer; if Montour County includes a floodplain layer, confirm the zone on FEMA's map anyway.
Do I need a permit to build in the floodplain near Danville?
Building in a Special Flood Hazard Area near Danville most commonly needs a floodplain permit and may require elevating the structure, so check with the county floodplain administrator.
What does 100-year flood mean for Montour County land?
No, ground around Danville mapped that way has a 1-percent chance of flooding every year, not a once-a-century schedule.
Where do I get an elevation certificate in Montour County?
Hire a licensed surveyor or engineer who works in Montour County; ask the local floodplain office first in case one exists.
Where can I see flood zones for land near Washingtonville?
Look it up at FEMA's Flood Map Service Center, then match the parcel lines in the PASDA Pennsylvania Tax Parcels viewer; for land near Washingtonville, a zone starting with A or V is high risk.
Open the official Montour County, PA parcel map Montour 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.