Blog · October 14, 2026 · Minnesota
Using the Mahtomedi Flood Zone Map
Flood zones are set by FEMA, and checking one near Willernie takes a few minutes.
Main page: Washington County, MN GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Weighing a property around Willernie? A quick look at the Mahtomedi flood zone map shows whether FEMA puts it in a high-risk zone, and no account is needed. Covered here for Mahtomedi: finding the address on FEMA's map, reading the zone codes, and pairing it with the Washington County ArcGIS parcel map.
Checking the Mahtomedi flood zone map step by step
Start with FEMA's Flood Map Service Center: search an address around Pine Springs, and choose the dynamic map. Rural land near Willernie with no street number is still easy to locate: zoom in from Interstate 494 then click the parcel area.
Pulling up a parcel
Your first stop is the Washington County ArcGIS parcel map; it includes every assessed parcel in the county, Birchwood Village included. For a home near White Bear Lake, put in a street address, an owner's name or a parcel number, then pick the result to center the map on it. Around Grant, the parcel card usually lists the owner of record, assessed acreage, the parcel number and in many cases the last transfer.
City limits and county records
Mahtomedi is part of Washington County, Minnesota, so its parcels are on the county's map. With a lot near White Bear Lake, the municipality handles things like zoning, permits and utilities for lots inside the boundary, while the county keeps the tax map. Land beyond the town limits toward Pine Springs often answers to county rules instead.
Reading A, AE and X
An AE label includes a base flood elevation (BFE), which plain A zones lack; surveyors near Birchwood Village use that number. Near Willernie, shaded Zone X marks moderate flood hazard, between the 1% and 0.2% annual chance floods; unshaded X means minimal mapped risk.
Backing up the map with records
The map is an index, not the title: deeds, plats and easements for land near Grant sit with the County Recorder. Long-held tracts near Pine Springs may sit on several deeds, so a title company is worth hiring before a purchase.
Before you lean on the lines
Listed acreage is an estimate; just a licensed surveyor sets the real corners for a parcel near Willernie. With a lot near White Bear Lake, records update in batches, so a deed recorded last month can take weeks to appear.
How land is described here
Minnesota follows the Public Land Survey System, so rural legal descriptions near Willernie cite section, township and range. Each section is nominally a mile square, about 640 acres, with 36 sections to a township, though sections near Willernie can be irregular. Keep the legal description for land near Pine Springs when you talk to a surveyor.
Getting answers from the right desk
Recorded documents for a parcel near Pine Springs sit in the index kept by the County Recorder, sometimes only in person. Building or septic questions for a lot near Birchwood Village are for the local planning and health departments, town or county, depending on location.
A short flood checklist
Ask the seller for any Elevation Certificate on the property near White Bear Lake; getting a quote early keeps the budget honest.
Using it on a phone
The parcel map usually runs in a mobile browser, useful out on a road near Grant, but coverage can be spotty out of town. A screenshot of the parcel near White Bear Lake with its ID keeps working without signal.
Parcel lines plus flood zones
FEMA's map shows zones but not ownership, so open the Washington County ArcGIS parcel map next to see exactly which lot near Dellwood you're looking at.
Beyond the mapped zones
Creeks and ditches near Pine Springs aren't always studied in detail, so look for water marks and debris lines. Wet ground around Willernie is a separate issue from flood zones; check the National Wetlands Inventory mapper for a first look.
What a flood zone means for a buyer
For a tract near Dellwood, ask for an Elevation Certificate: it records the building's elevation against the base flood. New construction in a floodplain near Grant usually means extra permit review; ask the local floodplain administrator before you plan.
Mahtomedi: common questions
Is there a flood layer on the parcel viewer near White Bear Lake?
For most people, a flood layer may appear in the Washington County ArcGIS parcel map layer list, but FEMA's own map is the official source.
When is flood insurance required near Willernie?
In most cases, for a building near White Bear Lake in an A or V zone with a federally backed or regulated mortgage, it's generally required, in communities that take part in the NFIP.
Can I challenge a flood zone near White Bear Lake?
FEMA's LOMA process is the usual route when a building near Dellwood sits above the base flood elevation; a surveyor's elevation data supports it.
Is Zone X safe from flooding for land near Grant?
For most people, Zone X near Willernie means moderate (shaded) or minimal (unshaded) mapped risk, and floods still happen outside high-risk zones.
How do I save a parcel from the viewer near Willernie?
Use the print button or a screenshot; include the record panel for the lot near White Bear Lake.
Open the official Washington County, MN 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.