Blog · October 14, 2026 · Alaska
Using the Wasilla Flood Zone Map
The zone on FEMA's map affects insurance, building and resale near Houston.
Main page: Matanuska-Susitna Borough, AK GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Weighing a property around Palmer? Checking the Wasilla flood zone map reveals whether it sits in a FEMA flood zone, and it costs nothing to check. This Wasilla guide covers: finding the address on FEMA's map, decoding A, AE and X, and pairing it with the Alaska Statewide Parcels layer in ArcGIS Map Viewer.
Checking the Wasilla flood zone map step by step
Start with FEMA's Flood Map Service Center: search an address around Houston, then open the map view for that panel. Vacant ground around Houston can still be found: zoom in from the nearest road and click the spot.
The free map to start with
Begin with the Alaska Statewide Parcels layer in ArcGIS Map Viewer; it covers each tax parcel from Palmer to Houston. For a tract near Houston, type a street address, an owner's name or a parcel number, and the matching parcel lights up. Save the parcel ID from that panel; every office in the borough asks for it first.
Offices that can help
Questions about value or the owner field for land near Houston are handled by the borough assessor, since that office keeps the assessment data. Questions about what you can build around Houston go to planning, building or health offices, town or borough, depending on location.
Wasilla and the county around it
Wasilla lies within Matanuska-Susitna Borough, Alaska, which means parcel data comes from the county. If you're looking near Palmer, city or town hall handles things like zoning, permits and utilities for lots inside the boundary, and the county still keeps the parcel and deed records. Lots just outside the town limits near Palmer usually falls under county rules rather than the town's.
Decoding the flood zone labels
Zone AE carries a published BFE, and an unnumbered A zone has none; surveyors near Houston use that number. In and around Palmer, a shaded X area is moderate risk, roughly the 100- to 500-year range; unshaded X means minimal mapped risk.
Lining it up with the parcel map
FEMA doesn't draw property lines, so open the Alaska Statewide Parcels layer in ArcGIS Map Viewer next for the outline of the tract near Houston.
Field tips
Most viewers work in a phone browser, which helps when you're standing on land near Houston, but coverage can be spotty out of town. A saved image of the lot near Houston and its lines helps when you meet an owner or agent.
Low spots and local drainage
Creeks and ditches near Houston may not have detailed mapping, so look for water marks and debris lines. Wet ground around Palmer is a separate issue from flood zones; check the National Wetlands Inventory mapper for a first look.
Reading the legal description
Alaska follows the Public Land Survey System, so deeds around Palmer reference sections and townships. A standard section is about one square mile, roughly 640 acres, and a township holds 36 of them, though real sections near Houston vary in size. Copy the legal description from the record for the parcel near Houston when you talk to a surveyor.
What to request from a seller
Ask the listing agent for any Elevation Certificate for the house near Houston; an insurance quote early avoids surprises.
Limits of the parcel data
Tax maps are drawn for assessment, not measured on the ground, so the edge of a yard near Houston can sit some distance off the line on screen. If the land is near Houston, owner names and values update on a schedule, so a deed recorded last month may not show yet.
Lenders and permits
If the land is near Palmer, ask for an Elevation Certificate: it compares the building to the BFE. Building or adding on near Houston in a mapped zone often needs a floodplain permit; check with the borough or town building office before you plan.
When a parcel crosses a boundary
Matanuska-Susitna Borough borders Anchorage Municipality, Bethel Census Area, Denali Borough, Kenai Peninsula Borough, and Southeast Fairbanks Census Area; every one of them runs a separate parcel map. Acreage along the edge near Palmer may be split in two borough records, so look at the adjacent map too. The Platbookmapper state page lists each neighboring borough map for Alaska.
Questions about the Wasilla flood zone map
Does the county parcel map show flood zones for land near Houston?
It depends, but a flood layer may appear in the Alaska Statewide Parcels layer in ArcGIS Map Viewer layer list; confirm a lot near Palmer on FEMA's map either way.
How often are flood maps updated for land near Houston?
It depends, but zones near Palmer can shift when FEMA updates a panel; your community is notified before changes take effect.
What is a base flood elevation in Wasilla?
A BFE near Houston tells builders how high the lowest floor should be; local rules may require building above it.
Will my lender require flood insurance near Houston?
Good question; lenders generally require it for buildings near Houston in a Special Flood Hazard Area when the loan is federally regulated or insured; elsewhere it's optional.
How do I save a parcel from the viewer in Wasilla?
Most viewers have a print or export tool; include the record panel for the lot near Houston.
Open the official Matanuska-Susitna Borough, AK 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.