Blog · October 14, 2026 · Alaska
Matanuska-Susitna Borough Flood Zone Map, Alaska
FEMA's free flood maps and the Matanuska-Susitna Borough parcel viewer, used together for property near Wasilla.
Main page: Matanuska-Susitna Borough, AK GIS & Parcel Viewer (official map link, Matanuska-Susitna Borough facts and neighboring maps).
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Before you buy a house in Wasilla, add on to a barn near Palmer, or price a lot along the creek bottoms near Chickaloon, check the Matanuska-Susitna Borough flood zone map. You can check it yourself for any Wasilla address in a few minutes.
We'll cover finding a Matanuska-Susitna Borough address on FEMA's map, what Zone A, AE and X mean, how the borough viewer fits in, and what to do if the map looks wrong.
Look up the Matanuska-Susitna Borough flood zone map step by step
The authoritative source for a Matanuska-Susitna Borough flood zone map is FEMA, so begin at the FEMA Flood Map Service Center. The site returns the effective Flood Insurance Rate Map (FIRM) panel covering that Wasilla location, which you can view or download. For an irregular lot near Houston, try FEMA's National Flood Hazard Layer viewer; zoom to the tract near Houston and click. Then open the Alaska Statewide Parcels layer in ArcGIS Map Viewer for Matanuska-Susitna Borough to confirm the parcel near Wasilla. If the Matanuska-Susitna Borough viewer has a floodplain layer, treat it as a convenience copy and confirm on FEMA's map.
Search Matanuska-Susitna Borough parcels by owner, address or ID
Matanuska-Susitna Borough parcels are viewed through a statewide map, the Alaska Statewide Parcels layer in ArcGIS Map Viewer; zoom toward Palmer to reach them. Use the search box for an address in Palmer or a parcel number, or simply zoom in and click a tract near Wasilla. If the official address for the Matanuska-Susitna Borough, AK map ever changes, our directory page carries the current link for Palmer and the rest of the borough.
High, moderate and minimal risk in Matanuska-Susitna Borough
On the FIRM covering Matanuska-Susitna Borough, zones that start with A or V are Special Flood Hazard Areas, meaning FEMA estimates a 1-percent annual chance of flooding. Zone AE near Houston means FEMA published a base flood elevation; plain Zone A means no detailed elevation was studied. Shaded Zone X around Wasilla sits in the moderate band between the 100-year and 500-year floods. Unshaded Zone X near Houston is minimal risk.
Low ground and small streams around Wasilla
Small streams and ditches near Wasilla may not be studied in detail, which is why it's worth walking the ground after a heavy rain.
Questions to ask before buying in Matanuska-Susitna Borough
Request any past flood claims history for a Matanuska-Susitna Borough property before closing; it tells you more than the map alone. Then call an insurance agent who writes policies around Wasilla and get a quote using the zone and the borough parcel address.
Map dates and floodways in Matanuska-Susitna Borough
The FIRM panel for Matanuska-Susitna Borough carries an effective date; if it's old, ask the borough floodplain office if new maps for land near Houston are in progress. Floodways, shown as hatched areas on some panels, are the channel and nearby land that must stay open, and building there near Wasilla faces the strictest rules.
Flood insurance and building rules in Matanuska-Susitna Borough
Insurance is the practical stake for a Matanuska-Susitna Borough buyer. If a house near Houston is mapped in a high-risk zone and secures a loan from a federally regulated or insured lender, a flood policy becomes a loan condition under the Flood Disaster Protection Act, wherever the community joins the NFIP. In Zone X near Wasilla, insurance is a choice, not a mandate, though a lender in Alaska can still ask for it. Where a structure near Wasilla looks higher than the shading suggests, the titleholder can ask FEMA for a Letter of Map Amendment (LOMA); a surveyor near Houston can supply the elevation data. Adding on to a house near Houston inside the zone typically needs a floodplain permit, so call the borough or the town office in Wasilla before work starts.
Matanuska-Susitna Borough flood zones questions
Can a flood zone in Matanuska-Susitna Borough be changed?
An owner near Palmer can request a Letter of Map Amendment from FEMA with elevation data, typically from a licensed land surveyor.
Who prepares an elevation certificate for a house in Houston?
Hire a licensed land surveyor or engineer who works in Matanuska-Susitna Borough; ask the local floodplain office first in case one exists.
Can I see flood zones on the Matanuska-Susitna Borough GIS map?
Check the layer list in the Alaska Statewide Parcels layer in ArcGIS Map Viewer; if Matanuska-Susitna Borough includes a floodplain layer, confirm the zone on FEMA's map anyway.
Does a 100-year floodplain near Palmer flood only once a century?
Not at all; a Matanuska-Susitna Borough tract in that zone carries a 1-in-100 chance in any single year, not a once-a-century schedule.
What does BFE mean on the flood map for Houston?
Near Palmer, it's the projected water surface in the base flood, and it's printed in AE zones.
Do I need flood insurance in Zone X in Matanuska-Susitna Borough?
For a Zone X house near Palmer, federal rules do not require flood insurance; buying it is still a choice worth pricing.
Open the official Matanuska-Susitna Borough, AK parcel map Matanuska-Susitna Borough 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.