Blog · October 14, 2026 · Louisiana
LaSalle Parish Flood Zone Map, Louisiana: a practical guide
The zone on FEMA's map affects insurance, building and resale near Catahoula National Wildlife Refuge.
Main page: LaSalle Parish, LA GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Ahead of any purchase around Olla, check the LaSalle Parish flood zone map: a mapped flood zone changes insurance, permits and resale. In this parish guide: locating a parcel on FEMA's map, decoding A, AE and X, and pairing it with the parish parcel viewer for land near Catahoula National Wildlife Refuge.
Checking the LaSalle Parish flood zone map step by step
The official source is FEMA's Flood Map Service Center: type an address near Jena, and choose the dynamic map. Vacant ground around Standard can still be found: pan from the closest town then click the parcel area.
The viewer LaSalle Parish publishes
Parcels around Midway are published on the LaSalle Parish parcel viewer, which opens without registering. Without an address in hand, pan along the nearest road and select the outline, which applies near Midway as much as anywhere. For a tract near Summerville, save the parcel ID from that panel; every office in the parish will want it.
Which office to call
Questions about value or the owner field for land near Good Pine belong with the Parish Assessor, the office behind the parcel record. Zoning, permits and septic questions near Olla go to planning, building or health offices, town or parish, depending on location.
Zones on the LaSalle Parish flood zone map
If you're looking near Catahoula National Wildlife Refuge, any A or V zone mark the Special Flood Hazard Area, which FEMA defines as a 1% annual chance of flooding. If you're looking near Summerville, a low-risk label isn't a guarantee: FEMA notes that floods happen outside mapped zones too.
Limits of the parcel data
Parcel lines are drawn for taxes, not measured on the ground, so the edge of a yard near Tullos can sit several feet off the line on screen. On ground around Urania, owner names and values update on a schedule, so a deed recorded last month might lag behind.
A short flood checklist
Request for any Elevation Certificate on the property near Tullos; an insurance quote early keeps the budget honest.
Neighboring parcel maps
The parish borders Avoyelles Parish, Caldwell Parish, Catahoula Parish, Grant Parish, and Rapides Parish; every one of them runs a separate parcel map, especially near Standard. Acreage along the edge near Standard can show up in two parish records, so open the adjacent map too. On ground around Good Pine, the Platbookmapper state page lists every neighboring parish map for Louisiana.
On site with the map
The parcel map usually runs in a mobile browser, useful out on a road near Urania, though signal can drop in rural spots. A printout of the tract near Midway keeps working without signal.
Low spots and local drainage
Creeks and ditches near Trout may not have detailed mapping, so walk the land after rain. Marshy spots near Midway can limit building too; the National Wetlands Inventory mapper shows mapped wetlands.
Parcel lines plus flood zones
FEMA doesn't draw property lines, so pair it with the LaSalle Parish parcel viewer to see exactly which lot near Catahoula National Wildlife Refuge you're looking at.
LaSalle Parish in a few facts
Jena serves as the county seat, which is where the courthouse records live. You'll also find Olla, Tullos, Urania, and Good Pine, each with its own cluster of lots. Roughly 14,800 people call LaSalle Parish home (Census estimate, 2023) across roughly 625 square miles. Features like Catahoula National Wildlife Refuge are easy to spot when you zoom out.
Where the recorded documents are
If the land is near Standard, the map is an index, not the title: deeds, plats and easements for parcels in the parish are filed with the Clerk of Court. For property near Jena, bring the document number shown in the record panel and the lookup takes minutes.
Money questions tied to the zone
In and around Good Pine, an Elevation Certificate from a surveyor helps: it can change the insurance price a lot. New construction in a floodplain near Standard can trigger elevation rules; check with the parish or town building office early.
How land is described here
Louisiana uses the Public Land Survey System, which means a tract near Standard is described by section, township and range. A standard section is about one square mile, roughly 640 acres, and a township holds 36 of them, though real sections near Catahoula National Wildlife Refuge vary in size. Write down the legal description for the tract near Good Pine when you talk to a surveyor.
Questions about the LaSalle Parish flood zone map
When is flood insurance required near Trout?
If the land is near Good Pine, it's typically required only for structures in high-risk zones with federally backed loans; elsewhere it's optional.
Where do I find the BFE for a lot near Catahoula National Wildlife Refuge?
Usually, the base flood elevation is the water level expected in the 1% annual chance flood; surveyors near Summerville use it often.
How often are flood maps updated near Summerville?
A new study can move a zone line near Catahoula National Wildlife Refuge, so look at the panel date.
Where can I see the parish flood zone map for free near Trout?
FEMA's free map shows the zone for any spot near Urania, which takes a couple of minutes.
Is there a way to export the map around Trout?
For a parcel near Midway, most viewers have a print or export tool; downloads of raw data vary by parish.
Open the official LaSalle Parish, LA 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.