Blog · October 14, 2026 · Mississippi
Reading the McComb Flood Zone Map for a parcel
The zone on FEMA's map affects insurance, building and resale near Summit.
Main page: Pike County, MS GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Weighing a property around Summit? A quick look at the McComb flood zone map shows whether the lot falls inside a mapped floodplain, and no account is needed. In this McComb guide: the free FEMA tools, what each zone label means, lender insurance rules and how to challenge a map that looks wrong.
Checking the McComb flood zone map step by step
Flood zones come from FEMA's Flood Map Service Center: search an address around Magnolia, then open the map view for that panel. A tract near Osyka without an address is still easy to locate: search the nearest road and click inside the land.
The viewer Pike County publishes
Begin with the MARIS Mississippi Statewide Parcels map viewer; it includes every tax parcel from Magnolia to Summit. In and around Summit, put in a street address, an owner's name or a parcel number, and the viewer zooms to the match. For a tract near Summit, a pop-up or side panel typically gives the owner of record, assessed acreage, the parcel number and often a sale date.
McComb and the county around it
McComb sits in Pike County, Mississippi, and the county assessor maps its lots. Closer to Magnolia, the municipality handles things like zoning, permits and utilities for lots inside the boundary, while the county keeps the tax map. Land beyond the city limits near Osyka usually answers to county rules instead.
Legal descriptions in Mississippi
Mississippi is laid out under the Public Land Survey System, which means a tract near Osyka is described by section, township and range. Each section is nominally a mile square, about 640 acres, and a township holds 36 of them, though real sections near Osyka vary in size. Write down the legal description for the tract near Summit for any title or survey request.
A short flood checklist
Request about past flood claims for the house near Osyka; getting a quote early avoids surprises.
Land on the county line
Pike County meets Tangipahoa Parish, LA, Washington Parish, LA, Amite County, Lincoln County, and Walthall County, and each of those keeps its own parcel map. Ground near Magnolia that runs to the line can show up across two assessors' files, so look at the neighboring map too. For a home near Magnolia, our state page lists every bordering county map for Mississippi.
Decoding the flood zone labels
Zone AE carries a published BFE, while plain Zone A does not; builders around Summit design to it. On ground around Summit, minimal risk is not no risk: FEMA notes that many claims come from moderate- and low-risk areas.
Low spots and local drainage
Creeks and ditches near Osyka aren't always studied in detail, so ask neighbors about past flooding. Marshy spots near Osyka can limit building too; the National Wetlands Inventory mapper shows mapped wetlands.
Offices that can help
Deeds, mortgages and recorded plats for land near Magnolia come from the Chancery Clerk, often with an online index. Building or septic questions for a lot near Osyka go to planning, building or health offices, town or county, depending on location.
Lining it up with the parcel map
FEMA doesn't draw property lines, so open the MARIS Mississippi Statewide Parcels map viewer next to confirm you have the right parcel near Magnolia.
What the map can't tell you
Parcel lines are drawn for taxes, not surveyed, so a tree line near Osyka can sit a few yards off the line on screen. Owner names and values update on a schedule, so a recent sale near Osyka might lag behind.
Insurance, lenders and building
If a building sits in a Special Flood Hazard Area and a federally regulated lender is involved, flood insurance is generally required in communities in the NFIP, which applies near Osyka as much as anywhere. Building or adding on near Summit in a mapped zone can trigger elevation rules; call the permitting office before you plan.
Deeds, plats and who keeps them
The map is an index, not the title: recorded deeds, plats and easements covering ground around Magnolia are kept by the Chancery Clerk. Inherited tracts around Magnolia may sit on several deeds, and a title company can sort it out before a purchase.
Quick answers
What is a base flood elevation for land near Magnolia?
Good question; a BFE near Magnolia tells builders how high the lowest floor should be; surveyors near Summit use it often.
What is a LOMA in McComb?
It depends, but you can ask FEMA for a LOMA if surveyed elevations show the building near Magnolia is above the BFE; it starts with an elevation survey.
What does Zone AE mean near Summit?
Short answer: AE is a Special Flood Hazard Area with a published base flood elevation, so builders near Osyka design to that elevation.
Does the county parcel map show flood zones in McComb?
Short answer: a flood layer may appear in the MARIS Mississippi Statewide Parcels map viewer layer list; confirm a lot near Osyka on FEMA's map either way.
Where is the legal description for land near Summit?
For land near Summit, deeds use lot and block, metes and bounds or survey descriptions; copy it for any survey or title request.
Open the official Pike County, MS 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.