Blog · October 14, 2026 · Texas
Marion County Flood Zone Map, Texas: a practical guide
Flood zones are set by FEMA, and checking one near Jefferson takes a few minutes.
Main page: Marion County, TX GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Weighing a property around Jefferson? The Marion County flood zone map tells you whether the lot falls inside a mapped floodplain, and no account is needed. Covered here for Marion County: finding the address on FEMA's map, reading the zone codes, and pairing it with the appraisal district interactive map.
Getting started with the Marion County flood zone map
Out toward Warlock, flood zones come from FEMA's Flood Map Service Center: enter the street address, and pick the FIRMette or map view. A tract near Warlock without an address can still be found: zoom in from the nearest road and click inside the land.
Getting to the right map
Go first to the appraisal district interactive map; it includes each assessed parcel around Warlock and Pine Harbor. With a lot near Warlock, type a street address, an owner's name or a parcel number, and the viewer zooms to the match. If the land is near Pine Harbor, save the parcel ID before closing the panel; every office in the county asks for it first.
Reading the legal description
Rural deeds near Jefferson commonly use metes-and-bounds descriptions, which trace the boundary call by call. Platted lots around Pine Harbor are typically described by lot and block, which is simpler to follow. Copy the legal description from the record for the parcel near Jefferson when you talk to a surveyor.
Reading A, AE and X
For land near Pine Harbor, zones beginning with A or V mark the Special Flood Hazard Area, land with a 1-percent chance of flooding in any year. On ground around Jefferson, a shaded X area is moderate risk, between the 1% and 0.2% annual chance floods; plain X, or C on older maps, is minimal risk.
Water near Pine Harbor
Low-lying fields near Jefferson may not have detailed mapping, so ask neighbors about past flooding. Wetlands near Pine Harbor can limit building even outside a flood zone; check the National Wetlands Inventory mapper for a first look.
Use the county map alongside FEMA
FEMA doesn't draw property lines, so open the appraisal district interactive map next to see exactly which lot near Pine Harbor you're looking at.
Offices that can help
Questions about value or the owner field for land near Jefferson go to the appraisal district, since that office keeps the assessment data. Questions about what you can build around Pine Harbor are for the local planning and health departments, and the answer depends on jurisdiction.
A quick look at the area
Jefferson holds the county offices, where most land records are kept. You'll also find Pine Harbor and Warlock. Around 9,571 people call Marion County home (Census Bureau estimate, 2023) across about 381 square miles. Marion County was formed in 1860, so old deeds can run back a long way.
A short flood checklist
On ground around Warlock, ask the listing agent about past flood claims before closing; getting a quote early avoids surprises.
Next door to Marion County
Marion County meets Caddo Parish, LA, Cass County, Harrison County, Morris County, and Upshur County; every one of them runs a separate parcel map. Acreage along the edge near Jefferson can show up across two assessors' files, so look at the neighboring map before you assume the acreage. For property near Jefferson, our state page lists every neighboring county map for Texas.
Insurance, lenders and building
For property near Pine Harbor, an Elevation Certificate from a surveyor helps: it records the building's elevation against the base flood. Building or adding on near Jefferson in a mapped zone often needs a floodplain permit; call the permitting office before you plan.
Field tips
Most viewers work in a phone browser, useful out on a road near Warlock, but coverage can be spotty out of town. A saved image of the lot near Warlock and its lines keeps working without signal.
Recorded documents worth pulling
For a tract near Pine Harbor, the map is an index, not the title: recorded deeds, plats and easements for parcels in the county are kept by the County Clerk. If the land is near Pine Harbor, long-held tracts in the county may trace back through several deeds, so a title company earns its fee on a real sale.
Frequently asked
What is a base flood elevation near Jefferson?
Short answer: the base flood elevation is the water level expected in the 1% annual chance flood; surveyors near Pine Harbor use it often.
Why did my flood zone near Pine Harbor change?
For land near Pine Harbor, FEMA revises flood maps panel by panel as new studies finish, so look at the panel date.
Is AE a high-risk flood zone near Jefferson?
For acreage around Pine Harbor, an AE zone has a 1% annual chance of flooding and a base flood elevation; unnumbered A zones don't list one.
Is Zone X safe from flooding near Jefferson?
For a parcel near Pine Harbor, shaded X is moderate risk and unshaded X is minimal risk, and floods still happen outside high-risk zones.
Is there a way to export the map for land near Pine Harbor?
Most viewers have a print or export tool, and it's worth keeping the parcel ID visible for land near Warlock.
Open the official Marion County, TX 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.