Blog · October 14, 2026 · Texas
Brewster County Flood Zone Map, Texas: a practical guide
The zone on FEMA's map affects insurance, building and resale near Rio Grande Wild and Scenic River.
Main page: Brewster County, TX GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Before you buy or build near Big Bend National Park, look at the Brewster County flood zone map: FEMA's zone label affects insurance, permits and resale. What this Brewster County guide covers: finding the address on FEMA's map, decoding A, AE and X, and pairing it with the Brewster CAD interactive map.
Getting started with the Brewster County flood zone map
For a home near Terlingua, the official source is FEMA's Flood Map Service Center: enter the street address, and choose the dynamic map. Vacant ground around Study Butte is still easy to locate: zoom in from the nearest road then click the parcel area.
Opening the official parcel viewer
Go first to the Brewster CAD interactive map; it maps each assessed parcel around Study Butte and Marathon. Around Rio Grande Wild and Scenic River, enter a street address, an owner's name or a parcel number, and the viewer zooms to the match. If you're looking near Altuda, copy the parcel ID from that panel; each records desk in the county asks for it first.
What the zone letters mean
An AE label comes with a base flood elevation, which plain A zones lack; that elevation drives building rules near Rio Grande Wild and Scenic River. For land near Big Bend National Park, a shaded X area is moderate risk, between the 1% and 0.2% annual chance floods; unshaded X is minimal risk.
Land on the county line
Brewster County touches Jeff Davis County, Pecos County, Presidio County, and Terrell County, and each of those keeps its own parcel map. Ground near Big Bend National Park that runs to the line can show up in two county records, so open the adjacent map too. On ground around Marathon, our state page lists every neighboring county map for Texas.
Questions to ask before you buy
If the land is near Alpine, ask the seller for any Elevation Certificate before closing; getting a quote early keeps the budget honest.
Legal descriptions in Texas
Older tracts around Arick Village commonly use metes-and-bounds descriptions, a series of courses and distances from a starting point. Town lots near Terlingua usually use lot and block from a recorded plat instead, which is simpler to follow. Copy the legal description from the record for the parcel near Terlingua for any title or survey request.
Water near Terlingua
Low-lying fields near Terlingua may not have detailed mapping, so look for water marks and debris lines. Marshy spots near Rio Grande Wild and Scenic River can limit building too; the National Wetlands Inventory mapper shows mapped wetlands.
What the map can't tell you
For a home near Altuda, the acreage figure is an assessed number; just a licensed surveyor can set the real lines on the ground. Out toward Arick Village, owner names and values update on a schedule, so a deed recorded last month might lag behind.
Matching the zone to the lot lines
FEMA doesn't draw property lines, so pair it with the Brewster CAD interactive map to see exactly which lot near Study Butte you're looking at.
What a flood zone means for a buyer
For acreage around Arick Village, get the Elevation Certificate if one exists: it can change the insurance price a lot. Building or adding on near Arick Village in a mapped zone often needs a floodplain permit; ask the local floodplain administrator before you plan.
Using it on a phone
Most viewers work in a phone browser, handy when you're parked on a road near Altuda, though signal can drop in rural spots. A screenshot of the parcel near Study Butte with its ID helps when you meet an owner or agent.
A quick look at the area
Alpine is the county seat, which is where the courthouse records live. You'll also find Marathon, Study Butte, Terlingua, and Altuda, each with its own cluster of lots. Roughly 9,513 people live in Brewster County (Census estimate, 2023) across roughly 6,184 square miles. Brewster County was organized in 1887, so old deeds can run back a long way. Features like Rio Grande Wild and Scenic River and Big Bend National Park help you orient on the aerial.
Frequently asked
What is a base flood elevation around Marathon?
For a home near Altuda, the BFE is printed in AE zones on FEMA's map; local rules may require building above it.
What is a LOMA around Altuda?
With a lot near Altuda, a Letter of Map Amendment (LOMA) from FEMA can remove a structure on naturally high ground, and lenders accept the result.
Can I see flood zones on the Brewster CAD interactive map around Altuda?
For a home near Arick Village, a flood layer may appear in the Brewster CAD interactive map layer list, but FEMA's own map is the official source.
Where can I see the Brewster County flood zone map for free?
It depends, but look up the spot near Alpine in FEMA's National Flood Hazard Layer viewer; no account is needed.
Who keeps deeds for property in Brewster County?
For land near Arick Village, the appraisal district handles values and the tax roll, and the County Clerk keeps deeds, while zoning questions go to planning
Open the official Brewster 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.