Blog · October 14, 2026 · Texas
Using the Del Rio Flood Zone Map
The zone on FEMA's map affects insurance, building and resale near Box Canyon.
Main page: Val Verde County, TX GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Weighing a property around Box Canyon? A quick look at the Del Rio flood zone map shows whether it sits in a FEMA flood zone, and no account is needed. In this Del Rio guide: the free FEMA tools, what each zone label means, lender insurance rules and what a LOMA is.
The Del Rio flood zone map: start here
Flood zones come from FEMA's Flood Map Service Center: enter the street address, and pick the FIRMette or map view. A tract near Box Canyon without an address is still easy to locate: zoom in from the nearest road then click the parcel area.
Pulling up a parcel
Parcels around Amistad are published on the Texas county CAD map, a viewer that needs no account. If you only know roughly where the land is, pan along the nearest road and click the parcel itself, and that holds around Box Canyon too. Out toward Box Canyon, write down the parcel ID while you have it open; each records desk in the county uses it to find the file.
Where Del Rio fits in
Del Rio sits in Val Verde County, Texas, so its parcels are on the county's map. Del Rio is also the county seat, handy when you need recorded documents. For acreage around Amistad, the municipality handles matters such as zoning, permits and utilities inside its limits, and the county still keeps the parcel and deed records. Lots just outside the city limits near Amistad usually follows county rules instead.
What the zone letters mean
An AE label carries a published BFE, which plain A zones lack; surveyors near Box Canyon use that number. Near Box Canyon, shaded Zone X marks moderate flood hazard, between the 1% and 0.2% annual chance floods; unshaded X means minimal mapped risk.
Beyond the mapped zones
Small streams around Box Canyon aren't always studied in detail, so ask neighbors about past flooding. Marshy spots near Box Canyon can limit building too; the National Wetlands Inventory mapper shows mapped wetlands.
A word on accuracy
The acreage figure is an estimate; only a licensed surveyor establishes the real corners for a parcel near Box Canyon. In and around Box Canyon, records update in batches, so a deed recorded last month might lag behind.
What to request from a seller
Ask the listing agent for any Elevation Certificate on the property near Amistad; getting a quote early keeps the budget honest.
On site with the map
Most viewers work in a phone browser, handy when you're parked on a road near Amistad, though signal can drop in rural spots. A saved image of the lot near Box Canyon and its lines keeps working without signal.
Use the county map alongside FEMA
FEMA doesn't draw property lines, so pair it with the Texas county CAD map to confirm you have the right parcel near Amistad.
Next door to Val Verde County
Val Verde County meets Crockett County, Edwards County, Kinney County, Sutton County, and Terrell County; every one of them runs a separate parcel map. Ground near Box Canyon that runs to the line can show up across two assessors' files, so look at the adjacent map before you assume the acreage. For a home near Amistad, our state page lists every neighboring county map across Texas.
How land is described here
Tracts outside towns near Box Canyon commonly use metes-and-bounds descriptions, a series of courses and distances from a starting point. Subdivision lots in Amistad refer to a recorded plat, which is simpler to follow. Write down the legal description for the tract near Amistad for any title or survey request.
Val Verde County in a few facts
Del Rio serves as the county seat, where most land records are kept. Smaller places on the map include Amistad and Box Canyon. Around 47,720 people call Val Verde County home (Census estimate, 2023) on some 3,145 square miles. Val Verde County was organized in 1885, so old deeds can run back a long way. Places such as Rio Grande Wild and Scenic River and Amistad National Recreation Area help you orient on the aerial around Amistad.
Insurance, lenders and building
For land near Box Canyon, ask for an Elevation Certificate: it compares the building to the BFE. Remodeling a house in a zone near Amistad often needs a floodplain permit; call the permitting office early.
Del Rio: common questions
Do I need to worry about flooding in Zone X around Box Canyon?
It depends, but Zone X near Box Canyon means moderate (shaded) or minimal (unshaded) mapped risk; FEMA notes that a large share of claims come from these areas.
What is a LOMA in Del Rio?
FEMA's LOMA process is the usual route when a building near Box Canyon sits above the base flood elevation; it starts with an elevation survey.
Why did my flood zone near Box Canyon change?
Zones near Box Canyon can shift when FEMA updates a panel; check the effective date on the panel.
Is AE a high-risk flood zone in Del Rio?
AE is a Special Flood Hazard Area with a published base flood elevation, which shapes building rules near Box Canyon.
How do I save a parcel from the viewer in Del Rio?
Most viewers have a print or export tool, and it's worth keeping the parcel ID visible for land near Amistad.
Open the official Val Verde 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.