Blog · October 14, 2026 · Texas
Using the Duval County Flood Zone Map
Flood zones are set by FEMA, and checking one near San Diego takes a few minutes.
Main page: Duval County, TX GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Weighing a property around Benavides? A quick look at the Duval County flood zone map shows whether FEMA puts it in a high-risk zone, and no account is needed. In this Duval County guide: finding the address on FEMA's map, decoding A, AE and X, and pairing it with the Duval CAD interactive map.
Where the Duval County flood zone map lives
For parcel-by-parcel detail, use the National Flood Hazard Layer viewer, which draws the zones over aerial imagery, for land near Concepcion included. Vacant ground around Benavides can still be found: search the nearest road and click inside the land.
The viewer Duval County publishes
Begin with the Duval CAD interactive map; it covers every tax parcel from Sejita to Rios. Without an address in hand, pan along the nearest road and click the parcel itself, whether the land is near Ramirez or elsewhere in the county. If you're looking near Benavides, copy the parcel ID from that panel; every office in the county asks for it first.
Reading A, AE and X
In and around Concepcion, any A or V zone are Special Flood Hazard Areas, meaning a 1% or greater chance of flooding each year. On ground around Freer, a shaded X area is moderate risk, between the 1% and 0.2% annual chance floods; unshaded X is minimal risk.
Beyond the mapped zones
Creeks and ditches near Concepcion may not have detailed mapping, so look for water marks and debris lines. Wet ground around Realitos is a separate issue from flood zones; check the National Wetlands Inventory mapper for a first look.
On site with the map
The parcel map usually runs in a mobile browser, useful out on a road near San Diego, so load it before you lose signal. A saved image of the lot near Freer and its lines is a good backup.
Getting answers from the right desk
Questions about value or the owner field for land near Rios belong with the appraisal district, which maintains the tax roll. Questions about what you can build around Rios are for the local planning and health departments, and the answer depends on jurisdiction.
Before you lean on the lines
In and around Ramirez, acreage on the record is an estimate; just a licensed surveyor sets the real corners on the ground. For property near Ramirez, owner names and values update on a schedule, so a deed recorded last month might lag behind.
A short flood checklist
Closer to San Diego, request for any Elevation Certificate before closing; an insurance quote early avoids surprises.
Places you'll see on the map
San Diego is the county seat, where most land records are kept. You'll also find Benavides, Freer, Concepcion, and Realitos, each with its own cluster of lots. Roughly 9,604 people live in Duval County (Census Bureau estimate, 2023) spread over about 1,793 square miles. Duval County dates to 1876, so old deeds can run back a long way.
Where the recorded documents are
When the details count, get the recorded deed from the County Clerk; the parcel line is a drawing of it, which applies near San Diego as much as anywhere. Inherited tracts near San Diego can trace back through a long string of deeds, and a title company is worth hiring before a purchase.
Lining it up with the parcel map
FEMA doesn't draw property lines, so check the Duval CAD interactive map too to confirm you have the right parcel near Benavides.
Insurance, lenders and building
Closer to Realitos, ask for an Elevation Certificate: it compares the building to the BFE. Remodeling a house in a zone near Freer usually means extra permit review; ask the local floodplain administrator early.
Reading the legal description
Rural deeds near Concepcion are often described by metes and bounds, which trace the boundary call by call. Subdivision lots in San Diego are typically described by lot and block, which is simpler to follow. Keep the legal description for land near San Diego for any title or survey request.
Land on the county line
Duval County meets Brooks County, Jim Hogg County, Jim Wells County, La Salle County, and Live Oak County, all with their own assessor records. A tract near the line by Freer may be split across two assessors' files, so look at the adjacent map as well. Out toward Rios, the Platbookmapper state page lists every bordering county map for Texas.
Duval County: common questions
Can I see flood zones on the Duval CAD interactive map near Sejita?
On ground around Realitos, a flood layer may appear in the Duval CAD interactive map layer list, but FEMA's own map is the official source.
Why does the BFE matter near Rios?
Good question; a BFE near Ramirez tells builders how high the lowest floor should be; local rules may require building above it.
What is the difference between Zone A and AE around Ramirez?
In most cases, AE is a Special Flood Hazard Area with a published base flood elevation, so builders near Freer design to that elevation.
Is Zone X safe from flooding around Ramirez?
X zones around Concepcion are lower risk, not no risk, and floods still happen outside high-risk zones.
How is land described in Texas deeds near San Diego?
If you're looking near San Diego, deeds use lot and block, metes and bounds or survey descriptions, and the parcel record often summarizes it.
Open the official Duval 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.