Blog · October 14, 2026 · Texas
The Dallam County Plat Map: a Texas guide
The official Dallam County parcel viewer, what its records show, and how to use it for land near Dalhart.
Main page: Dallam County, TX GIS & Parcel Viewer (official map link, Dallam County facts and neighboring maps).
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Need the Dallam County plat map? It's free, it's official, and it covers every taxed parcel near Dalhart. Below is the link, a quick tour of the parcel record, and the limits to keep in mind near Kerrick.
How to use the Dallam County plat map
Select a lot in Coldwater and the record typically lists the parcel number, owner, acreage and a short legal description. Many Dallam County records also list sales history and assessed values, which help when you research land near Texline.
Opening the Dallam County parcel viewer
The county's own public map is the Dallam CAD interactive map, built on a BIS Consulting map viewer, and it opens without an account for parcels in Dalhart and the rest of the county. Rural accounts near Coldwater list an abstract in the legal description; copy it with the county property ID. If the official address for the Dallam County, TX map ever changes, our directory page carries the current link for Dalhart and the rest of the county.
Aerials, labels and layers
Switch the basemap to aerial over Texline to check what's actually on the ground, and remember photos and lines can be offset. Layer lists in the Dallam County viewer can add road names, water features and boundaries, so open the layer panel before you hunt elsewhere.
Practical uses near Texline
Hunters near Kerrick start here to check frontage, acreage and neighbors, then confirm details with county records. Keep a short list of Dallam County tracts with IDs and owners; they make deed requests painless.
Using the map on the go
On a phone near Dalhart, the map loads like any web page, although signal can drop in rural spots. When the viewer for Dalhart won't load, clear the cache or try another browser, as links sometimes change.
Work and land use in Dallam County
County Business Patterns counted 204 business establishments in Dallam County for 2022, led by retail trade, other services, and accommodation and food services. Agriculture and forestry support services and heavy and civil engineering construction make up an above-average share of Dallam County businesses, a clue to how land around Coldwater gets used.
The lay of the land around Dalhart
From Dalhart, the seat of the county, the map spreads out to Texline. Unincorporated communities in the county, including Coldwater, Conlen, and Kerrick, show up as small groups of parcels along the roads. Roughly 1,503 square miles of land and about 7,237 residents (2023 estimate) make up Dallam County. Beyond the town lots in Coldwater, expect big rural parcels across the county. With a founding date of 1891, Dallam County has long chains of title on some rural tracts.
Tracts that cross the Dallam County line
A farm near the county line can carry separate records in Union County, NM, Cimarron County, OK, and Hartley County as well. Every map bordering Dallam County is listed on our Texas directory.
Deeds and plats behind the Dallam County map
Deeds and plats behind the Dallam County map are kept by the county's recording office; the official Dallam County website names which office that is. Property values in Dallam County come from its appraisal district, a separate political subdivision with its own board that sets one value per property for every local taxing unit. A deed book and page or instrument number on the county record is the quickest route to request the document for a lot in Coldwater.
What the map can't settle
Acreage on a county record are tax-roll figures, not surveys, so a fence near Texline may not match. The owner field for land near Kerrick can lag recent sales, so check the deed index when timing matters.
Dallam County, TX: common questions
Where are deeds for Dallam County land kept?
Deeds for land near Texline are filed with the county's recording office; the office title varies by state.
Do I need an account for the Dallam County parcel map?
Viewing the Dallam CAD interactive map is free.
Why does the Dallam County map show the old owner?
The Dallam County roll lags the courthouse; a deed filed lately can take weeks to appear.
How do I locate a property on the Dallam County map?
Zoom to Dalhart then open the parcel record.
Does the Dallam County map show acreage?
Most Dallam County records list assessed acreage, but a boundary survey sets the true size.
Are lot lines on the Dallam County map accurate?
They're rough near Texline; check the deed and a boundary survey when it matters.
Open the official Dallam County, TX parcel map Dallam County 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.