Blog · October 14, 2026 · Texas
Reading the Dalhart Plat Map for a lot
A recorded plat shows how land near Texline was divided into lots.
Main page: Dallam County, TX GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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When a listing near Coldwater mentions a lot number, the Dalhart plat map is where those numbers come from. Covered here for Dalhart: where plats are filed, plat versus tax map, and what to look for on the sheet.
Tracking down the Dalhart plat map
For a subdivision near Coldwater, the deed usually cites the plat; use it to request a copy.
Where the parcel data lives
Property in and around Coldwater appear on the Dallam CAD interactive map, which opens without registering. Around Texline, put in a street address, an owner's name or a parcel number, and the matching parcel lights up. For a tract near Coldwater, the record panel typically gives the owner of record, acreage on the tax roll, a parcel ID and often a sale date.
Where the recorded documents are
The map is an index, not the title: recorded deeds, subdivision plats and easements covering ground around Texline are filed with the County Clerk. If the land is near Coldwater, use the document number from the tax record to skip a name search.
Which office to call
For assessment questions about property around Coldwater go to the appraisal district, since that office keeps the assessment data. Building or septic questions for a lot near Texline are for the local planning and health departments, and the answer depends on jurisdiction.
Land on the county line
Dallam County meets Union County, NM, Cimarron County, OK, Hartley County, Moore County, and Sherman County, and each of those keeps its own parcel map. Ground near Texline that runs to the line can be split in two county records, so check the neighboring map as well. For acreage around Coldwater, our state page lists each bordering county map across Texas.
Where Dalhart fits in
Dalhart sits in Dallam County, Texas, so its parcels are on the county's map. Dalhart is also the county seat, which puts the County Clerk close by. Local government in Dalhart handles things like zoning, permits and utilities inside its limits, but the county runs assessment and recording. Lots just outside the city limits toward Coldwater usually falls under county rules rather than the town's.
Legal descriptions in Texas
Older tracts around Coldwater commonly use metes-and-bounds descriptions, listing bearings, distances and landmarks. Town lots near Coldwater are typically described by lot and block, making them easier to find. Write down the legal description for the tract near Texline before you request a deed or survey.
What the map can't tell you
The acreage figure is an assessed number; just a licensed surveyor establishes the real boundary on land around Coldwater. With a lot near Texline, owner names and values update on a schedule, so a deed recorded last month might lag behind.
Land outside a subdivision
Rural land near Texline that was never subdivided may have no plat at all; look for a recorded survey for land near Coldwater.
How a plat differs from the tax map
The tax map on the Dallam CAD interactive map is a summary, while the recorded plat is the legal document.
Places you'll see on the map
Dalhart serves as the county seat, which is where the courthouse records live. You'll also find Texline and Coldwater, where town lots give way to larger tracts. About 7,237 people call Dallam County home (Census Bureau estimate, 2023) across some 1,503 square miles. Dallam County dates to 1891, and some chains of title near Texline are long. Features like Rita Blanca National Grassland make handy reference points on the map near Coldwater.
When a plat changes
An amended plat may change lots around Texline, so check for later filings; street vacations near Coldwater show up in the records too.
What a plat shows
If you're looking near Texline, the sheet usually includes lot and block numbers, dimensions and bearings, street rights-of-way and easements.
Requesting the plat
For property near Texline, some counties put plat images online, otherwise call or visit with the reference; small fees are common.
Field tips
The parcel map usually runs in a mobile browser, which helps when you're standing on land near Texline, but coverage can be spotty out of town. A saved image of the lot near Texline and its lines keeps working without signal.
Quick answers
Who has recorded plats for land near Texline?
In most cases, recorded plats near Texline are filed with the County Clerk; use the plat reference from the deed or parcel record.
What is a lot and block description around Coldwater?
Usually, it points to a spot on the plat for that subdivision near Texline.
Where are historic plats for Dalhart?
On ground around Texline, it varies; some offices have scanned older plats and some haven't, including older subdivisions.
Is a plat map a survey for land near Coldwater?
If the land is near Coldwater, a recorded plat is based on a survey, but the GIS map is not; a surveyor ties it to the ground.
Can I use the viewer in the field near Texline?
For property near Texline, most viewers run in a mobile browser; screenshots help offline.
Open the official Dallam 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.