Blog · October 14, 2026 · Texas
McMullen County Plat Book, Texas: what to know
For property near Calliham, plat books show ownership by township; the parcel viewer shows it today.
Main page: McMullen County, TX GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Want a copy of the McMullen County plat book? It's a printed atlas of landownership, usually by township, and it's handy for land around Calliham. Covered here for McMullen County: how the atlas is organized, where to look for printed copies, and the free online map that stays current.
Getting started with the McMullen County plat book
Out toward Calliham, a plat book is a privately published atlas, with owner names on each tract, often organized by township.
The free map to start with
Property in and around Tilden are published on the appraisal district interactive map, free to use and open without a login. When a rural tract has no street number, pan along the nearest road and click the parcel itself, whether the land is near Calliham or elsewhere in the county. With a lot near Calliham, a pop-up or side panel usually lists the owner of record, assessed acreage, the parcel number and sometimes recent sales.
Next door to this county, especially near Calliham.
McMullen County touches Atascosa County, Duval County, La Salle County, Live Oak County, and Webb County, and each of those keeps its own parcel map. Acreage along the edge near Tilden can be split in two county records, so look at the neighboring map as well. On ground around Calliham, our state page links every neighboring county map for Texas.
McMullen County in a few facts
Tilden serves as the county seat, home to the main records offices. About 568 people live in McMullen County (Census estimate, 2023) on about 1,140 square miles. The county was formed in 1877, which matters when you trace an old farm's title for land near Tilden.
Why people still buy them
Buyers and seed dealers around Calliham rely on them to see ownership across many tracts at once.
Reading the legal description
Rural deeds near Calliham commonly use metes-and-bounds descriptions, a series of courses and distances from a starting point. Platted lots around Calliham usually use lot and block from a recorded plat instead, making them easier to find. Write down the legal description for the tract near Tilden before you request a deed or survey.
The paper trail behind a parcel
For acreage around Tilden, the map is an index, not the title: deeds, plats and easements for parcels in the county sit with the County Clerk. If the land is near Tilden, older tracts in the county can go back through many deeds, and a title company earns its fee if money is changing hands.
Buying or borrowing a copy
Not every county has a current edition, check with local offices and farm stores near Tilden.
Getting answers from the right desk
If the acreage or value on a parcel near Calliham looks off are handled by the appraisal district, the office behind the parcel record. Questions about what you can build around Tilden need the planning or permitting office, depending on whether the land is inside town limits.
Before you lean on the lines
If the land is near Tilden, the acreage figure is an assessed number; just a licensed surveyor can set the real boundary on the ground. On ground around Tilden, owner names and values update on a schedule, so a deed recorded last month might lag behind.
Current ownership online
For current names, use the appraisal district interactive map, across the county, which applies near Calliham as much as anywhere.
Atlas or legal document
For property near Tilden, a plat book is not a recorded plat: the recorded plat at the County Clerk is a legal document, while the atlas is a reference.
A homemade atlas
Print parcel views near Tilden township by township to build your own up-to-date atlas.
Using it on a phone
The parcel map usually runs in a mobile browser, handy when you're parked on a road near Calliham, though signal can drop in rural spots. A printout of the tract near Calliham helps when you meet an owner or agent.
McMullen County: common questions
Is there a current McMullen County plat book?
For property near Calliham, editions come and go; ask local offices.
Are old plat books online near Tilden?
With a lot near Tilden, libraries and historical societies hold older editions; call ahead.
Is a plat book the same as a recorded plat in McMullen County?
With a lot near Calliham, a survey sets boundaries, not an atlas; use a surveyor for lines.
Why does the plat book differ from the deed around Tilden?
Out toward Tilden, plat book acreage and lines are approximate; they're good for orientation.
Is the parcel map a survey for land near Calliham?
Out toward Tilden, parcel lines are tax drawings, not surveys; a survey sets the real corners
Open the official McMullen 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.