Blog · September 27, 2026
What Is a Tax Map Sheet
A tax map sheet is one page of the assessor's map book, showing many parcels at once.
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The sheet number helps the office find the drawing. It is not, by itself, your legal description. Your parcel is one polygon on that sheet.
On the recorded sheet
Older tax maps were hand drafted and can be the only picture of unplatted land. They remain assessment maps.
The mix-up to avoid
Citing the sheet in a deed is weaker than citing a recorded plat or a full metes-and-bounds call.
Find the county map
Start at Platbookmapper, search the county, and open the local GIS link. Write down the parcel number before you compare the screen to a paper plat.
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.