Blog · September 28, 2026
GPS and Flagging for a Rough Walk
Flag what you find. Save a dot so you can return.
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Why this comes up
Flag what you find. Save a dot so you can return. Flagging marks a search. It does not mark a boundary until a surveyor says so.
What to check on the map first
County GIS lines are assessment maps. They are not a survey, and a product will not redraw them.
Open Platbookmapper and choose the state. The directory sends you to the county viewer. Match the parcel ID before you trust a pin on an aerial photo.
A tool that matches the job
Shop the Flagging tape when that is the job in front of you. Flagging marks a search. It does not mark a boundary until a surveyor says so.
The limit
A handheld GPS gets you back to the truck. It is often several meters off, so it cannot tell you where the legal line is.
Walk the parcel in daylight before you trust a gadget at dusk.
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.