Blog · October 14, 2026 · North Dakota
How to run a Slope County Land Owner Map
Owner names near Marmarth are public, and the official search is free.
Main page: Slope County, ND GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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For a parcel near Stewart Lake National Wildlife Refuge, the Slope County land owner map returns owner, value and acreage. Covered here for Slope County: where to search, what trusts, estates and LLCs mean, and the next step when you need proof.
Running a Slope County land owner map step by step
If a tract near Little Missouri National Grassland isn't addressed, pan to it and select the outline.
Getting to the right map
Begin with the Slope County parcel viewer; it covers each assessed parcel around White Lake National Wildlife Refuge and Little Missouri National Grassland. For a home near Little Missouri National Grassland, put in a street address, an owner's name or a parcel number, then pick the result to center the map on it. For a tract near Little Missouri National Grassland, a pop-up or side panel normally shows the owner of record, assessed acreage, a parcel ID and often a sale date.
Next door to Slope County
Slope County borders Fallon County, MT, Adams County, Billings County, Bowman County, and Golden Valley County, all with their own assessor records. Acreage along the edge near Marmarth may be split across two assessors' files, so look at the adjacent map too. For acreage around Marmarth, our state page lists each neighboring county map across North Dakota.
Values and taxes
The record for a parcel near Stewart Lake National Wildlife Refuge often lists value and tax amounts; the Director of Tax Equalization sets values and the treasurer or collector bills taxes.
Sections, lots and bearings
North Dakota is laid out under the Public Land Survey System, which means a tract near Amidon is described by section, township and range. Each section is nominally a mile square, about 640 acres, and a township holds 36 of them, though sections near Little Missouri National Grassland can be irregular. Keep the legal description for land near Little Missouri National Grassland before you request a deed or survey.
On site with the map
Most viewers work in a phone browser, handy when you're parked on a road near Marmarth, though signal can drop in rural spots. A screenshot of the parcel near Marmarth with its ID helps when you meet an owner or agent.
Context from nearby lots
Look at adjoining lots near White Lake National Wildlife Refuge for context on nearby owners and uses; that's handy for easements and access.
Deeds, plats and who keeps them
When the details count, request the recorded deed from the County Recorder; the viewer just points to it, whether the land is near Amidon or elsewhere in the county. If the land is near Marmarth, use the document number shown in the record panel to skip a name search.
Before you lean on the lines
For a parcel near White Lake National Wildlife Refuge, acreage on the record is a tax-roll number; just a licensed surveyor can set the real lines on the ground. Closer to White Lake National Wildlife Refuge, owner names and values update on a schedule, so a deed recorded last month might lag behind.
Reading the owner field
In and around Amidon, the record lists the owner of record, and that isn't always a person. "Estate of" on a record near Stewart Lake National Wildlife Refuge usually means title hasn't passed yet after a death, and the executor handles questions.
Proof of ownership
Use the book and page or instrument number from the record near White Lake National Wildlife Refuge so the lookup is fast; a title search is wise before any purchase.
Contacting an owner politely
A short letter to the mailing address on the record is the usual way to reach an owner for property around White Lake National Wildlife Refuge.
Getting answers from the right desk
Questions about value or the owner field for land near White Lake National Wildlife Refuge are handled by the Director of Tax Equalization, which maintains the tax roll. Questions about what you can build around Little Missouri National Grassland are for the local planning and health departments, depending on whether the land is inside town limits.
Getting your bearings
Amidon is the county seat, which is where the courthouse records live. Smaller places on the map include Marmarth, Little Missouri National Grassland, Stewart Lake National Wildlife Refuge, and White Lake National Wildlife Refuge, where town lots give way to larger tracts. About 674 people live in this county (Census estimate, 2023) on about 1,215 square miles for land near Amidon. Slope County was organized in 1914, which matters when you trace an old farm's title. Places such as Little Missouri National Grassland help you orient on the aerial.
Slope County: common questions
Is a Slope County land owner map free?
Generally, owner names near Little Missouri National Grassland are public record.
Can I search by owner name around Amidon?
For a home near Little Missouri National Grassland, try the surname first, then the full name.
Why is a deceased person listed as owner around Stewart Lake National Wildlife Refuge?
If you're looking near Marmarth, probate may still be open.
Is the parcel record proof of ownership around White Lake National Wildlife Refuge?
Generally, a title search confirms the chain for land near Little Missouri National Grassland; order one before a purchase.
Is there a way to export the map near Stewart Lake National Wildlife Refuge?
For a home near Marmarth, most viewers have a print or export tool; downloads of raw data vary by county.
Open the official Slope County, ND 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.