Montana · All counties
Montana Parcel Maps & Official County GIS Viewers
Big-sky counties run their own GIS stacks. This Montana hub points you to official parcel viewers from prairie east to Rocky Mountain west.
We link out — we do not host parcels. Platbookmapper does not draw lot lines, embed county FeatureServers, or redistribute tax-parcel geometry for Montana. Our role is to connect you to the official county GIS / parcel viewer that maintains the property information. Not a survey product.
Ranch and town lot search tips
Platbookmapper does not host Montana parcels. Pick a county, open the official GIS, and search by geocode/parcel ID, address, or owner. Eastern prairie counties often show large agricultural tracts; western mountain counties mix valley lots with forest-adjacent acreages.
Montana is PLSS country. Expect section-township-range descriptions and aliquot parts. Federal and state trust lands frequently neighbor private parcels—click carefully. Mineral and surface estates can diverge; tax maps primarily show surface assessment units.
Online layers support planning, not staking. Verify with recorded certificates of survey or a licensed surveyor.
Certificates of survey (COS) numbers in attributes often matter more than the sketched outline for rural splits. If public land fills the screen, search by geocode instead of clicking blindly. Platbookmapper links out only.
Ownership checkerboards near federal land reward geocode search over browsing. When in doubt, match the COS or geocode on your deed to the attribute table.
Keep Platbookmapper bookmarked as the county index; return here when a CAD URL changes rather than relying on an old third-party bookmark.
Plat and parcel guides
These articles cover plat maps, parcel maps, and property lines for this state. The list below opens the official local GIS viewer.
All Montana counties (56)
56 with curated official GIS links; remaining counties use the verify path via the map.
- Beaverhead County
- Big Horn County
- Blaine County
- Broadwater County
- Carbon County
- Carter County
- Cascade County
- Chouteau County
- Custer County
- Daniels County
- Dawson County
- Deer Lodge County
- Fallon County
- Fergus County
- Flathead County
- Gallatin County
- Garfield County
- Glacier County
- Golden Valley County
- Granite County
- Hill County
- Jefferson County
- Judith Basin County
- Lake County
- Lewis and Clark County
- Liberty County
- Lincoln County
- Madison County
- McCone County
- Meagher County
- Mineral County
- Missoula County
- Musselshell County
- Park County
- Petroleum County
- Phillips County
- Pondera County
- Powder River County
- Powell County
- Prairie County
- Ravalli County
- Richland County
- Roosevelt County
- Rosebud County
- Sanders County
- Sheridan County
- Silver Bow County
- Stillwater County
- Sweet Grass County
- Teton County
- Toole County
- Treasure County
- Valley County
- Wheatland County
- Wibaux County
- Yellowstone County
Related
- All state hubs (A–Z)
- Nationwide county GIS map
- Parcel map & property search guides
- How this directory works
Frequently asked questions
How do I find a Montana county parcel map?
Pick your county on this Montana hub (or on the national Platbookmapper map), then open the official GIS / parcel viewer link. Each county maintains its own app — we link out and do not host parcels.
Are Montana online parcel maps survey-grade?
No. County GIS parcels are tax and planning layers. For legal boundaries, use a recorded plat or hire a licensed surveyor.
Why do some Montana counties say Verify via map?
We only mark a county Listed when we have a curated direct interactive viewer URL. Verify counties still open from the national map with the best available outbound link — always confirm it is the official local source.
Does Platbookmapper draw property lot lines?
No. We do not host or redraw parcel geometry. Our product is a USA → county → official GIS link directory so you can open the local interactive map in a new tab.