Montana Data
Best on desktop

This map moves a lot of statewide parcel data, so it's built for a larger screen for now. Please open it on a desktop or laptop.

A mobile version is on the way.

Montana Data

Every dataset an engineer opens six tabs for — parcels, ownership history, permits, zoning, flood, wetlands, water rights — one statewide map, every record linked to its government source.

Firm accounts by invitation · request access

📄 The existing-conditions report, in a minute
Click any parcel: flood zone & FIRM panel, wetlands, soils, streams, water rights, zoning with the ordinance, permits nearby — with an auto permit checklist. Printable, shareable, exportable to GIS.
See a live sample report →
🏗️ Every permit, refreshed weekly
41,000+ permits from 19 government feeds — building, planning, septic, environmental, highways — with change tracking nobody else has. Filter by city, date, status; every record links to the agency's own server.
Browse the public Data Index →
🔎 Ownership, with memory
All 920,000 Montana parcels with ownership history since 2002 — including the LLCs and trusts an owner controls, linked by mailing address. Search any owner statewide in one query.
Where the data comes from →