
Lewis and Clark County GIS & Mapping Search
Montana - Statewide
GIS Parcel Mapping
Search Montana property records by county and name through GIS cadastral mapping.
Natural Resource Mapping
View various interactive and static GIS maps of Montana, such as digital atlas, watersheds, fisheries and streams, hazardous substances, stream and wetland permits, public water supplies, and air quality data.
Lewis and Clark County
Assessor and Tax Lien Sales
Lewis and Clark County Property Tax Supervisor
316 N Park Ave., Room 113, Helena, MT 59623
Phone (406)447-8362
316 N Park Ave., Room 113, Helena, MT 59623
Phone (406)447-8362
City of Helena Maps
View various maps of the City of Helena, including street address map, open lands map, parks map, trails map and other maps.
Commission District Maps
View current Lewis and Clark County Commission District maps.
GIS Mapping
Search interactive GIS maps of Lewis and Clark County, including parks, trails, voting precincts and polling places, air quality, zoning, and floodplains.
GIS Maps
View various static GIS maps of Lewis and Clark County, such as zoning, Council districts, subdivisions, evacuation centers, school districts, and roads.
Voter and Election Information
View Lewis and Clark County voter registration and election information including upcoming election dates, election maps and election results.
Voting Precinct Maps
View Lewis and Clark County voting precinct maps by precinct number, size, and date updates.