Counties / Lewis and Clark
Lewis and Clark County
Land records for Lewis and Clark County, Montana: ownership, ownership changes, permits and projects, and state records. As of Oct 5, 2026, from 6 public sources.
Lewis and Clark County. Click a county to open its profile.
Summary
Land and ownership
2,207,658 acres in 39,900 parcels on the parcel map. Federal land that is not on the tax roll is not counted.
All parcels, Montana Department of Revenue, by tax year.
Owner types come from the owner name on the state roll (src/parcels/classify.py). Public access map.
Ownership changes
From monthly copies of the state parcel roll, dated by the copy, not the deed. People are shown as “Private individual”.
One parcel can count in several rows (a sale to an out-of-state LLC is all three).
From the yearly copies of the state roll, 2014 to 2025.
Recent changes
- SoldPrivate individual to Private individual572.79 acres, parcel 05210932101010000Open the parcel on the mapState parcel roll
- SoldRUNNING W CATTLE CO to Private individualHelena, 176.22 acres, 2-parcel propertyOpen the parcel on the mapState parcel roll
- SoldFRAZER INVESTMENTS LP to Private individual164.44 acres, 2-parcel propertyOpen the parcel on the mapState parcel roll
- SoldPrivate individual to Private individualEast Helena, 80.67 acres, parcel 05189030401150000Open the parcel on the mapState parcel roll
- SoldPrivate trust to Private trust79.92 acres, parcel 05233633301010000Open the parcel on the mapState parcel roll
The full list of sales, splits and filings, with a weekly email, is in Data4 Pro.
Permits and projects
Permits, planning cases and land-use hearings from Helena homes, Helena commercial, plus state DEQ and MDT permits.
Last 24 months, all sources.
Upcoming hearings
- Agendas for this county are not read yet.
Recent permits and projects
- MDT-Sieben Storm DrainEnvironmental permit Interstate 15, #MTB013744, Effective
- L&C Cattail ControlEnvironmental permit #MTG870128, Effective
- CITY OF HELENA WWTPEnvironmental permit 2108 CUSTER AVENUE EAST, #MTRNE0186, Effective
- Capital High SchoolEnvironmental permit 100 Valley Dr., #MTR111997, Effective
- Mountain View EyecareEnvironmental permit 3267 COLONIAL DR, #MTR111857, Effective
The full list of permits, projects and hearings in Lewis and Clark County, on the map and as CSV, is in Data4 Pro.
Water and resources
From DNRC, the Montana Bureau of Mines and Geology, the Board of Oil and Gas and BLM.
Market context
Population, income, rent, housing permits and jobs from the Census Bureau and HUD, with the Montana figure for comparison.
Housing units authorized, Census Building Permits Survey. 458 so far this year.
Census population estimates, July 1 each year. The scale does not start at zero.
County Business Patterns, private employers.
ACS 5-year estimates carry margins of error; *_moe fields are 90% MOEs. Small counties (Petroleum, Garfield, Treasure…) have wide MOEs. Median home value is top-coded at $2,000,001. Sources: American Community Survey 5-year estimates, 2020–2024; Population Estimates Program, Vintage 2025 county totals; Building Permits Survey, county annual and monthly files; Fair Market Rents, FY2026 (effective Oct 1 2025) — HUD eGIS feature service; County Business Patterns 2023 (fallback for BLS QCEW).
Known gaps
- Recorded documents: the recorder’s index is not online; documents are searched in person at the courthouse.
- Hearing agendas: published, but not yet read automatically (blocked: robots.txt; other platform (Granicus OpenCities pages)).
- Sale prices: Montana does not disclose sale prices, so none appear on Data 4 MT.
Official sources
Data for this page: county JSON. All counties: counties.json.