Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team.
Lewis and Clark County, Montana, has about 75,000 residents (2024 Census Bureau estimate). The title to a parcel in Lewis and Clark County is in the deed records of the Clerk and Recorder and its taxable value is set by the Property Assessment Division; what is built on it is a matter for the city or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, city permits, evictions and court cases, records requests and common questions.
Related guides: Lewis and Clark County public records, Lewis and Clark County arrest records, Lewis and Clark County warrants, Lewis and Clark County inmate search, Lewis and Clark County criminal records, Montana arrest records and Montana inmate search.
Deeds, Mortgages and Liens in Lewis and Clark County
Deeds, mortgages, liens and easements that affect title to land in Lewis and Clark County are recorded by the Clerk and Recorder, which indexes them by name and sells copies.
SearchSystems opened and checked the Clerk and Recorder's page at lccountymt.gov/Government/Clerk-and-Recorder-Treasurer/Clerk-and-Re... (page title: Records Department | Lewis & Clark County), a site that blocks automated checks (HTTP 403), so open it in a browser.
Assessed Values and the Tax Roll in Lewis and Clark County
The Property Assessment Division sets the value each parcel in Lewis and Clark County is taxed on and keeps the parcel maps. Montana property is appraised by the state Department of Revenue, not the county, on a two-year cycle.
SearchSystems opened and checked the Property Assessment Division's page at lccountymt.gov/Home/Top-Task-2/Property-Tax (page title: Property Tax | Lewis & Clark County), phone 406-447-8200, 316 N. Park Avenue, Helena MT 59623, a site that blocks automated checks (HTTP 403), so open it in a browser.
Permits and City Records in the Cities of Lewis and Clark County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Lewis and Clark County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Helena: the city hall page SearchSystems verified is at helenamt.gov/Home (verified September 26, 2026).
Evictions and Court Cases About Land in Lewis and Clark County
Court cases about land from Lewis and Clark County, evictions among them, are filed in the Justice Court or the Lewis and Clark County District Court.
Asking a County Office for a Record
Under the Montana Public Records Act a county office must answer a request in a timely manner; the statute sets no number of days, and it may charge the actual cost of fulfilling the request.
Frequently Asked Questions
Who records deeds in Lewis and Clark County?
The Clerk and Recorder.
Who sets the assessed value of a property in Lewis and Clark County?
The Property Assessment Division.
Where are evictions from Lewis and Clark County filed?
In the Justice Court. The file is public unless the court seals it.
How is property assessed in Montana?
Montana property is appraised by the state Department of Revenue, not the county, on a two-year cycle.
Is this the official Lewis and Clark County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.