Homeowners in Lewis and Clark County, Montana paid a median $3,113 a year in property tax on a median home worth $393,500, an effective rate of about 0.79% (Census 2020–2024).
0.72%Montana statewide · US 0.94%
How Lewis and Clark County compares
Effective rate (median tax ÷ median value)
Median tax paid per year
Tax on a home here
At the local 0.79% effective rate
| Home value | Estimated yearly tax | Per month |
|---|---|---|
| $150,000 | $1,187 | $99 |
| $250,000 | $1,978 | $165 |
| $350,000 | $2,769 | $231 |
| $500,000 | $3,956 | $330 |
Cities and towns in Lewis and Clark County
| Place | Median tax | Median value | Rate |
|---|---|---|---|
| Helena | $3,552 | $387,300 | 0.92% |
| Helena Valley Southeast | $2,380 | $331,500 | 0.72% |
| Helena Valley West Central | $2,779 | $367,200 | 0.76% |
| Helena Valley Northwest | $2,670 | $404,200 | 0.66% |
| Helena Valley Northeast | $3,870 | $576,700 | 0.67% |
| Lincoln | $2,018 | $380,900 | 0.53% |
| Unionville | $3,478 | $485,500 | 0.72% |
| Augusta | $1,292 | $208,300 | 0.62% |
| Rimini | $1,202 | $265,400 | 0.45% |
Buying a home in Lewis and Clark County? 2026 loan limits
Related
- Montana property tax by countyall counties ranked
- Phillips County, MT0.78% effective
- Pondera County, MT0.80% effective
- Deer Lodge County, MT0.78% effective
- Yellowstone County, MT0.81% effective
- Chouteau County, MT0.75% effective
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25103 (median real estate taxes paid), B25077 (median home value), B25003, B25088, B19013 and B01003. These are 2020–2024 medians reported by owner-occupants, not 2026 tax bills or official mill rates. The effective rate here is median tax ÷ median home value. Actual bills depend on assessed value, exemptions (homestead, senior, veteran) and local levies. Check with your county assessor or treasurer. Not tax advice.
Frequently asked questions
What is the property tax rate in Lewis and Clark County, Montana?
Homeowners in Lewis and Clark County, Montana paid a median $3,113 a year in property tax on a median home worth $393,500, an effective rate of about 0.79% (Census 2020–2024).
How much is property tax on a $300,000 home in Lewis and Clark County?
About $2,373 a year ($198 a month) at the 0.79% median effective rate. Your bill depends on assessed value and exemptions.
Is Lewis and Clark County property tax high?
It ranks #38 lowest of 56 Montana counties. The state median effective rate is 0.72% and the US rate is 0.94%.
Where do I pay property tax in Lewis and Clark County?
Bills are issued and collected by the Lewis and Clark County treasurer or tax collector, based on values set by the county assessor.