Williams County, ND Property Tax Rate
Homeowners in Williams County pay an effective 0.71% of home value in property tax — about $1,901 a year on the median $267,800 home, below or near the North Dakota county median of 0.93%.
Williams County, ND: 0.71% effective property tax — ~$1,901/yr on the median home.
- Effective rate0.71%
- Median home value$267,800
- Median annual bill$1,901
- ND county median0.93%
- U.S. county median0.84%
Source: U.S. Census ACS 2023 5-year (median taxes paid ÷ median value), compiled June 2026.
Williams County vs. North Dakota and the U.S.
| Effective rate | On the county's $267,800 median home | |
|---|---|---|
| Williams County | 0.71% | $1,901 |
| North Dakota county median | 0.93% | $2,491 |
| U.S. county median | 0.84% | $2,250 |
Median household income here is $90,224, putting the median tax bill at about 2.1% of income. Effective rates fold in homestead exemptions and assessment practice — they're what owners actually pay, which is why they beat statutory rates for comparison.
Highest & lowest rates in North Dakota
| County | Effective rate | Median bill |
|---|---|---|
| Foster County | 1.29% | $2,100 |
| Cavalier County | 1.25% | $1,529 |
| Cass County | 1.21% | $3,445 |
| Sargent County | 1.14% | $1,705 |
| Billings County | 0.37% | $1,193 |
| Slope County | 0.38% | $461 |
| McKenzie County | 0.41% | $1,465 |
| Sioux County | 0.47% | $411 |
Full picture: North Dakota property tax calculator · interactive county atlas · all county pages.
Frequently asked questions
What is the property tax rate in Williams County, ND?
The effective rate is about 0.71% of home value — the median homeowner pays roughly $1,901 a year on a $267,800 median home (ACS 2023 five-year data).
Is Williams County's property tax high?
It's below or near the North Dakota county median (0.93%) and below the U.S. county median (0.84%).
How is the effective rate calculated?
Median real-estate taxes paid ÷ median home value, from the Census American Community Survey — what owners actually pay, after exemptions, rather than the statutory millage.
Sources & methodology
Sources: Census ACS 2023 5-year tables B25103/B25077.
Effective rate = median real-estate taxes ÷ median home value (owner-occupied). Individual bills vary with exemptions, assessment timing and local levies — verify with the county assessor.