King William County, VA Property Tax Rate
Homeowners in King William County pay an effective 0.63% of home value in property tax — about $1,742 a year on the median $276,500 home, below or near the Virginia county median of 0.63%.
King William County, VA: 0.63% effective property tax — ~$1,742/yr on the median home.
- Effective rate0.63%
- Median home value$276,500
- Median annual bill$1,742
- VA county median0.63%
- U.S. county median0.84%
Source: U.S. Census ACS 2023 5-year (median taxes paid ÷ median value), compiled June 2026.
King William County vs. Virginia and the U.S.
| Effective rate | On the county's $276,500 median home | |
|---|---|---|
| King William County | 0.63% | $1,742 |
| Virginia county median | 0.63% | $1,742 |
| U.S. county median | 0.84% | $2,323 |
Median household income here is $85,212, putting the median tax bill at about 2.0% 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 Virginia
| County | Effective rate | Median bill |
|---|---|---|
| Manassas Park County | 1.14% | $4,346 |
| Manassas County | 1.10% | $4,782 |
| Portsmouth County | 1.07% | $2,455 |
| Newport News County | 1.03% | $2,506 |
| Prince Edward County | 0.40% | $815 |
| Bath County | 0.40% | $824 |
| Mathews County | 0.42% | $1,465 |
| Nottoway County | 0.42% | $755 |
Full picture: Virginia property tax calculator · interactive county atlas · all county pages.
Frequently asked questions
What is the property tax rate in King William County, VA?
The effective rate is about 0.63% of home value — the median homeowner pays roughly $1,742 a year on a $276,500 median home (ACS 2023 five-year data).
Is King William County's property tax high?
It's below or near the Virginia county median (0.63%) 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.