King William County property tax
Homeowners in King William County, Virginia typically pay about 0.55% of their home's value in property tax each year — a median bill of $1,729 on a median home value of $315,700.
Typical effective rate
0.55%
higher than 79% of U.S. counties
Median tax paid
$1,729
per year
Median home value
$315,700
In VA
#91
of 133 ranked counties
At a glance
- Effective rate 0.55% — 42% lower than the U.S. median of 0.94%, and 25% lower than the Virginia median of 0.73%.
- With vs. without a mortgage — median tax $1,655 for mortgaged homes, $1,939 for homes owned outright.
- State ranking — 91st highest effective rate of 133 ranked Virginia counties; nationally it sits around the 21th percentile.
Estimate a bill for King William County
Apply this county's typical effective rate (0.55%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in King William County, VA?
The typical effective property-tax rate in King William County is 0.55% of a home's value per year, based on median taxes paid ($1,729) divided by the median home value ($315,700) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in King William County?
The median owner-occupied home in King William County is valued at $315,700, and the median real estate tax paid is $1,729 per year. Homes with a mortgage have a median tax of $1,655, versus $1,939 for homes without one.
How does King William County compare to the rest of Virginia?
King William County's effective rate is 25% lower than the Virginia median, ranking 91st of 133 ranked counties in the state.
Compare nearby Virginia counties
Counties ranked closest to King William County by in-state effective rate. Open the comparison tool or see all Virginia counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 88 | Floyd County | 0.55% | $1,245 |
| 89 | Patrick County | 0.55% | $845 |
| 90 | Orange County | 0.55% | $1,997 |
| 92 | Dinwiddie County | 0.55% | $1,409 |
| 93 | Greensville County | 0.54% | $855 |
| 94 | Carroll County | 0.53% | $834 |
Official data & resources for King William County
- King William County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for King William County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for King William County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.