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Rural ResidenceResidential
$525,559$218 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

3946 E RIVER RD

KING WILLIAM, VA 23086
3
Beds
2.5
Baths
2,412 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
35.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$526K
$430K low$622K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,271 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$434,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$134,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$299,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$434,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$434,600

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.54
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
81
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
79
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
98
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyKING WILLIAM
Lot (acres)The size of the land the home sits on, from county records.35.58
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.GazeboShed · 192 ft²Porch · 93 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Cool Spring Primary School
Elementary · Grades PK–2 · 3.9 mi
M
Hamilton Holmes Middle SchoolD+
Middle · Grades 6–8 · 3.9 mi
H
King William High SchoolC+
High · Grades 9–12 · 4.7 mi

District: King William County Public Schools

Neighborhood · ZIP 23086These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.3,519
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,775
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,234
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

3946 E River Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 94% of homes in King William 23086
  • Costs more per square foot than 67% of homes in King William County
  • Bigger than 89% of homes in King William 23086
  • Has a bigger lot than 98% of homes in King William County

What homes are worth in King William 23086

Each bar is how many homes fall in that price range. The marker is this home.

This home
$145K$638K

This home is worth more than 94% of homes in King William 23086.

How it measures up in King William 23086

The dot is this home. The mark in the middle is the typical home in King William 23086.

Estimated value$525,559
CheaperTypical $315,178Pricier

Pricier than 94% of homes nearby

Price per ft²$218
CheaperTypical $200Pricier

Pricier than 61% of homes nearby

Living area2,412 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 89% of homes nearby

Lot size35.58 ac
SmallerTypical 4.68 acBigger

Bigger than 97% of homes nearby

Year built1991
OlderTypical 1992Newer

Newer than 49% of homes nearby

How 3946 E River Rd ranks against every home in each area.
MeasureThis homeKing William 23086King William County
Estimated valuepricier than$525,55994% of homes94% of homes
Price per ft²pricier than$21861% of homes67% of homes
Living areabigger than2,412 ft²89% of homes88% of homes
Lot sizebigger than35.58 ac97% of homes98% of homes
Year builtnewer than199149% of homes47% of homes

About 3946 E River Rd

How much is 3946 E River Rd, King William, VA worth?

The TopHap Estimate for 3946 E River Rd, King William, VA is $525,559 as of Sep 24, 2026. The likely range is $429,576 to $621,542. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3946 E River Rd, King William, VA last sell?

3946 E River Rd, King William, VA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3946 E River Rd, King William, VA?

3946 E River Rd, King William, VA has 3 bedrooms, 2.5 bathrooms, 2,412 square feet of living space and a 35.58-acre lot.

When was 3946 E River Rd, King William, VA built?

3946 E River Rd, King William, VA was built in 1991, making it 35 years old. It is a colonial home. The building has 2 stories.

What schools serve 3946 E River Rd, King William, VA?

3946 E River Rd, King William, VA is assigned to Cool Spring Primary School (elementary); Hamilton Holmes Middle School (middle), rated D+; King William High School (high), rated C+. All sit in King William County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3946 E River Rd, King William, VA compare to other homes in King William 23086?

Among the 1,401 homes in King William 23086, it is worth more than 94% of them ($525,559 against a typical $315,178), its price per square foot is higher than 61% of them ($218 against a typical $200), it is bigger than 89% of them (2,412 ft² against a typical 1,512 ft²), its lot is bigger than 97% of them (35.58 ac against a typical 4.68 ac) and it is newer than 49% of them (1991 against a typical 1992). Measured against all of King William County, it is worth more than 94% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3946 E River Rd, King William, VA?

The 2026 property tax bill for 3946 E River Rd, King William, VA was $2,271. The county assessed it at $434,600.

More homes on E River Rd

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More homes in King William 23086

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