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Single Family ResidenceResidential
$1,184,742$487 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

4317 DUNCAN DR

ANNANDALE, VA 22003
3
Beds
5 / 1
Baths
2,434 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.
0.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$1.1M low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,583 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,088,460 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$433,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$655,460
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,088,460
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,088,460

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFairfax
Lot (acres)The size of the land the home sits on, from county records.0.61
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 482 ft²Patio · 482 ft²

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
Wakefield Forest Elementary SchoolA+
Elementary · Grades KG–6 · 1.0 mi
M
Frost Middle SchoolA+
Middle · Grades 7–8 · 2.4 mi
H
Woodson High SchoolA
High · Grades 9–12 · 2.7 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 22003These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.37

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.59,464
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,742 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,228
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,466
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

4317 Duncan Dr 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 95% of homes in Annandale 22003
  • Costs more per square foot than 70% of homes in Fairfax County
  • Bigger than 87% of homes in Annandale 22003
  • Has a bigger lot than 92% of homes in Annandale 22003
  • Older than 91% of homes in Fairfax County

What homes are worth in Annandale 22003

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

This home
$222K$1.5M

This home is worth more than 95% of homes in Annandale 22003.

How it measures up in Annandale 22003

The dot is this home. The mark in the middle is the typical home in Annandale 22003.

Estimated value$1,184,742
CheaperTypical $746,736Pricier

Pricier than 95% of homes nearby

Price per ft²$487
CheaperTypical $435Pricier

Pricier than 66% of homes nearby

Living area2,434 ft²
SmallerTypical 1,480 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.61 ac
SmallerTypical 0.27 acBigger

Bigger than 92% of homes nearby

Year built1956
OlderTypical 1966Newer

Newer than 14% of homes nearby

How 4317 Duncan Dr ranks against every home in each area.
MeasureThis homeAnnandale 22003Fairfax County
Estimated valuepricier than$1,184,74295% of homes82% of homes
Price per ft²pricier than$48766% of homes70% of homes
Living areabigger than2,434 ft²87% of homes76% of homes
Lot sizebigger than0.61 ac92% of homes89% of homes
Year builtnewer than195614% of homes9% of homes

About 4317 Duncan Dr

How much is 4317 Duncan Dr, Annandale, VA worth?

The TopHap Estimate for 4317 Duncan Dr, Annandale, VA is $1,184,742 as of Aug 30, 2026. The likely range is $1,109,242 to $1,260,243. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 4317 Duncan Dr, Annandale, VA?

4317 Duncan Dr, Annandale, VA has 3 bedrooms, 5 bathrooms, 2,434 square feet of living space and a 0.61-acre lot.

When was 4317 Duncan Dr, Annandale, VA built?

4317 Duncan Dr, Annandale, VA was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 4317 Duncan Dr, Annandale, VA?

4317 Duncan Dr, Annandale, VA is assigned to Wakefield Forest Elementary School (elementary), rated A+; Frost Middle School (middle), rated A+; Woodson High School (high), rated A. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4317 Duncan Dr, Annandale, VA compare to other homes in Annandale 22003?

Among the 16,475 homes in Annandale 22003, it is worth more than 95% of them ($1,184,742 against a typical $746,736), its price per square foot is higher than 66% of them ($487 against a typical $435), it is bigger than 87% of them (2,434 ft² against a typical 1,480 ft²), its lot is bigger than 92% of them (0.61 ac against a typical 0.27 ac) and it is newer than 14% of them (1956 against a typical 1966). Measured against all of Fairfax County, it is worth more than 82% 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 4317 Duncan Dr, Annandale, VA?

The 2025 property tax bill for 4317 Duncan Dr, Annandale, VA was $12,583. The county assessed it at $1,088,460.

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