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Single Family ResidenceResidential
$979,286$583 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $956,000 on Aug 27, 2025

312 DUNCAN AVE

ALEXANDRIA, VA 22301
1.5
Baths
1,680 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.
2,760 ft²
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$979K
$929K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$956,000 · Aug 27, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,534 (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.$919,141 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$521,270
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$397,871
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$871,753
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$919,141

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyALEXANDRIA CITY
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2000
Lot (acres)The size of the land the home sits on, from county records.0.06
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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.Deck · 160 ft²Patio · 416 ft²Porch · 128 ft²

Transaction History(3)

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
Mount Vernon Elementary SchoolD+
Elementary · Grades KG–5 · 0.5 mi
M
George Washington Middle School
Middle · Grades 6–8 · 1.5 mi
H
Alexandria City High SchoolD
High · Grades 9–12 · 1.6 mi

District: Alexandria City Public Schools

Neighborhood · ZIP 22301These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
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.13,787
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,792 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$175,167
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$214,197
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

312 Duncan Ave 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 71% of homes in Alexandria city County
  • Costs more per square foot than 72% of homes in Alexandria city County
  • Has a smaller lot than 66% of homes in Alexandria 22301
  • Older than 85% of homes in Alexandria city County

What homes are worth in Alexandria 22301

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

This home
$424K$2.6M

This home is worth more than 37% of homes in Alexandria 22301.

How it measures up in Alexandria 22301

The dot is this home. The mark in the middle is the typical home in Alexandria 22301.

Estimated value$979,286
CheaperTypical $1,101,141Pricier

Pricier than 37% of homes nearby

Price per ft²$583
CheaperTypical $635Pricier

Pricier than 32% of homes nearby

Living area1,680 ft²
SmallerTypical 1,879 ft²Bigger

Bigger than 39% of homes nearby

Lot size2,760 ft²
SmallerTypical 0.1 acBigger

Bigger than 34% of homes nearby

Year built1940
OlderTypical 1944Newer

Newer than 49% of homes nearby

How 312 Duncan Ave ranks against every home in each area.
MeasureThis homeAlexandria 22301Alexandria city County
Estimated valuepricier than$979,28637% of homes71% of homes
Price per ft²pricier than$58332% of homes72% of homes
Living areabigger than1,680 ft²39% of homes62% of homes
Lot sizebigger than2,760 ft²34% of homes59% of homes
Year builtnewer than194049% of homes15% of homes

About 312 Duncan Ave

How much is 312 Duncan Ave, Alexandria, VA worth?

The TopHap Estimate for 312 Duncan Ave, Alexandria, VA is $979,286 as of Oct 21, 2026. The likely range is $928,933 to $1,029,639. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 312 Duncan Ave, Alexandria, VA last sell?

312 Duncan Ave, Alexandria, VA last sold on Aug 27, 2025 for $956,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 312 Duncan Ave, Alexandria, VA?

312 Duncan Ave, Alexandria, VA has 1.5 bathrooms, 1,680 square feet of living space and a 0.06-acre lot.

When was 312 Duncan Ave, Alexandria, VA built?

312 Duncan Ave, Alexandria, VA was built in 1940, making it 86 years old. It is a townhouse home. The building has 2 stories.

What schools serve 312 Duncan Ave, Alexandria, VA?

312 Duncan Ave, Alexandria, VA is assigned to Mount Vernon Elementary School (elementary), rated D+; George Washington Middle School (middle); Alexandria City High School (high), rated D. All sit in Alexandria City Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 312 Duncan Ave, Alexandria, VA compare to other homes in Alexandria 22301?

Among the 5,570 homes in Alexandria 22301, it is worth more than 37% of them ($979,286 against a typical $1,101,141), its price per square foot is higher than 32% of them ($583 against a typical $635), it is bigger than 39% of them (1,680 ft² against a typical 1,879 ft²), its lot is bigger than 34% of them (2,760 ft² against a typical 0.1 ac) and it is newer than 49% of them (1940 against a typical 1944). Measured against all of Alexandria city County, it is worth more than 71% 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 312 Duncan Ave, Alexandria, VA?

The 2025 property tax bill for 312 Duncan Ave, Alexandria, VA was $10,534. The county assessed it at $919,141.

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Assigned schools

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