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Single Family ResidenceResidential
$789,557$441 / 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 Aug 30, 2026
Last sold for $550,000 on Oct 17, 2017

6521 ANNANDALE ST

ALEXANDRIA, VA 22312
4
Beds
3
Baths
1,792 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.
0.88 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
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

$790K
$749K low$830K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Oct 17, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,784 (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.$759,820 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$340,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$419,820
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$706,720
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$759,820

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
CountyFairfax
Lot (acres)The size of the land the home sits on, from county records.0.88
ConstructionThe main material the home's frame and walls are built from.Concrete Blocks
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
PoolWhether the property has a pool, and what kind, such as in-ground.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 · 222 ft²Shed · 200 ft²Patio · 284 ft²Porch · 176 ft²

Transaction History(1)

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.

M
Holmes Middle SchoolD+
Middle · Grades 6–8 · 0.4 mi
E
Weyanoke Elementary SchoolD-
Elementary · Grades PK–5 · 0.5 mi
H
Annandale High SchoolD+
High · Grades 9–12 · 2.7 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 22312These 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.98
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.0%
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.31,462
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,041 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,412
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,193
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

6521 Annandale St 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 80% of homes in Alexandria 22312
  • Costs more per square foot than 71% of homes in Alexandria 22312
  • Bigger than 72% of homes in Alexandria 22312
  • Has a bigger lot than 98% of homes in Alexandria 22312
  • Older than 82% of homes in Fairfax County

What homes are worth in Alexandria 22312

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

This home
$197K$1.2M

This home is worth more than 80% of homes in Alexandria 22312.

How it measures up in Alexandria 22312

The dot is this home. The mark in the middle is the typical home in Alexandria 22312.

Estimated value$789,557
CheaperTypical $621,411Pricier

Pricier than 80% of homes nearby

Price per ft²$441
CheaperTypical $381Pricier

Pricier than 71% of homes nearby

Living area1,792 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.88 ac
SmallerTypical 0.2 acBigger

Bigger than 98% of homes nearby

Year built1964
OlderTypical 1968Newer

Newer than 36% of homes nearby

How 6521 Annandale St ranks against every home in each area.
MeasureThis homeAlexandria 22312Fairfax County
Estimated valuepricier than$789,55780% of homes52% of homes
Price per ft²pricier than$44171% of homes55% of homes
Living areabigger than1,792 ft²72% of homes58% of homes
Lot sizebigger than0.88 ac98% of homes93% of homes
Year builtnewer than196436% of homes18% of homes

About 6521 Annandale St

How much is 6521 Annandale St, Alexandria, VA worth?

The TopHap Estimate for 6521 Annandale St, Alexandria, VA is $789,557 as of Aug 30, 2026. The likely range is $749,004 to $830,110. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6521 Annandale St, Alexandria, VA last sell?

6521 Annandale St, Alexandria, VA last sold on Oct 17, 2017 for $550,000, according to the county's recorded deed.

How big is 6521 Annandale St, Alexandria, VA?

6521 Annandale St, Alexandria, VA has 4 bedrooms, 3 bathrooms, 1,792 square feet of living space and a 0.88-acre lot.

When was 6521 Annandale St, Alexandria, VA built?

6521 Annandale St, Alexandria, VA was built in 1964, making it 62 years old. The building has 1 story.

What schools serve 6521 Annandale St, Alexandria, VA?

6521 Annandale St, Alexandria, VA is assigned to Holmes Middle School (middle), rated D+; Weyanoke Elementary School (elementary), rated D-; Annandale High School (high), rated D+. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6521 Annandale St, Alexandria, VA compare to other homes in Alexandria 22312?

Among the 7,644 homes in Alexandria 22312, it is worth more than 80% of them ($789,557 against a typical $621,411), its price per square foot is higher than 71% of them ($441 against a typical $381), it is bigger than 72% of them (1,792 ft² against a typical 1,440 ft²), its lot is bigger than 98% of them (0.88 ac against a typical 0.2 ac) and it is newer than 36% of them (1964 against a typical 1968). Measured against all of Fairfax County, it is worth more than 52% 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 6521 Annandale St, Alexandria, VA?

The 2025 property tax bill for 6521 Annandale St, Alexandria, VA was $8,784. The county assessed it at $759,820.

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