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Single Family ResidenceResidential
$861,374$506 / 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 97How 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
Last sold for $210,000 on Dec 29, 1992

5100 ALTHEA DR

ANNANDALE, VA 22003
3
Baths
1,704 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
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.

Valuation

$861K
$833K low$890K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$210,000 · Dec 29, 1992

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,228 (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.$831,980 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$322,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$509,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$794,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$831,980

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.Split Level
CountyFairfax
Lot (acres)The size of the land the home sits on, from county records.0.32
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
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 · 224 ft²Patio · 224 ft²

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

E
Canterbury Woods Elementary SchoolA+
Elementary · Grades PK–6 · 0.5 mi
M
Frost Middle SchoolA+
Middle · Grades 7–8 · 2.1 mi
H
Woodson High SchoolA
High · Grades 9–12 · 2.4 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

5100 Althea 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 67% of homes in Annandale 22003
  • Costs more per square foot than 74% of homes in Fairfax County
  • Bigger than 66% of homes in Annandale 22003
  • Has a bigger lot than 69% of homes in Fairfax County
  • Older than 79% 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
$221K$1.4M

This home is worth more than 67% 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$861,374
CheaperTypical $738,812Pricier

Pricier than 67% of homes nearby

Price per ft²$506
CheaperTypical $430Pricier

Pricier than 70% of homes nearby

Living area1,704 ft²
SmallerTypical 1,475 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.31 ac
SmallerTypical 0.27 acBigger

Bigger than 64% of homes nearby

Year built1966
OlderTypical 1966Newer

Newer than 51% of homes nearby

How 5100 Althea Dr ranks against every home in each area.
MeasureThis homeAnnandale 22003Fairfax County
Estimated valuepricier than$861,37467% of homes59% of homes
Price per ft²pricier than$50670% of homes74% of homes
Living areabigger than1,704 ft²66% of homes54% of homes
Lot sizebigger than0.31 ac64% of homes69% of homes
Year builtnewer than196651% of homes21% of homes

About 5100 Althea Dr

How much is 5100 Althea Dr, Annandale, VA worth?

The TopHap Estimate for 5100 Althea Dr, Annandale, VA is $861,374 as of Sep 24, 2026. The likely range is $832,788 to $889,960. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5100 Althea Dr, Annandale, VA last sell?

5100 Althea Dr, Annandale, VA last sold on Dec 29, 1992 for $210,000, according to the county's recorded deed.

How big is 5100 Althea Dr, Annandale, VA?

5100 Althea Dr, Annandale, VA has 3 bathrooms, 1,704 square feet of living space and a 0.32-acre lot.

When was 5100 Althea Dr, Annandale, VA built?

5100 Althea Dr, Annandale, VA was built in 1966, making it 60 years old. It is a split level home. The building has 1 story.

What schools serve 5100 Althea Dr, Annandale, VA?

5100 Althea Dr, Annandale, VA is assigned to Canterbury Woods 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 5100 Althea Dr, Annandale, VA compare to other homes in Annandale 22003?

Among the 16,475 homes in Annandale 22003, it is worth more than 67% of them ($861,374 against a typical $738,812), its price per square foot is higher than 70% of them ($506 against a typical $430), it is bigger than 66% of them (1,704 ft² against a typical 1,475 ft²), its lot is bigger than 64% of them (0.31 ac against a typical 0.27 ac) and it is newer than 51% of them (1966 against a typical 1966). Measured against all of Fairfax County, it is worth more than 59% 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 5100 Althea Dr, Annandale, VA?

The 2025 property tax bill for 5100 Althea Dr, Annandale, VA was $10,228. The county assessed it at $831,980.

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