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Single Family ResidenceResidential
$778,114$576 / 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 98How 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

4001 MOSS DR

ANNANDALE, VA 22003
5
Beds
4 / 1
Baths
1,350 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
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

$778K
$762K low$794K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,599 (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.$850,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$306,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$544,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$787,380
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$850,100

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.0.29
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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.BalconyDeck · 612 ft²Patio · 612 ft²Porch · 180 ft²

Transaction History(4)

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
Mason Crest Elementary SchoolD+
Elementary · Grades PK–5 · 0.9 mi
M
Glasgow Middle SchoolD-
Middle · Grades 6–8 · 2.2 mi
H
Justice High SchoolC-
High · Grades 9–12 · 2.2 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

4001 Moss 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.

  • Costs more per square foot than 86% of homes in Fairfax County
  • Smaller than 68% of homes in Fairfax County
  • Has a bigger lot than 66% of homes in Fairfax County
  • Older than 88% 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
$216K$1.4M

This home is worth more than 55% 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$778,114
CheaperTypical $737,826Pricier

Pricier than 55% of homes nearby

Price per ft²$576
CheaperTypical $430Pricier

Pricier than 85% of homes nearby

Living area1,350 ft²
SmallerTypical 1,475 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.29 ac
SmallerTypical 0.27 acBigger

Bigger than 59% of homes nearby

Year built1959
OlderTypical 1966Newer

Newer than 21% of homes nearby

How 4001 Moss Dr ranks against every home in each area.
MeasureThis homeAnnandale 22003Fairfax County
Estimated valuepricier than$778,11455% of homes51% of homes
Price per ft²pricier than$57685% of homes86% of homes
Living areabigger than1,350 ft²38% of homes32% of homes
Lot sizebigger than0.29 ac59% of homes66% of homes
Year builtnewer than195921% of homes12% of homes

About 4001 Moss Dr

How much is 4001 Moss Dr, Annandale, VA worth?

The TopHap Estimate for 4001 Moss Dr, Annandale, VA is $778,114 as of Oct 21, 2026. The likely range is $762,160 to $794,068. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4001 Moss Dr, Annandale, VA last sell?

4001 Moss Dr, Annandale, VA last sold on Apr 26, 2017, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4001 Moss Dr, Annandale, VA?

4001 Moss Dr, Annandale, VA has 5 bedrooms, 4 bathrooms, 1,350 square feet of living space and a 0.29-acre lot.

When was 4001 Moss Dr, Annandale, VA built?

4001 Moss Dr, Annandale, VA was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 4001 Moss Dr, Annandale, VA?

4001 Moss Dr, Annandale, VA is assigned to Mason Crest Elementary School (elementary), rated D+; Glasgow Middle School (middle), rated D-; Justice High School (high), rated C-. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4001 Moss Dr, Annandale, VA compare to other homes in Annandale 22003?

Among the 16,477 homes in Annandale 22003, it is worth more than 55% of them ($778,114 against a typical $737,826), its price per square foot is higher than 85% of them ($576 against a typical $430), it is bigger than 38% of them (1,350 ft² against a typical 1,475 ft²), its lot is bigger than 59% of them (0.29 ac against a typical 0.27 ac) and it is newer than 21% of them (1959 against a typical 1966). Measured against all of Fairfax County, it is worth more than 51% 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 4001 Moss Dr, Annandale, VA?

The 2025 property tax bill for 4001 Moss Dr, Annandale, VA was $10,599. The county assessed it at $850,100.

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