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Single Family ResidenceResidential
$721,514$444 / 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 96How 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

8503 THAMES ST

SPRINGFIELD, VA 22151
4
Beds
3
Baths
1,624 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
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

$722K
$695K low$748K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,164 (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.$706,220 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$310,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$396,220
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$641,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$706,220

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.6 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.0.25
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
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.Balcony

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.

E
Kings Park Elementary SchoolA-
Elementary · Grades PK–3 · 0.3 mi
M
Lake Braddock Secondary SchoolA
Middle · Grades 7–12 · 1.5 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 22151These 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.46
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.18,255
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,467 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,384
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,161
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

8503 Thames 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.

  • Bigger than 70% of homes in Springfield 22151
  • Has a smaller lot than 68% of homes in Springfield 22151
  • Older than 84% of homes in Fairfax County

What homes are worth in Springfield 22151

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

This home
$548K$1.2M

This home is worth more than 58% of homes in Springfield 22151.

How it measures up in Springfield 22151

The dot is this home. The mark in the middle is the typical home in Springfield 22151.

Estimated value$721,514
CheaperTypical $697,283Pricier

Pricier than 58% of homes nearby

Price per ft²$444
CheaperTypical $476Pricier

Pricier than 36% of homes nearby

Living area1,624 ft²
SmallerTypical 1,428 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.25 ac
SmallerTypical 0.26 acBigger

Bigger than 32% of homes nearby

Year built1963
OlderTypical 1962Newer

Newer than 67% of homes nearby

How 8503 Thames St ranks against every home in each area.
MeasureThis homeSpringfield 22151Fairfax County
Estimated valuepricier than$721,51458% of homes44% of homes
Price per ft²pricier than$44436% of homes57% of homes
Living areabigger than1,624 ft²70% of homes50% of homes
Lot sizebigger than0.25 ac32% of homes53% of homes
Year builtnewer than196367% of homes16% of homes

About 8503 Thames St

How much is 8503 Thames St, Springfield, VA worth?

The TopHap Estimate for 8503 Thames St, Springfield, VA is $721,514 as of Sep 24, 2026. The likely range is $695,282 to $747,746. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 8503 Thames St, Springfield, VA?

8503 Thames St, Springfield, VA has 4 bedrooms, 3 bathrooms, 1,624 square feet of living space and a 0.25-acre lot.

When was 8503 Thames St, Springfield, VA built?

8503 Thames St, Springfield, VA was built in 1963, making it 63 years old. The building has 1 story.

What schools serve 8503 Thames St, Springfield, VA?

8503 Thames St, Springfield, VA is assigned to Kings Park Elementary School (elementary), rated A-; Lake Braddock Secondary School (middle), rated A. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8503 Thames St, Springfield, VA compare to other homes in Springfield 22151?

Among the 5,409 homes in Springfield 22151, it is worth more than 58% of them ($721,514 against a typical $697,283), its price per square foot is higher than 36% of them ($444 against a typical $476), it is bigger than 70% of them (1,624 ft² against a typical 1,428 ft²), its lot is bigger than 32% of them (0.25 ac against a typical 0.26 ac) and it is newer than 67% of them (1963 against a typical 1962). Measured against all of Fairfax County, it is worth more than 44% 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 8503 Thames St, Springfield, VA?

The 2025 property tax bill for 8503 Thames St, Springfield, VA was $8,164. The county assessed it at $706,220.

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Assigned schools

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