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Single Family ResidenceResidential
$699,730$511 / 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
Last sold for $525,000 on Jan 27, 2020

6435 KALMIA ST

SPRINGFIELD, VA 22150
3
Beds
2
Baths
1,368 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$700K
$669K low$730K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$525,000 · Jan 27, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,305 (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.$718,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$311,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$407,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$632,860
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$718,400

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.0.50
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Patio · 192 ft²

Transaction History(2)

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
Forestdale Elementary SchoolF
Elementary · Grades PK–6 · 0.3 mi
M
Key Middle SchoolD-
Middle · Grades 7–8 · 0.5 mi
H
Lewis High SchoolD+
High · Grades 9–12 · 0.6 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 22150These 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.84
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 100.40

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
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.28,694
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,687 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,688
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,019
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

6435 Kalmia 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 69% of homes in Springfield 22150
  • Costs more per square foot than 82% of homes in Springfield 22150
  • Smaller than 66% of homes in Fairfax County
  • Has a bigger lot than 91% of homes in Springfield 22150
  • Older than 98% of homes in Springfield 22150

What homes are worth in Springfield 22150

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

This home
$416K$1.3M

This home is worth more than 69% of homes in Springfield 22150.

How it measures up in Springfield 22150

The dot is this home. The mark in the middle is the typical home in Springfield 22150.

Estimated value$699,730
CheaperTypical $643,471Pricier

Pricier than 69% of homes nearby

Price per ft²$511
CheaperTypical $421Pricier

Pricier than 82% of homes nearby

Living area1,368 ft²
SmallerTypical 1,430 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.5 ac
SmallerTypical 0.24 acBigger

Bigger than 91% of homes nearby

Year built1952
OlderTypical 1960Newer

Newer than 2% of homes nearby

How 6435 Kalmia St ranks against every home in each area.
MeasureThis homeSpringfield 22150Fairfax County
Estimated valuepricier than$699,73069% of homes42% of homes
Price per ft²pricier than$51182% of homes76% of homes
Living areabigger than1,368 ft²43% of homes34% of homes
Lot sizebigger than0.5 ac91% of homes85% of homes
Year builtnewer than19522% of homes5% of homes

About 6435 Kalmia St

How much is 6435 Kalmia St, Springfield, VA worth?

The TopHap Estimate for 6435 Kalmia St, Springfield, VA is $699,730 as of Sep 24, 2026. The likely range is $669,400 to $730,060. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6435 Kalmia St, Springfield, VA last sell?

6435 Kalmia St, Springfield, VA last sold on Jan 27, 2020 for $525,000, according to the county's recorded deed.

How big is 6435 Kalmia St, Springfield, VA?

6435 Kalmia St, Springfield, VA has 3 bedrooms, 2 bathrooms, 1,368 square feet of living space and a 0.50-acre lot.

When was 6435 Kalmia St, Springfield, VA built?

6435 Kalmia St, Springfield, VA was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 6435 Kalmia St, Springfield, VA?

6435 Kalmia St, Springfield, VA is assigned to Forestdale Elementary School (elementary), rated F; Key Middle School (middle), rated D-; Lewis 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 6435 Kalmia St, Springfield, VA compare to other homes in Springfield 22150?

Among the 6,266 homes in Springfield 22150, it is worth more than 69% of them ($699,730 against a typical $643,471), its price per square foot is higher than 82% of them ($511 against a typical $421), it is bigger than 43% of them (1,368 ft² against a typical 1,430 ft²), its lot is bigger than 91% of them (0.5 ac against a typical 0.24 ac) and it is newer than 2% of them (1952 against a typical 1960). Measured against all of Fairfax County, it is worth more than 42% 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 6435 Kalmia St, Springfield, VA?

The 2025 property tax bill for 6435 Kalmia St, Springfield, VA was $8,305. The county assessed it at $718,400.

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