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Single Family ResidenceResidential
$743,405$603 / 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 Oct 21, 2026

12521 KINGS LAKE DR

RESTON, VA 20191
5
Beds
3
Baths
1,232 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.
0.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
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

$743K
$712K low$775K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,205 (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.$682,020 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$308,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$374,020
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$650,680
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$682,020

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 Entry
CountyFairfax
Lot (acres)The size of the land the home sits on, from county records.0.59
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.BalconyDeck · 320 ft²Patio · 320 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.

E
Dogwood Elementary SchoolF
Elementary · Grades PK–6 · 0.7 mi
H
South Lakes High SchoolB+
High · Grades 9–12 · 2.2 mi
M
Hughes Middle SchoolB+
Middle · Grades 7–8 · 2.2 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 20191These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
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.30,650
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,674 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,723
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$166,233
Average tempThe average temperature here across a full year.55°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

12521 Kings Lake 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 96% of homes in Reston 20191
  • Smaller than 77% of homes in Fairfax County
  • Has a bigger lot than 93% of homes in Reston 20191

What homes are worth in Reston 20191

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

This home
$259K$1.3M

This home is worth more than 62% of homes in Reston 20191.

How it measures up in Reston 20191

The dot is this home. The mark in the middle is the typical home in Reston 20191.

Estimated value$743,405
CheaperTypical $623,721Pricier

Pricier than 62% of homes nearby

Price per ft²$603
CheaperTypical $414Pricier

Pricier than 96% of homes nearby

Living area1,232 ft²
SmallerTypical 1,462 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.59 ac
SmallerTypical 2,919 ft²Bigger

Bigger than 93% of homes nearby

Year built1977
OlderTypical 1976Newer

Newer than 57% of homes nearby

How 12521 Kings Lake Dr ranks against every home in each area.
MeasureThis homeReston 20191Fairfax County
Estimated valuepricier than$743,40562% of homes47% of homes
Price per ft²pricier than$60396% of homes90% of homes
Living areabigger than1,232 ft²36% of homes23% of homes
Lot sizebigger than0.59 ac93% of homes89% of homes
Year builtnewer than197757% of homes41% of homes

About 12521 Kings Lake Dr

How much is 12521 Kings Lake Dr, Reston, VA worth?

The TopHap Estimate for 12521 Kings Lake Dr, Reston, VA is $743,405 as of Oct 21, 2026. The likely range is $712,036 to $774,774. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 12521 Kings Lake Dr, Reston, VA?

12521 Kings Lake Dr, Reston, VA has 5 bedrooms, 3 bathrooms, 1,232 square feet of living space and a 0.59-acre lot.

When was 12521 Kings Lake Dr, Reston, VA built?

12521 Kings Lake Dr, Reston, VA was built in 1977, making it 49 years old. It is a split entry home. The building has 1 story.

What schools serve 12521 Kings Lake Dr, Reston, VA?

12521 Kings Lake Dr, Reston, VA is assigned to Dogwood Elementary School (elementary), rated F; South Lakes High School (high), rated B+; Hughes Middle School (middle), rated B+. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12521 Kings Lake Dr, Reston, VA compare to other homes in Reston 20191?

Among the 10,548 homes in Reston 20191, it is worth more than 62% of them ($743,405 against a typical $623,721), its price per square foot is higher than 96% of them ($603 against a typical $414), it is bigger than 36% of them (1,232 ft² against a typical 1,462 ft²), its lot is bigger than 93% of them (0.59 ac against a typical 2,919 ft²) and it is newer than 57% of them (1977 against a typical 1976). Measured against all of Fairfax County, it is worth more than 47% 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 12521 Kings Lake Dr, Reston, VA?

The 2025 property tax bill for 12521 Kings Lake Dr, Reston, VA was $8,205. The county assessed it at $682,020.

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