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Single Family ResidenceResidential
$340,673$365 / 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 93How 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

8421 ALPAUGH ST

MANASSAS, VA 20112
3
Beds
1
Baths
933 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.
3,598 ft²
Lot SizeThe size of the land the home sits on, from county records.
1935
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$341K
$316K low$366K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,436 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$224,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$120,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$103,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$212,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$224,600

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
72
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
StyleThe architectural style of the home, such as ranch or colonial.Rambler
CountyPrince William
Lot (acres)The size of the land the home sits on, from county records.0.08
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.Porch · 140 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
Bennett Elementary SchoolB+
Elementary · Grades PK–5 · 1.7 mi
H
Osbourn Park High SchoolC+
High · Grades 9–12 · 4.0 mi
M
Parkside Middle SchoolC-
Middle · Grades 6–8 · 4.4 mi

District: Prince William County Public Schools

Neighborhood · ZIP 20112These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
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.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.3.1%
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.30,416
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.671 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$170,856
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$192,832
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

8421 Alpaugh 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.

  • Among the least valuable homes in Manassas 20112
  • Costs more per square foot than 81% of homes in Manassas 20112
  • Among the smallest homes in Manassas 20112
  • Has a smaller lot than 92% of homes in Manassas 20112
  • Among the oldest homes in Prince William County

What homes are worth in Manassas 20112

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

This home
$382K$1.2M

This home is worth less than almost all homes in Manassas 20112.

How it measures up in Manassas 20112

The dot is this home. The mark in the middle is the typical home in Manassas 20112.

Estimated value$340,673
CheaperTypical $747,195Pricier

Cheaper than almost all homes nearby

Price per ft²$365
CheaperTypical $299Pricier

Pricier than 81% of homes nearby

Living area933 ft²
SmallerTypical 2,496 ft²Bigger

Smaller than almost all homes nearby

Lot size3,598 ft²
SmallerTypical 1 acBigger

Bigger than 8% of homes nearby

Year built1935
OlderTypical 1996Newer

Older than almost all homes nearby

How 8421 Alpaugh St ranks against every home in each area.
MeasureThis homeManassas 20112Prince William County
Estimated valuepricier than$340,673almost no homes4% of homes
Price per ft²pricier than$36581% of homes80% of homes
Living areabigger than933 ft²almost no homes4% of homes
Lot sizebigger than3,598 ft²8% of homes33% of homes
Year builtnewer than1935almost no homesalmost no homes

About 8421 Alpaugh St

How much is 8421 Alpaugh St, Manassas, VA worth?

The TopHap Estimate for 8421 Alpaugh St, Manassas, VA is $340,673 as of Sep 24, 2026. The likely range is $315,836 to $365,510. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8421 Alpaugh St, Manassas, VA last sell?

8421 Alpaugh St, Manassas, VA last sold on Dec 17, 2018, according to the county's recorded deed.

How big is 8421 Alpaugh St, Manassas, VA?

8421 Alpaugh St, Manassas, VA has 3 bedrooms, 1 bathrooms, 933 square feet of living space and a 0.08-acre lot.

When was 8421 Alpaugh St, Manassas, VA built?

8421 Alpaugh St, Manassas, VA was built in 1935, making it 91 years old. It is a rambler home. The building has 1 story.

What schools serve 8421 Alpaugh St, Manassas, VA?

8421 Alpaugh St, Manassas, VA is assigned to Bennett Elementary School (elementary), rated B+; Osbourn Park High School (high), rated C+; Parkside Middle School (middle), rated C-. All sit in Prince William County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8421 Alpaugh St, Manassas, VA compare to other homes in Manassas 20112?

Among the 9,448 homes in Manassas 20112, it is worth more than almost none of them ($340,673 against a typical $747,195), its price per square foot is higher than 81% of them ($365 against a typical $299), it is bigger than almost none of them (933 ft² against a typical 2,496 ft²), its lot is bigger than 8% of them (3,598 ft² against a typical 1 ac) and it is newer than almost none of them (1935 against a typical 1996). Measured against all of Prince William County, it is worth more than 4% 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 8421 Alpaugh St, Manassas, VA?

The 2024 property tax bill for 8421 Alpaugh St, Manassas, VA was $2,436. The county assessed it at $224,600.

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