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Single Family ResidenceResidential
$537,918$439 / 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 95How 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 $33,900 on Aug 1, 1971

9727 LOUDOUN AVE

MANASSAS, VA 20109
4
Beds
3 / 1
Baths
1,224 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
2
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$538K
$511K low$564K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$33,900 · Aug 1, 1971

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,145 (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.$433,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$292,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$416,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$433,200

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
77
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
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.Split Level
CountyPrince William
Lot (acres)The size of the land the home sits on, from county records.0.23
HeatingThe type of heating system in the home.Hot Water
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.Deck · 800 ft²Patio · 992 ft²Porch · 24 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Sudley Elementary SchoolD-
Elementary · Grades PK–5 · 0.5 mi
M
Unity Braxton Middle SchoolD-
Middle · Grades 6–8 · 0.5 mi
H
Unity Reed High SchoolF
High · Grades 9–12 · 1.8 mi

District: Prince William County Public Schools

Neighborhood · ZIP 20109These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.44,389
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,110 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,872
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,871
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

9727 Loudoun Ave 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 76% of homes in Manassas 20109
  • Costs more per square foot than 92% of homes in Manassas 20109
  • Smaller than 84% of homes in Prince William County
  • Has a bigger lot than 75% of homes in Manassas 20109
  • Older than 92% of homes in Prince William County

What homes are worth in Manassas 20109

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

This home
$245K$798K

This home is worth more than 76% of homes in Manassas 20109.

How it measures up in Manassas 20109

The dot is this home. The mark in the middle is the typical home in Manassas 20109.

Estimated value$537,918
CheaperTypical $455,937Pricier

Pricier than 76% of homes nearby

Price per ft²$439
CheaperTypical $310Pricier

Pricier than 92% of homes nearby

Living area1,224 ft²
SmallerTypical 1,370 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.23 ac
SmallerTypical 2,134 ft²Bigger

Bigger than 75% of homes nearby

Year built1966
OlderTypical 1986Newer

Newer than 10% of homes nearby

How 9727 Loudoun Ave ranks against every home in each area.
MeasureThis homeManassas 20109Prince William County
Estimated valuepricier than$537,91876% of homes42% of homes
Price per ft²pricier than$43992% of homes92% of homes
Living areabigger than1,224 ft²26% of homes16% of homes
Lot sizebigger than0.23 ac75% of homes55% of homes
Year builtnewer than196610% of homes8% of homes

About 9727 Loudoun Ave

How much is 9727 Loudoun Ave, Manassas, VA worth?

The TopHap Estimate for 9727 Loudoun Ave, Manassas, VA is $537,918 as of Sep 24, 2026. The likely range is $511,438 to $564,398. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9727 Loudoun Ave, Manassas, VA last sell?

9727 Loudoun Ave, Manassas, VA last sold on Aug 1, 1971 for $33,900, according to the county's recorded deed.

How big is 9727 Loudoun Ave, Manassas, VA?

9727 Loudoun Ave, Manassas, VA has 4 bedrooms, 3 bathrooms, 1,224 square feet of living space and a 0.23-acre lot.

When was 9727 Loudoun Ave, Manassas, VA built?

9727 Loudoun Ave, Manassas, VA was built in 1966, making it 60 years old. It is a split level home. The building has 2 stories.

What schools serve 9727 Loudoun Ave, Manassas, VA?

9727 Loudoun Ave, Manassas, VA is assigned to Sudley Elementary School (elementary), rated D-; Unity Braxton Middle School (middle), rated D-; Unity Reed High School (high), rated F. All sit in Prince William County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9727 Loudoun Ave, Manassas, VA compare to other homes in Manassas 20109?

Among the 8,956 homes in Manassas 20109, it is worth more than 76% of them ($537,918 against a typical $455,937), its price per square foot is higher than 92% of them ($439 against a typical $310), it is bigger than 26% of them (1,224 ft² against a typical 1,370 ft²), its lot is bigger than 75% of them (0.23 ac against a typical 2,134 ft²) and it is newer than 10% of them (1966 against a typical 1986). Measured against all of Prince William 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 9727 Loudoun Ave, Manassas, VA?

The 2024 property tax bill for 9727 Loudoun Ave, Manassas, VA was $4,145. The county assessed it at $433,200.

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