Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$642,769$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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $365,000 on Aug 23, 2016

12099 CORNWELL DR

MANASSAS, VA 20112
3
Beds
3
Baths
1,760 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.
1.06 ac
Lot SizeThe size of the land the home sits on, from county records.
1974
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$643K
$625K low$660K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$365,000 · Aug 23, 2016
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$82,769
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$66,215
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.91%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$450,000
INTERCOASTAL MORTGAGE · 3.25% · recorded Jul 16, 2021
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$110,000
DISCOVER BANK

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.$442,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$151,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$290,400
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.$442,300

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.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
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.
71
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.1.06
HeatingThe type of heating system in the home.Baseboard
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 · 336 ft²Patio · 336 ft²Porch · 150 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
Marshall Elementary SchoolA+
Elementary · Grades KG–5 · 0.9 mi
M
Benton Middle SchoolA-
Middle · Grades 6–8 · 2.7 mi
H
Charles J. Colgan Sr. High SchoolA-
High · Grades 9–12 · 3.0 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

12099 Cornwell 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.

  • Worth less than 69% of homes in Manassas 20112
  • Costs more per square foot than 79% of homes in Manassas 20112
  • Smaller than 75% of homes in Manassas 20112
  • Has a bigger lot than 90% of homes in Prince William County
  • Older than 88% of homes in Manassas 20112

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
$391K$1.2M

This home is worth more than 31% of 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$642,769
CheaperTypical $752,838Pricier

Pricier than 31% of homes nearby

Price per ft²$365
CheaperTypical $305Pricier

Pricier than 79% of homes nearby

Living area1,760 ft²
SmallerTypical 2,462 ft²Bigger

Bigger than 25% of homes nearby

Lot size1.06 ac
SmallerTypical 1 acBigger

Bigger than 62% of homes nearby

Year built1974
OlderTypical 1996Newer

Newer than 12% of homes nearby

How 12099 Cornwell Dr ranks against every home in each area.
MeasureThis homeManassas 20112Prince William County
Estimated valuepricier than$642,76931% of homes58% of homes
Price per ft²pricier than$36579% of homes77% of homes
Living areabigger than1,760 ft²25% of homes47% of homes
Lot sizebigger than1.06 ac62% of homes90% of homes
Year builtnewer than197412% of homes20% of homes

About 12099 Cornwell Dr

How much is 12099 Cornwell Dr, Manassas, VA worth?

The TopHap Estimate for 12099 Cornwell Dr, Manassas, VA is $642,769 as of Jul 14, 2026. The likely range is $625,488 to $660,050. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12099 Cornwell Dr, Manassas, VA last sell?

12099 Cornwell Dr, Manassas, VA last sold on Aug 23, 2016 for $365,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12099 Cornwell Dr, Manassas, VA?

12099 Cornwell Dr, Manassas, VA has 3 bedrooms, 3 bathrooms, 1,760 square feet of living space and a 1.06-acre lot.

When was 12099 Cornwell Dr, Manassas, VA built?

12099 Cornwell Dr, Manassas, VA was built in 1974, making it 52 years old. It is a rambler home. The building has 1 story.

What schools serve 12099 Cornwell Dr, Manassas, VA?

12099 Cornwell Dr, Manassas, VA is assigned to Marshall Elementary School (elementary), rated A+; Benton Middle School (middle), rated A-; Charles J. Colgan Sr. High School (high), rated A-. All sit in Prince William County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12099 Cornwell Dr, Manassas, VA compare to other homes in Manassas 20112?

Among the 9,443 homes in Manassas 20112, it is worth more than 31% of them ($642,769 against a typical $752,838), its price per square foot is higher than 79% of them ($365 against a typical $305), it is bigger than 25% of them (1,760 ft² against a typical 2,462 ft²), its lot is bigger than 62% of them (1.06 ac against a typical 1 ac) and it is newer than 12% of them (1974 against a typical 1996). Measured against all of Prince William County, it is worth more than 58% 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 12099 Cornwell Dr, Manassas, VA?

The 2024 property tax bill for 12099 Cornwell Dr, Manassas, VA was $4,145. The county assessed it at $442,300.

More homes on Cornwell Dr

Closest homes

More homes in Manassas 20112

Assigned schools

Explore the area

See this home in context

Open 12099 Cornwell Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map