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TownhouseResidential
$365,544$297 / 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 Oct 21, 2026
Last sold for $260,000 on Dec 2, 2004

8631 UNION PL

MANASSAS PARK, VA 20111
3
Beds
2.5
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.
1,786 ft²
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$366K
$347K low$384K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$260,000 · Dec 2, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$72 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$369,461 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$88,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$280,861
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$358,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$369,461

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyMANASSAS PARK CITY
Lot (acres)The size of the land the home sits on, from county records.0.04
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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 · 160 ft²Porch · 15 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.

M
Manassas Park Middle SchoolD+
Middle · Grades 6–8 · 0.8 mi
H
Manassas Park High SchoolC-
High · Grades 9–12 · 0.9 mi
E
Cougar Elementary School
Elementary · Grades PK–2 · 1.5 mi

District: Manassas Park City Public Schools

Neighborhood · ZIP 20111These 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.99
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 100.43

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
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.37,852
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,332 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,284
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,467
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

8631 Union Pl 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 86% of homes in Manassas 20111
  • Smaller than 74% of homes in Manassas 20111
  • Has a smaller lot than 82% of homes in Manassas Park

What homes are worth in Manassas 20111

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

This home
$180K$1M

This home is worth more than 14% of homes in Manassas 20111.

How it measures up in Manassas 20111

The dot is this home. The mark in the middle is the typical home in Manassas 20111.

Estimated value$365,544
CheaperTypical $527,432Pricier

Pricier than 14% of homes nearby

Price per ft²$297
CheaperTypical $315Pricier

Pricier than 39% of homes nearby

Living area1,232 ft²
SmallerTypical 1,618 ft²Bigger

Bigger than 26% of homes nearby

Lot size1,786 ft²
SmallerTypical 0.21 acBigger

Bigger than 18% of homes nearby

Year built1987
OlderTypical 1987Newer

Newer than 50% of homes nearby

How 8631 Union Pl ranks against every home in each area.
MeasureThis homeManassas ParkManassas 20111
Estimated valuepricier than$365,54418% of homes14% of homes
Price per ft²pricier than$29737% of homes39% of homes
Living areabigger than1,232 ft²32% of homes26% of homes
Lot sizebigger than1,786 ft²18% of homes18% of homes
Year builtnewer than198748% of homes50% of homes

About 8631 Union Pl

How much is 8631 Union Pl, Manassas Park, VA worth?

The TopHap Estimate for 8631 Union Pl, Manassas Park, VA is $365,544 as of Oct 21, 2026. The likely range is $347,071 to $384,017. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8631 Union Pl, Manassas Park, VA last sell?

8631 Union Pl, Manassas Park, VA last sold on Dec 2, 2004 for $260,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 8631 Union Pl, Manassas Park, VA?

8631 Union Pl, Manassas Park, VA has 3 bedrooms, 2.5 bathrooms, 1,232 square feet of living space and a 0.04-acre lot.

When was 8631 Union Pl, Manassas Park, VA built?

8631 Union Pl, Manassas Park, VA was built in 1987, making it 39 years old. It is a townhouse home.

What schools serve 8631 Union Pl, Manassas Park, VA?

8631 Union Pl, Manassas Park, VA is assigned to Manassas Park Middle School (middle), rated D+; Manassas Park High School (high), rated C-; Cougar Elementary School (elementary). All sit in Manassas Park City Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8631 Union Pl, Manassas Park, VA compare to other homes in Manassas 20111?

Among the 10,449 homes in Manassas 20111, it is worth more than 14% of them ($365,544 against a typical $527,432), its price per square foot is higher than 39% of them ($297 against a typical $315), it is bigger than 26% of them (1,232 ft² against a typical 1,618 ft²), its lot is bigger than 18% of them (1,786 ft² against a typical 0.21 ac) and it is newer than 50% of them (1987 against a typical 1987). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 8631 Union Pl, Manassas Park, VA?

The 2026 property tax bill for 8631 Union Pl, Manassas Park, VA was $72. The county assessed it at $369,461.

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