Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$728,854$220 / 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 92How 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 $39,000 on Jul 19, 1993

7721 RIVER ROCK CT

WILLIAMSPORT, MD 21795
2.5
Baths
3,309 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.
2.57 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$729K
$667K low$791K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$39,000 · Jul 19, 1993
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.$728,854
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$583,083

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,795 (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.$553,867 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$498,533
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$609,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.2.57
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Electric
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.Mixed
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.Shed · 448 ft²Porch · 687 ft²

Transaction History(3)

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
Fountain Rock Elementary SchoolB-
Elementary · Grades PK–5 · 3.5 mi
M
Springfield Middle SchoolC-
Middle · Grades 6–8 · 4.6 mi
H
Williamsport High SchoolB+
High · Grades 9–12 · 4.8 mi

District: Washington County Public Schools

Neighborhood · ZIP 21795These 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.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.9,713
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.296 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,054
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,699
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.40 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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

7721 River Rock Ct 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 98% of homes in Williamsport 21795
  • Bigger than 95% of homes in Williamsport 21795
  • Has a bigger lot than 87% of homes in Williamsport 21795
  • Newer than 75% of homes in Williamsport 21795

What homes are worth in Williamsport 21795

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

This home
$132K$736K

This home is worth more than 98% of homes in Williamsport 21795.

How it measures up in Williamsport 21795

The dot is this home. The mark in the middle is the typical home in Williamsport 21795.

Estimated value$728,854
CheaperTypical $322,164Pricier

Pricier than 98% of homes nearby

Price per ft²$220
CheaperTypical $209Pricier

Pricier than 61% of homes nearby

Living area3,309 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 95% of homes nearby

Lot size2.57 ac
SmallerTypical 0.4 acBigger

Bigger than 87% of homes nearby

Year built1994
OlderTypical 1969Newer

Newer than 75% of homes nearby

How 7721 River Rock Ct ranks against every home in each area.
MeasureThis homeWilliamsport 21795Washington County
Estimated valuepricier than$728,85498% of homes97% of homes
Price per ft²pricier than$22061% of homes62% of homes
Living areabigger than3,309 ft²95% of homes94% of homes
Lot sizebigger than2.57 ac87% of homes86% of homes
Year builtnewer than199475% of homes70% of homes

About 7721 River Rock Ct

How much is 7721 River Rock Ct, Williamsport, MD worth?

The TopHap Estimate for 7721 River Rock Ct, Williamsport, MD is $728,854 as of Jul 14, 2026. The likely range is $667,116 to $790,592. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 7721 River Rock Ct, Williamsport, MD last sell?

7721 River Rock Ct, Williamsport, MD last sold on Jul 19, 1993 for $39,000, according to the county's recorded deed.

How big is 7721 River Rock Ct, Williamsport, MD?

7721 River Rock Ct, Williamsport, MD has 2.5 bathrooms, 3,309 square feet of living space and a 2.57-acre lot.

When was 7721 River Rock Ct, Williamsport, MD built?

7721 River Rock Ct, Williamsport, MD was built in 1994, making it 32 years old. The building has 1 story.

What schools serve 7721 River Rock Ct, Williamsport, MD?

7721 River Rock Ct, Williamsport, MD is assigned to Fountain Rock Elementary School (elementary), rated B-; Springfield Middle School (middle), rated C-; Williamsport High School (high), rated B+. All sit in Washington County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 7721 River Rock Ct, Williamsport, MD compare to other homes in Williamsport 21795?

Among the 3,124 homes in Williamsport 21795, it is worth more than 98% of them ($728,854 against a typical $322,164), its price per square foot is higher than 61% of them ($220 against a typical $209), it is bigger than 95% of them (3,309 ft² against a typical 1,560 ft²), its lot is bigger than 87% of them (2.57 ac against a typical 0.4 ac) and it is newer than 75% of them (1994 against a typical 1969). Measured against all of Washington County, it is worth more than 97% 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 7721 River Rock Ct, Williamsport, MD?

The 2025 property tax bill for 7721 River Rock Ct, Williamsport, MD was $5,795. The county assessed it at $553,867.

More homes on River Rock Ct

Closest homes

More homes in Williamsport 21795

Assigned schools

Explore the area

See this home in context

Open 7721 River Rock Ct 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