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Rural ResidenceResidential
$855,986$237 / 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 Sep 24, 2026
Last sold for $542,000 on Sep 4, 2014

1510 RIVER WAY DR

KEYMAR, MD 21757
4.5
Baths
3,614 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.
21.97 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$856K
$826K low$886K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$542,000 · Sep 4, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,300 (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.$699,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$131,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$567,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$646,533
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$699,600

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.21.97
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
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.Garage, Attached
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.StableDeck · 456 ft²Shed · 1,296 ft²Porch · 408 ft²

Transaction History(1)

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
Elmer A. Wolfe Elementary SchoolC+
Elementary · Grades PK–5 · 7.4 mi
M
Northwest Middle SchoolA-
Middle · Grades 6–8 · 7.6 mi
H
Francis Scott Key High SchoolB+
High · Grades 9–12 · 9.3 mi

District: Carroll County Public Schools

Neighborhood · ZIP 21757These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.3,148
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.84 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,318
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,165
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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

1510 River Way 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.

  • Among the most valuable homes in Keymar 21757
  • Costs less per square foot than 73% of homes in Carroll County
  • Bigger than 96% of homes in Keymar 21757
  • Has a bigger lot than 98% of homes in Carroll County
  • Newer than 83% of homes in Keymar 21757

What homes are worth in Keymar 21757

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

This home
$187K$783K

This home is worth more than almost all homes in Keymar 21757.

How it measures up in Keymar 21757

The dot is this home. The mark in the middle is the typical home in Keymar 21757.

Estimated value$855,986
CheaperTypical $377,637Pricier

Pricier than almost all homes nearby

Price per ft²$237
CheaperTypical $225Pricier

Pricier than 60% of homes nearby

Living area3,614 ft²
SmallerTypical 1,732 ft²Bigger

Bigger than 96% of homes nearby

Lot size21.97 ac
SmallerTypical 1.57 acBigger

Bigger than 92% of homes nearby

Year built1995
OlderTypical 1968Newer

Newer than 83% of homes nearby

How 1510 River Way Dr ranks against every home in each area.
MeasureThis homeKeymar 21757Carroll County
Estimated valuepricier than$855,986almost all homes94% of homes
Price per ft²pricier than$23760% of homes27% of homes
Living areabigger than3,614 ft²96% of homes95% of homes
Lot sizebigger than21.97 ac92% of homes98% of homes
Year builtnewer than199583% of homes71% of homes

About 1510 River Way Dr

How much is 1510 River Way Dr, Keymar, MD worth?

The TopHap Estimate for 1510 River Way Dr, Keymar, MD is $855,986 as of Sep 24, 2026. The likely range is $826,187 to $885,785. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1510 River Way Dr, Keymar, MD last sell?

1510 River Way Dr, Keymar, MD last sold on Sep 4, 2014 for $542,000, according to the county's recorded deed.

How big is 1510 River Way Dr, Keymar, MD?

1510 River Way Dr, Keymar, MD has 4.5 bathrooms, 3,614 square feet of living space and a 21.97-acre lot.

When was 1510 River Way Dr, Keymar, MD built?

1510 River Way Dr, Keymar, MD was built in 1995, making it 31 years old. The building has 2 stories.

What schools serve 1510 River Way Dr, Keymar, MD?

1510 River Way Dr, Keymar, MD is assigned to Elmer A. Wolfe Elementary School (elementary), rated C+; Northwest Middle School (middle), rated A-; Francis Scott Key High School (high), rated B+. All sit in Carroll County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1510 River Way Dr, Keymar, MD compare to other homes in Keymar 21757?

Among the 908 homes in Keymar 21757, it is worth more than almost all of them ($855,986 against a typical $377,637), its price per square foot is higher than 60% of them ($237 against a typical $225), it is bigger than 96% of them (3,614 ft² against a typical 1,732 ft²), its lot is bigger than 92% of them (21.97 ac against a typical 1.57 ac) and it is newer than 83% of them (1995 against a typical 1968). Measured against all of Carroll County, it is worth more than 94% 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 1510 River Way Dr, Keymar, MD?

The 2025 property tax bill for 1510 River Way Dr, Keymar, MD was $7,300. The county assessed it at $699,600.

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