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Single Family ResidenceResidential
$647,827$964 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

99 GROFF FARM LN

CONOWINGO, MD 21918
1
Baths
672 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.
4.71 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$648K
$583K low$713K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,211 (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.$504,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$118,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$386,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$473,633
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$504,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCECIL
Lot (acres)The size of the land the home sits on, from county records.4.71
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.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.StablePatio · 200 ft²Porch · 448 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
Conowingo Elementary SchoolB
Elementary · Grades PK–5 · 3.2 mi
H
Perryville High SchoolB
High · Grades 9–12 · 5.0 mi
M
Perryville Middle SchoolC
Middle · Grades 6–8 · 5.6 mi

District: Cecil County Public Schools

Neighborhood · ZIP 21918These 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.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.9.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
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.4,371
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.226 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,570
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,724
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

99 Groff Farm Ln 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 94% of homes in Conowingo 21918
  • Among the highest price per square foot in Conowingo 21918
  • Among the smallest homes in Conowingo 21918
  • Has a bigger lot than 92% of homes in Cecil County

What homes are worth in Conowingo 21918

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

This home
$184K$788K

This home is worth more than 94% of homes in Conowingo 21918.

How it measures up in Conowingo 21918

The dot is this home. The mark in the middle is the typical home in Conowingo 21918.

Estimated value$647,827
CheaperTypical $390,892Pricier

Pricier than 94% of homes nearby

Price per ft²$964
CheaperTypical $266Pricier

Pricier than almost all homes nearby

Living area672 ft²
SmallerTypical 1,440 ft²Bigger

Smaller than almost all homes nearby

Lot size4.71 ac
SmallerTypical 1.14 acBigger

Bigger than 84% of homes nearby

Year built1991
OlderTypical 1988Newer

Newer than 62% of homes nearby

How 99 Groff Farm Ln ranks against every home in each area.
MeasureThis homeConowingo 21918Cecil County
Estimated valuepricier than$647,82794% of homes92% of homes
Price per ft²pricier than$964almost all homesalmost all homes
Living areabigger than672 ft²almost no homesalmost no homes
Lot sizebigger than4.71 ac84% of homes92% of homes
Year builtnewer than199162% of homes58% of homes

About 99 Groff Farm Ln

How much is 99 Groff Farm Ln, Conowingo, MD worth?

The TopHap Estimate for 99 Groff Farm Ln, Conowingo, MD is $647,827 as of Aug 30, 2026. The likely range is $582,662 to $712,992. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 99 Groff Farm Ln, Conowingo, MD last sell?

99 Groff Farm Ln, Conowingo, MD last sold on May 28, 2002, according to the county's recorded deed.

How big is 99 Groff Farm Ln, Conowingo, MD?

99 Groff Farm Ln, Conowingo, MD has 1 bathrooms, 672 square feet of living space and a 4.71-acre lot.

When was 99 Groff Farm Ln, Conowingo, MD built?

99 Groff Farm Ln, Conowingo, MD was built in 1991, making it 35 years old. The building has 1 story.

What schools serve 99 Groff Farm Ln, Conowingo, MD?

99 Groff Farm Ln, Conowingo, MD is assigned to Conowingo Elementary School (elementary), rated B; Perryville High School (high), rated B; Perryville Middle School (middle), rated C. All sit in Cecil County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 99 Groff Farm Ln, Conowingo, MD compare to other homes in Conowingo 21918?

Among the 1,400 homes in Conowingo 21918, it is worth more than 94% of them ($647,827 against a typical $390,892), its price per square foot is higher than almost all of them ($964 against a typical $266), it is bigger than almost none of them (672 ft² against a typical 1,440 ft²), its lot is bigger than 84% of them (4.71 ac against a typical 1.14 ac) and it is newer than 62% of them (1991 against a typical 1988). Measured against all of Cecil County, it is worth more than 92% 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 99 Groff Farm Ln, Conowingo, MD?

The 2026 property tax bill for 99 Groff Farm Ln, Conowingo, MD was $5,211. The county assessed it at $504,500.

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