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Single Family ResidenceResidential
$752,370$222 / 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 Sep 24, 2026
Last sold for $52,000 on Aug 28, 1987

227 ROLLING KNOLL DR

BEL AIR, MD 21014
2.5
Baths
3,388 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.
0.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$752K
$689K low$816K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$52,000 · Aug 28, 1987

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,344 (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.$582,067 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$573,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$599,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHARFORD
Lot (acres)The size of the land the home sits on, from county records.0.98
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.In-Ground Vinyl Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 460 ft²Porch · 294 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.

M
Patterson Mill Middle SchoolA-
Middle · Grades 6–8 · 0.7 mi
H
Patterson Mill High SchoolB
High · Grades 9–12 · 0.7 mi
E
Ring Factory Elementary SchoolA
Elementary · Grades PK–5 · 0.9 mi

District: Harford County Public Schools

Neighborhood · ZIP 21014These 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.93
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 100.55

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
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.38,636
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,732 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,745
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,331
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

227 Rolling Knoll 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 more than 96% of homes in Bel Air 21014
  • Costs less per square foot than 80% of homes in Bel Air 21014
  • Bigger than 97% of homes in Bel Air 21014
  • Has a bigger lot than 84% of homes in Bel Air 21014

What homes are worth in Bel Air 21014

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

This home
$172K$779K

This home is worth more than 96% of homes in Bel Air 21014.

How it measures up in Bel Air 21014

The dot is this home. The mark in the middle is the typical home in Bel Air 21014.

Estimated value$752,370
CheaperTypical $452,880Pricier

Pricier than 96% of homes nearby

Price per ft²$222
CheaperTypical $250Pricier

Pricier than 20% of homes nearby

Living area3,388 ft²
SmallerTypical 1,749 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.98 ac
SmallerTypical 0.27 acBigger

Bigger than 84% of homes nearby

Year built1988
OlderTypical 1987Newer

Newer than 55% of homes nearby

How 227 Rolling Knoll Dr ranks against every home in each area.
MeasureThis homeBel Air 21014Harford County
Estimated valuepricier than$752,37096% of homes93% of homes
Price per ft²pricier than$22220% of homes35% of homes
Living areabigger than3,388 ft²97% of homes94% of homes
Lot sizebigger than0.98 ac84% of homes74% of homes
Year builtnewer than198855% of homes50% of homes

About 227 Rolling Knoll Dr

How much is 227 Rolling Knoll Dr, Bel Air, MD worth?

The TopHap Estimate for 227 Rolling Knoll Dr, Bel Air, MD is $752,370 as of Sep 24, 2026. The likely range is $688,795 to $815,945. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 227 Rolling Knoll Dr, Bel Air, MD last sell?

227 Rolling Knoll Dr, Bel Air, MD last sold on Aug 28, 1987 for $52,000, according to the county's recorded deed.

How big is 227 Rolling Knoll Dr, Bel Air, MD?

227 Rolling Knoll Dr, Bel Air, MD has 2.5 bathrooms, 3,388 square feet of living space and a 0.98-acre lot.

When was 227 Rolling Knoll Dr, Bel Air, MD built?

227 Rolling Knoll Dr, Bel Air, MD was built in 1988, making it 38 years old. The building has 2 stories.

What schools serve 227 Rolling Knoll Dr, Bel Air, MD?

227 Rolling Knoll Dr, Bel Air, MD is assigned to Patterson Mill Middle School (middle), rated A-; Patterson Mill High School (high), rated B; Ring Factory Elementary School (elementary), rated A. All sit in Harford County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 227 Rolling Knoll Dr, Bel Air, MD compare to other homes in Bel Air 21014?

Among the 13,318 homes in Bel Air 21014, it is worth more than 96% of them ($752,370 against a typical $452,880), its price per square foot is higher than 20% of them ($222 against a typical $250), it is bigger than 97% of them (3,388 ft² against a typical 1,749 ft²), its lot is bigger than 84% of them (0.98 ac against a typical 0.27 ac) and it is newer than 55% of them (1988 against a typical 1987). Measured against all of Harford County, it is worth more than 93% 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 227 Rolling Knoll Dr, Bel Air, MD?

The 2026 property tax bill for 227 Rolling Knoll Dr, Bel Air, MD was $6,344. The county assessed it at $582,067.

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