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Single Family ResidenceResidential
$1,158,184$274 / 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 96How 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 $830,000 on Aug 6, 2018

21 HENDERSON HILL CT

MONKTON, MD 21111
5 / 1
Baths
4,227 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.
1.96 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
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

$1.2M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$830,000 · Aug 6, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,149 (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.$914,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$197,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$717,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$876,367
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$914,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.1.96
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 508 ft²Patio · 288 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
Hereford Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
H
Hereford High SchoolA-
High · Grades 9–12 · 1.3 mi
E
Sparks Elementary SchoolA+
Elementary · Grades PK–5 · 2.7 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21111These 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.50
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.5,584
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.161 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,226
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$164,963
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

21 Henderson Hill 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 Baltimore County
  • Costs more per square foot than 75% of homes in Baltimore County
  • Bigger than 97% of homes in Baltimore County
  • Has a bigger lot than 94% of homes in Baltimore County
  • Newer than 80% of homes in Baltimore County

What homes are worth in Monkton 21111

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

This home
$307K$1.9M

This home is worth more than 89% of homes in Monkton 21111.

How it measures up in Monkton 21111

The dot is this home. The mark in the middle is the typical home in Monkton 21111.

Estimated value$1,158,184
CheaperTypical $726,282Pricier

Pricier than 89% of homes nearby

Price per ft²$274
CheaperTypical $290Pricier

Pricier than 38% of homes nearby

Living area4,227 ft²
SmallerTypical 2,520 ft²Bigger

Bigger than 89% of homes nearby

Lot size1.96 ac
SmallerTypical 2.23 acBigger

Bigger than 42% of homes nearby

Year built1993
OlderTypical 1979Newer

Newer than 76% of homes nearby

How 21 Henderson Hill Ct ranks against every home in each area.
MeasureThis homeMonkton 21111Baltimore County
Estimated valuepricier than$1,158,18489% of homes98% of homes
Price per ft²pricier than$27438% of homes75% of homes
Living areabigger than4,227 ft²89% of homes97% of homes
Lot sizebigger than1.96 ac42% of homes94% of homes
Year builtnewer than199376% of homes80% of homes

About 21 Henderson Hill Ct

How much is 21 Henderson Hill Ct, Monkton, MD worth?

The TopHap Estimate for 21 Henderson Hill Ct, Monkton, MD is $1,158,184 as of Sep 24, 2026. The likely range is $1,114,637 to $1,201,731. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Henderson Hill Ct, Monkton, MD last sell?

21 Henderson Hill Ct, Monkton, MD last sold on Aug 6, 2018 for $830,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Henderson Hill Ct, Monkton, MD?

21 Henderson Hill Ct, Monkton, MD has 5 bathrooms, 4,227 square feet of living space and a 1.96-acre lot.

When was 21 Henderson Hill Ct, Monkton, MD built?

21 Henderson Hill Ct, Monkton, MD was built in 1993, making it 33 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Henderson Hill Ct, Monkton, MD?

21 Henderson Hill Ct, Monkton, MD is assigned to Hereford Middle School (middle), rated A; Hereford High School (high), rated A-; Sparks Elementary School (elementary), rated A+. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Henderson Hill Ct, Monkton, MD compare to other homes in Monkton 21111?

Among the 1,831 homes in Monkton 21111, it is worth more than 89% of them ($1,158,184 against a typical $726,282), its price per square foot is higher than 38% of them ($274 against a typical $290), it is bigger than 89% of them (4,227 ft² against a typical 2,520 ft²), its lot is bigger than 42% of them (1.96 ac against a typical 2.23 ac) and it is newer than 76% of them (1993 against a typical 1979). Measured against all of Baltimore County, it is worth more than 98% 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 21 Henderson Hill Ct, Monkton, MD?

The 2025 property tax bill for 21 Henderson Hill Ct, Monkton, MD was $11,149. The county assessed it at $914,900.

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