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Single Family ResidenceResidential
$469,921$211 / 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 Jul 14, 2026

4120 WINDMILL CIR

RANDALLSTOWN, MD 21133
3 / 1
Baths
2,228 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.
0.2 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.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$470K
$451K low$488K high
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.$121,590
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$97,272
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.75%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$348,331
DIRECT MORTGAGE INVESTORS INC · recorded Dec 20, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,574 (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.$344,967 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$311,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$412,300

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.0.20
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.Deck · 200 ft²Porch · 78 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
Winand Elementary SchoolB
Elementary · Grades EE–5 · 0.7 mi
M
Northwest Academy of Health Sciences SchoolD+
Middle · Grades 6–8 · 1.3 mi
H
Randallstown High SchoolD
High · Grades 9–12 · 1.4 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21133These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.27,963
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,709 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,976
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,908
Average tempThe average temperature here across a full year.54°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%

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

4120 Windmill Cir 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 89% of homes in Randallstown 21133
  • Costs less per square foot than 67% of homes in Randallstown 21133
  • Bigger than 87% of homes in Randallstown 21133
  • Newer than 77% of homes in Baltimore County

What homes are worth in Randallstown 21133

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

This home
$251K$698K

This home is worth more than 89% of homes in Randallstown 21133.

How it measures up in Randallstown 21133

The dot is this home. The mark in the middle is the typical home in Randallstown 21133.

Estimated value$469,921
CheaperTypical $367,842Pricier

Pricier than 89% of homes nearby

Price per ft²$211
CheaperTypical $230Pricier

Pricier than 33% of homes nearby

Living area2,228 ft²
SmallerTypical 1,548 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.2 ac
SmallerTypical 0.2 acBigger

Bigger than 52% of homes nearby

Year built1991
OlderTypical 1972Newer

Newer than 75% of homes nearby

How 4120 Windmill Cir ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$469,92189% of homes72% of homes
Price per ft²pricier than$21133% of homes34% of homes
Living areabigger than2,228 ft²87% of homes80% of homes
Lot sizebigger than0.2 ac52% of homes60% of homes
Year builtnewer than199175% of homes77% of homes

About 4120 Windmill Cir

How much is 4120 Windmill Cir, Randallstown, MD worth?

The TopHap Estimate for 4120 Windmill Cir, Randallstown, MD is $469,921 as of Jul 14, 2026. The likely range is $451,377 to $488,465. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4120 Windmill Cir, Randallstown, MD last sell?

4120 Windmill Cir, Randallstown, MD last sold on Jan 11, 2008, according to the county's recorded deed.

How big is 4120 Windmill Cir, Randallstown, MD?

4120 Windmill Cir, Randallstown, MD has 3 bathrooms, 2,228 square feet of living space and a 0.20-acre lot.

When was 4120 Windmill Cir, Randallstown, MD built?

4120 Windmill Cir, Randallstown, MD was built in 1991, making it 35 years old. It is a conventional home. The building has 2 stories.

What schools serve 4120 Windmill Cir, Randallstown, MD?

4120 Windmill Cir, Randallstown, MD is assigned to Winand Elementary School (elementary), rated B; Northwest Academy of Health Sciences School (middle), rated D+; Randallstown High School (high), rated D. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4120 Windmill Cir, Randallstown, MD compare to other homes in Randallstown 21133?

Among the 8,731 homes in Randallstown 21133, it is worth more than 89% of them ($469,921 against a typical $367,842), its price per square foot is higher than 33% of them ($211 against a typical $230), it is bigger than 87% of them (2,228 ft² against a typical 1,548 ft²), its lot is bigger than 52% of them (0.2 ac against a typical 0.2 ac) and it is newer than 75% of them (1991 against a typical 1972). Measured against all of Baltimore County, it is worth more than 72% 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 4120 Windmill Cir, Randallstown, MD?

The 2025 property tax bill for 4120 Windmill Cir, Randallstown, MD was $5,574. The county assessed it at $344,967.

Closest homes

More homes in Randallstown 21133

Assigned schools

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