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TownhouseResidential
$297,821$207 / 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 91How 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

3639 WATERWHEEL SQ

RANDALLSTOWN, MD 21133
4 / 2
Baths
1,440 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.
4,290 ft²
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$298K
$270K low$326K 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.$252,821
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$202,257
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.15%
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.$45,000
ROCKET MORTGAGE LLC · 6% 2 · recorded Apr 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,786 (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.$235,767 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$219,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$267,700

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.0.10
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
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 · 120 ft²Patio · 80 ft²Porch · 80 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
Hernwood Elementary SchoolB-
Elementary · Grades PK–5 · 0.8 mi
M
Deer Park Middle SchoolD+
Middle · Grades 6–8 · 1.1 mi
H
New Town High SchoolC
High · Grades 9–12 · 2.2 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

3639 Waterwheel Sq 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 less than 84% of homes in Randallstown 21133
  • Costs less per square foot than 71% of homes in Randallstown 21133
  • Has a smaller lot than 79% of homes in Randallstown 21133

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
$249K$668K

This home is worth more than 16% 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$297,821
CheaperTypical $368,324Pricier

Pricier than 16% of homes nearby

Price per ft²$207
CheaperTypical $230Pricier

Pricier than 29% of homes nearby

Living area1,440 ft²
SmallerTypical 1,548 ft²Bigger

Bigger than 40% of homes nearby

Lot size4,290 ft²
SmallerTypical 0.2 acBigger

Bigger than 21% of homes nearby

Year built1980
OlderTypical 1972Newer

Newer than 60% of homes nearby

How 3639 Waterwheel Sq ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$297,82116% of homes32% of homes
Price per ft²pricier than$20729% of homes31% of homes
Living areabigger than1,440 ft²40% of homes49% of homes
Lot sizebigger than4,290 ft²21% of homes32% of homes
Year builtnewer than198060% of homes64% of homes

About 3639 Waterwheel Sq

How much is 3639 Waterwheel Sq, Randallstown, MD worth?

The TopHap Estimate for 3639 Waterwheel Sq, Randallstown, MD is $297,821 as of Jul 14, 2026. The likely range is $269,728 to $325,914. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3639 Waterwheel Sq, Randallstown, MD last sell?

3639 Waterwheel Sq, Randallstown, MD last sold on Mar 19, 1985, according to the county's recorded deed.

How big is 3639 Waterwheel Sq, Randallstown, MD?

3639 Waterwheel Sq, Randallstown, MD has 4 bathrooms, 1,440 square feet of living space and a 0.10-acre lot.

When was 3639 Waterwheel Sq, Randallstown, MD built?

3639 Waterwheel Sq, Randallstown, MD was built in 1980, making it 46 years old. It is a townhouse home. The building has 2 stories.

What schools serve 3639 Waterwheel Sq, Randallstown, MD?

3639 Waterwheel Sq, Randallstown, MD is assigned to Hernwood Elementary School (elementary), rated B-; Deer Park Middle School (middle), rated D+; New Town High School (high), rated C. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3639 Waterwheel Sq, Randallstown, MD compare to other homes in Randallstown 21133?

Among the 8,731 homes in Randallstown 21133, it is worth more than 16% of them ($297,821 against a typical $368,324), its price per square foot is higher than 29% of them ($207 against a typical $230), it is bigger than 40% of them (1,440 ft² against a typical 1,548 ft²), its lot is bigger than 21% of them (4,290 ft² against a typical 0.2 ac) and it is newer than 60% of them (1980 against a typical 1972). Measured against all of Baltimore County, it is worth more than 32% 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 3639 Waterwheel Sq, Randallstown, MD?

The 2025 property tax bill for 3639 Waterwheel Sq, Randallstown, MD was $3,786. The county assessed it at $235,767.

Closest homes

More homes in Randallstown 21133

Assigned schools

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