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Single Family ResidenceResidential
$1,121,590$428 / 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 97How 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
Last sold for $950,000 on May 20, 2015

3330 ROSEMARY LN

WEST FRIENDSHIP, MD 21794
2.5
Baths
2,620 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.
3.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$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.$950,000 · May 20, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,033 (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.$1,140,500 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,086,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,194,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHOWARD
Lot (acres)The size of the land the home sits on, from county records.3.10
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.Baseboard
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, Detached
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.Porch · 1,364 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.

E
Triadelphia Ridge Elementary SchoolA-
Elementary · Grades PK–5 · 1.3 mi
M
Folly Quarter Middle SchoolA
Middle · Grades 6–8 · 1.5 mi
H
Glenelg High SchoolA+
High · Grades 9–12 · 2.2 mi

District: Howard County Public Schools

Neighborhood · ZIP 21794These 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.39
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
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.3,276
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.376 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$179,119
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$244,245
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

3330 Rosemary 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 91% of homes in Howard County
  • Costs more per square foot than 96% of homes in Howard County
  • Smaller than 72% of homes in West Friendship 21794
  • Has a bigger lot than 91% of homes in Howard County
  • Older than 91% of homes in Howard County

What homes are worth in West Friendship 21794

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

This home
$500K$1.8M

This home is worth more than 56% of homes in West Friendship 21794.

How it measures up in West Friendship 21794

The dot is this home. The mark in the middle is the typical home in West Friendship 21794.

Estimated value$1,121,590
CheaperTypical $1,078,395Pricier

Pricier than 56% of homes nearby

Price per ft²$428
CheaperTypical $330Pricier

Pricier than 92% of homes nearby

Living area2,620 ft²
SmallerTypical 3,285 ft²Bigger

Bigger than 28% of homes nearby

Lot size3.1 ac
SmallerTypical 2.37 acBigger

Bigger than 64% of homes nearby

Year built1965
OlderTypical 1995Newer

Newer than 11% of homes nearby

How 3330 Rosemary Ln ranks against every home in each area.
MeasureThis homeWest Friendship 21794Howard County
Estimated valuepricier than$1,121,59056% of homes91% of homes
Price per ft²pricier than$42892% of homes96% of homes
Living areabigger than2,620 ft²28% of homes72% of homes
Lot sizebigger than3.1 ac64% of homes91% of homes
Year builtnewer than196511% of homes9% of homes

About 3330 Rosemary Ln

How much is 3330 Rosemary Ln, West Friendship, MD worth?

The TopHap Estimate for 3330 Rosemary Ln, West Friendship, MD is $1,121,590 as of Aug 30, 2026. The likely range is $1,092,581 to $1,150,599. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3330 Rosemary Ln, West Friendship, MD last sell?

3330 Rosemary Ln, West Friendship, MD last sold on May 20, 2015 for $950,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3330 Rosemary Ln, West Friendship, MD?

3330 Rosemary Ln, West Friendship, MD has 2.5 bathrooms, 2,620 square feet of living space and a 3.10-acre lot.

When was 3330 Rosemary Ln, West Friendship, MD built?

3330 Rosemary Ln, West Friendship, MD was built in 1965, making it 61 years old. The building has 2 stories.

What schools serve 3330 Rosemary Ln, West Friendship, MD?

3330 Rosemary Ln, West Friendship, MD is assigned to Triadelphia Ridge Elementary School (elementary), rated A-; Folly Quarter Middle School (middle), rated A; Glenelg High School (high), rated A+. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3330 Rosemary Ln, West Friendship, MD compare to other homes in West Friendship 21794?

Among the 833 homes in West Friendship 21794, it is worth more than 56% of them ($1,121,590 against a typical $1,078,395), its price per square foot is higher than 92% of them ($428 against a typical $330), it is bigger than 28% of them (2,620 ft² against a typical 3,285 ft²), its lot is bigger than 64% of them (3.1 ac against a typical 2.37 ac) and it is newer than 11% of them (1965 against a typical 1995). Measured against all of Howard County, it is worth more than 91% 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 3330 Rosemary Ln, West Friendship, MD?

The 2026 property tax bill for 3330 Rosemary Ln, West Friendship, MD was $16,033. The county assessed it at $1,140,500.

More homes on Rosemary Ln

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