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Single Family ResidenceResidential
$784,517$271 / 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 94How 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
Last sold for $22,700 on May 5, 1987

4521 ALPINE ROSE BND

ELLICOTT CITY, MD 21042
2.5
Baths
2,900 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
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

$785K
$734K low$835K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$22,700 · May 5, 1987

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,687 (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.$696,933 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$660,367
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$733,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.72 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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.Split Level
CountyHOWARD
Lot (acres)The size of the land the home sits on, from county records.0.34
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
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 · 493 ft²Porch · 180 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
Northfield Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
M
Dunloggin Middle SchoolB
Middle · Grades 6–8 · 0.3 mi
H
Wilde Lake High SchoolB-
High · Grades 9–12 · 3.2 mi

District: Howard County Public Schools

Neighborhood · ZIP 21042These 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.48
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 100.37

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.9%
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.43,959
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,188 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$168,351
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$201,624
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%

Owner Tools

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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

4521 Alpine Rose Bnd 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 Dorsey's Search
  • Costs less per square foot than 90% of homes in Ellicott City 21042
  • Bigger than 95% of homes in Dorsey's Search
  • Has a smaller lot than 75% of homes in Ellicott City 21042

What homes are worth in Ellicott City 21042

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

This home
$350K$2M

This home is worth more than 49% of homes in Ellicott City 21042.

How it measures up in Ellicott City 21042

The dot is this home. The mark in the middle is the typical home in Ellicott City 21042.

Estimated value$784,517
CheaperTypical $789,398Pricier

Pricier than 49% of homes nearby

Price per ft²$271
CheaperTypical $326Pricier

Pricier than 10% of homes nearby

Living area2,900 ft²
SmallerTypical 2,416 ft²Bigger

Bigger than 69% of homes nearby

Lot size0.34 ac
SmallerTypical 0.47 acBigger

Bigger than 25% of homes nearby

Year built1987
OlderTypical 1987Newer

Newer than 50% of homes nearby

How 4521 Alpine Rose Bnd ranks against every home in each area.
MeasureThis homeDorsey's SearchEllicott City 21042Howard County
Estimated valuepricier than$784,51789% of homes49% of homes68% of homes
Price per ft²pricier than$27128% of homes10% of homes23% of homes
Living areabigger than2,900 ft²95% of homes69% of homes79% of homes
Lot sizebigger than0.34 ac38% of homes25% of homes51% of homes
Year builtnewer than198738% of homes50% of homes46% of homes

About 4521 Alpine Rose Bnd

How much is 4521 Alpine Rose Bnd, Ellicott City, MD worth?

The TopHap Estimate for 4521 Alpine Rose Bnd, Ellicott City, MD is $784,517 as of Jul 14, 2026. The likely range is $733,685 to $835,349. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4521 Alpine Rose Bnd, Ellicott City, MD last sell?

4521 Alpine Rose Bnd, Ellicott City, MD last sold on May 5, 1987 for $22,700, according to the county's recorded deed.

How big is 4521 Alpine Rose Bnd, Ellicott City, MD?

4521 Alpine Rose Bnd, Ellicott City, MD has 2.5 bathrooms, 2,900 square feet of living space and a 0.34-acre lot.

When was 4521 Alpine Rose Bnd, Ellicott City, MD built?

4521 Alpine Rose Bnd, Ellicott City, MD was built in 1987, making it 39 years old. It is a split level home. The building has 2 stories.

What schools serve 4521 Alpine Rose Bnd, Ellicott City, MD?

4521 Alpine Rose Bnd, Ellicott City, MD is assigned to Northfield Elementary School (elementary), rated A-; Dunloggin Middle School (middle), rated B; Wilde Lake High School (high), rated B-. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4521 Alpine Rose Bnd, Ellicott City, MD compare to other homes in Ellicott City 21042?

Among the 14,278 homes in Ellicott City 21042, it is worth more than 49% of them ($784,517 against a typical $789,398), its price per square foot is higher than 10% of them ($271 against a typical $326), it is bigger than 69% of them (2,900 ft² against a typical 2,416 ft²), its lot is bigger than 25% of them (0.34 ac against a typical 0.47 ac) and it is newer than 50% of them (1987 against a typical 1987). Measured against all of Howard County, it is worth more than 68% 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 4521 Alpine Rose Bnd, Ellicott City, MD?

The 2025 property tax bill for 4521 Alpine Rose Bnd, Ellicott City, MD was $8,687. The county assessed it at $696,933.

More homes on Alpine Rose Bnd

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