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Single Family ResidenceResidential
$756,965$199 / 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 95How 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 $439,118 on Jan 2, 2004

643 COLLEEN AVE

GAMBRILLS, MD 21054
3.5
Baths
3,800 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.
2004
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

$757K
$718K low$796K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$439,118 · Jan 2, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,909 (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.$689,033 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$652,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$761,500

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.5
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
9
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

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.Conventional
CountyANNE ARUNDEL
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.Central
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 · 320 ft²Shed · 240 ft²Patio · 440 ft²Porch · 689 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.

H
Arundel High SchoolA-
High · Grades 9–12 · 1.1 mi
M
Arundel Middle SchoolA+
Middle · Grades 6–8 · 1.3 mi
E
Waugh Chapel Elementary SchoolB
Elementary · Grades PK–5 · 1.6 mi

District: Anne Arundel County Public Schools

Neighborhood · ZIP 21054These 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.78
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 100.35

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.95%
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.4.4%
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.15,538
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.877 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$144,638
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,191
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

643 Colleen Ave 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 80% of homes in Anne Arundel County
  • Costs less per square foot than 95% of homes in Gambrills 21054
  • Bigger than 94% of homes in Anne Arundel County
  • Has a bigger lot than 71% of homes in Anne Arundel County
  • Newer than 83% of homes in Anne Arundel County

What homes are worth in Gambrills 21054

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

This home
$320K$1.2M

This home is worth more than 68% of homes in Gambrills 21054.

How it measures up in Gambrills 21054

The dot is this home. The mark in the middle is the typical home in Gambrills 21054.

Estimated value$756,965
CheaperTypical $615,371Pricier

Pricier than 68% of homes nearby

Price per ft²$199
CheaperTypical $261Pricier

Pricier than 5% of homes nearby

Living area3,800 ft²
SmallerTypical 2,310 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.34 ac
SmallerTypical 0.23 acBigger

Bigger than 62% of homes nearby

Year built2004
OlderTypical 1995Newer

Newer than 72% of homes nearby

How 643 Colleen Ave ranks against every home in each area.
MeasureThis homeGambrills 21054Anne Arundel County
Estimated valuepricier than$756,96568% of homes80% of homes
Price per ft²pricier than$1995% of homes8% of homes
Living areabigger than3,800 ft²84% of homes94% of homes
Lot sizebigger than0.34 ac62% of homes71% of homes
Year builtnewer than200472% of homes83% of homes

About 643 Colleen Ave

How much is 643 Colleen Ave, Gambrills, MD worth?

The TopHap Estimate for 643 Colleen Ave, Gambrills, MD is $756,965 as of Aug 30, 2026. The likely range is $718,340 to $795,590. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Colleen Ave, Gambrills, MD last sell?

643 Colleen Ave, Gambrills, MD last sold on Jan 2, 2004 for $439,118, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 643 Colleen Ave, Gambrills, MD?

643 Colleen Ave, Gambrills, MD has 3.5 bathrooms, 3,800 square feet of living space and a 0.34-acre lot.

When was 643 Colleen Ave, Gambrills, MD built?

643 Colleen Ave, Gambrills, MD was built in 2004, making it 22 years old. It is a conventional home. The building has 2 stories.

What schools serve 643 Colleen Ave, Gambrills, MD?

643 Colleen Ave, Gambrills, MD is assigned to Arundel High School (high), rated A-; Arundel Middle School (middle), rated A+; Waugh Chapel Elementary School (elementary), rated B. All sit in Anne Arundel County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 Colleen Ave, Gambrills, MD compare to other homes in Gambrills 21054?

Among the 4,913 homes in Gambrills 21054, it is worth more than 68% of them ($756,965 against a typical $615,371), its price per square foot is higher than 5% of them ($199 against a typical $261), it is bigger than 84% of them (3,800 ft² against a typical 2,310 ft²), its lot is bigger than 62% of them (0.34 ac against a typical 0.23 ac) and it is newer than 72% of them (2004 against a typical 1995). Measured against all of Anne Arundel County, it is worth more than 80% 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 643 Colleen Ave, Gambrills, MD?

The 2025 property tax bill for 643 Colleen Ave, Gambrills, MD was $5,909. The county assessed it at $689,033.

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