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Single Family ResidenceResidential
$509,933$246 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

171 GAMBRILLS RD

SEVERN, MD 21144
1.5
Baths
2,074 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.
2.66 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$510K
$471K low$549K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,064 (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.$500,367 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$475,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$550,100

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.6
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
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
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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.Shed · 448 ft²Porch · 336 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
Millersville Elementary SchoolA-
Elementary · Grades KG–5 · 2.3 mi
H
Severn Run High SchoolC
High · Grades 9–12 · 2.6 mi
M
Old Mill Middle North SchoolC
Middle · Grades 6–8 · 3.0 mi

District: Anne Arundel County Public Schools

Neighborhood · ZIP 21144These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.39

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.37,584
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,366 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$131,042
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,962
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

171 Gambrills Rd 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.

  • Costs less per square foot than 67% of homes in Anne Arundel County
  • Has a bigger lot than 97% of homes in Severn 21144
  • Older than 73% of homes in Severn 21144

What homes are worth in Severn 21144

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

This home
$200K$876K

This home is worth more than 51% of homes in Severn 21144.

How it measures up in Severn 21144

The dot is this home. The mark in the middle is the typical home in Severn 21144.

Estimated value$509,933
CheaperTypical $508,346Pricier

Pricier than 51% of homes nearby

Price per ft²$246
CheaperTypical $249Pricier

Pricier than 48% of homes nearby

Living area2,074 ft²
SmallerTypical 2,000 ft²Bigger

Bigger than 53% of homes nearby

Lot size2.66 ac
SmallerTypical 0.22 acBigger

Bigger than 97% of homes nearby

Year built1975
OlderTypical 1991Newer

Newer than 27% of homes nearby

How 171 Gambrills Rd ranks against every home in each area.
MeasureThis homeSevern 21144Anne Arundel County
Estimated valuepricier than$509,93351% of homes52% of homes
Price per ft²pricier than$24648% of homes33% of homes
Living areabigger than2,074 ft²53% of homes61% of homes
Lot sizebigger than2.66 ac97% of homes96% of homes
Year builtnewer than197527% of homes40% of homes

About 171 Gambrills Rd

How much is 171 Gambrills Rd, Severn, MD worth?

The TopHap Estimate for 171 Gambrills Rd, Severn, MD is $509,933 as of Oct 21, 2026. The likely range is $470,919 to $548,947. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 171 Gambrills Rd, Severn, MD last sell?

171 Gambrills Rd, Severn, MD last sold on Dec 31, 2007, according to the county's recorded deed.

How big is 171 Gambrills Rd, Severn, MD?

171 Gambrills Rd, Severn, MD has 1.5 bathrooms and 2,074 square feet of living space.

When was 171 Gambrills Rd, Severn, MD built?

171 Gambrills Rd, Severn, MD was built in 1975, making it 51 years old. It is a conventional home. The building has 1 story.

What schools serve 171 Gambrills Rd, Severn, MD?

171 Gambrills Rd, Severn, MD is assigned to Millersville Elementary School (elementary), rated A-; Severn Run High School (high), rated C; Old Mill Middle North School (middle), rated C. All sit in Anne Arundel County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 171 Gambrills Rd, Severn, MD compare to other homes in Severn 21144?

Among the 11,672 homes in Severn 21144, it is worth more than 51% of them ($509,933 against a typical $508,346), its price per square foot is higher than 48% of them ($246 against a typical $249), it is bigger than 53% of them (2,074 ft² against a typical 2,000 ft²), its lot is bigger than 97% of them (2.66 ac against a typical 0.22 ac) and it is newer than 27% of them (1975 against a typical 1991). Measured against all of Anne Arundel County, it is worth more than 52% 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 171 Gambrills Rd, Severn, MD?

The 2025 property tax bill for 171 Gambrills Rd, Severn, MD was $4,064. The county assessed it at $500,367.

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