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TownhouseResidential
$595,971$298 / 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 Aug 30, 2026
Last sold for $550,000 on May 31, 2024

306 HELMSMAN ALY

ANNAPOLIS, MD 21401
3 / 2
Baths
2,000 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.
1,280 ft²
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$596K
$560K low$631K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · May 31, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,318 (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.$474,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$210,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$264,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$455,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$474,600

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.20
72
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.47 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyANNE ARUNDEL
Lot (acres)The size of the land the home sits on, from county records.0.03
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
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, 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 · 108 ft²

Transaction History(4)

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
Annapolis High SchoolC
High · Grades 9–12 · 1.1 mi
E
Rolling Knolls Elementary SchoolA-
Elementary · Grades PK–5 · 2.0 mi
M
Wiley H. Bates Middle SchoolC+
Middle · Grades 6–8 · 2.2 mi

District: Anne Arundel County Public Schools

Neighborhood · ZIP 21401These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.39,516
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,752 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,570
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,167
Average tempThe average temperature here across a full year.57°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

306 Helmsman Aly 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 76% of homes in Riva Trace
  • Costs more per square foot than 66% of homes in Anne Arundel County
  • Smaller than 73% of homes in Riva Trace
  • Has a smaller lot than 94% of homes in Anne Arundel County
  • Newer than 92% of homes in Annapolis 21401

What homes are worth in Annapolis 21401

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

This home
$254K$2.5M

This home is worth more than 43% of homes in Annapolis 21401.

How it measures up in Annapolis 21401

The dot is this home. The mark in the middle is the typical home in Annapolis 21401.

Estimated value$595,971
CheaperTypical $650,305Pricier

Pricier than 43% of homes nearby

Price per ft²$298
CheaperTypical $322Pricier

Pricier than 39% of homes nearby

Living area2,000 ft²
SmallerTypical 1,859 ft²Bigger

Bigger than 56% of homes nearby

Lot size1,280 ft²
SmallerTypical 0.15 acBigger

Bigger than 16% of homes nearby

Year built2008
OlderTypical 1986Newer

Newer than 92% of homes nearby

How 306 Helmsman Aly ranks against every home in each area.
MeasureThis homeRiva TraceAnnapolis 21401Anne Arundel County
Estimated valuepricier than$595,97124% of homes43% of homes65% of homes
Price per ft²pricier than$29854% of homes39% of homes66% of homes
Living areabigger than2,000 ft²27% of homes56% of homes58% of homes
Lot sizebigger than1,280 ft²8% of homes16% of homes6% of homes
Year builtnewer than200867% of homes92% of homes87% of homes

About 306 Helmsman Aly

How much is 306 Helmsman Aly, Annapolis, MD worth?

The TopHap Estimate for 306 Helmsman Aly, Annapolis, MD is $595,971 as of Aug 30, 2026. The likely range is $560,443 to $631,499. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 306 Helmsman Aly, Annapolis, MD last sell?

306 Helmsman Aly, Annapolis, MD last sold on May 31, 2024 for $550,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 306 Helmsman Aly, Annapolis, MD?

306 Helmsman Aly, Annapolis, MD has 3 bathrooms, 2,000 square feet of living space and a 0.03-acre lot.

When was 306 Helmsman Aly, Annapolis, MD built?

306 Helmsman Aly, Annapolis, MD was built in 2008, making it 18 years old. It is a townhouse home. The building has 3 stories.

What schools serve 306 Helmsman Aly, Annapolis, MD?

306 Helmsman Aly, Annapolis, MD is assigned to Annapolis High School (high), rated C; Rolling Knolls Elementary School (elementary), rated A-; Wiley H. Bates Middle 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 306 Helmsman Aly, Annapolis, MD compare to other homes in Annapolis 21401?

Among the 14,511 homes in Annapolis 21401, it is worth more than 43% of them ($595,971 against a typical $650,305), its price per square foot is higher than 39% of them ($298 against a typical $322), it is bigger than 56% of them (2,000 ft² against a typical 1,859 ft²), its lot is bigger than 16% of them (1,280 ft² against a typical 0.15 ac) and it is newer than 92% of them (2008 against a typical 1986). Measured against all of Anne Arundel County, it is worth more than 65% 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 306 Helmsman Aly, Annapolis, MD?

The 2025 property tax bill for 306 Helmsman Aly, Annapolis, MD was $5,318. The county assessed it at $474,600.

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