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Single Family ResidenceResidential
$590,595$296 / 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 89How 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 $485,000 on Jan 8, 2019

398 ARMSTRONG LN

BALTIMORE, MD 21221
2
Baths
1,992 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1929
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$591K
$528K low$653K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$485,000 · Jan 8, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,153 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$541,333 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$492,867
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$589,800

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.48 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.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.Conventional
CountyBALTIMORE
Lot (acres)The size of the land the home sits on, from county records.0.22
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.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.Spa/Hot Tub (Only)
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 144 ft²Boat access

Transaction History(1)

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
Middleborough Elementary SchoolB
Elementary · Grades PK–5 · 0.6 mi
H
Chesapeake High SchoolD+
High · Grades 9–12 · 0.7 mi
M
Deep Creek Middle SchoolC-
Middle · Grades 6–8 · 1.6 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21221These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.42,396
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,898 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,330
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,410
Average tempThe average temperature here across a full year.56°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

398 Armstrong 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 95% of homes in Essex 21221
  • Costs more per square foot than 90% of homes in Essex 21221
  • Bigger than 84% of homes in Essex 21221
  • Has a bigger lot than 68% of homes in Essex 21221
  • Older than 93% of homes in Baltimore County

What homes are worth in Essex 21221

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

This home
$137K$716K

This home is worth more than 95% of homes in Essex 21221.

How it measures up in Essex 21221

The dot is this home. The mark in the middle is the typical home in Essex 21221.

Estimated value$590,595
CheaperTypical $281,757Pricier

Pricier than 95% of homes nearby

Price per ft²$296
CheaperTypical $207Pricier

Pricier than 90% of homes nearby

Living area1,992 ft²
SmallerTypical 1,244 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.22 ac
SmallerTypical 0.16 acBigger

Bigger than 68% of homes nearby

Year built1929
OlderTypical 1957Newer

Newer than 9% of homes nearby

How 398 Armstrong Ln ranks against every home in each area.
MeasureThis homeEssex 21221Baltimore County
Estimated valuepricier than$590,59595% of homes84% of homes
Price per ft²pricier than$29690% of homes83% of homes
Living areabigger than1,992 ft²84% of homes74% of homes
Lot sizebigger than0.22 ac68% of homes64% of homes
Year builtnewer than19299% of homes7% of homes

About 398 Armstrong Ln

How much is 398 Armstrong Ln, Baltimore, MD worth?

The TopHap Estimate for 398 Armstrong Ln, Baltimore, MD is $590,595 as of Jul 14, 2026. The likely range is $527,895 to $653,295. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 398 Armstrong Ln, Baltimore, MD last sell?

398 Armstrong Ln, Baltimore, MD last sold on Jan 8, 2019 for $485,000, according to the county's recorded deed.

How big is 398 Armstrong Ln, Baltimore, MD?

398 Armstrong Ln, Baltimore, MD has 2 bathrooms, 1,992 square feet of living space and a 0.22-acre lot.

When was 398 Armstrong Ln, Baltimore, MD built?

398 Armstrong Ln, Baltimore, MD was built in 1929, making it 97 years old. It is a conventional home. The building has 2 stories.

What schools serve 398 Armstrong Ln, Baltimore, MD?

398 Armstrong Ln, Baltimore, MD is assigned to Middleborough Elementary School (elementary), rated B; Chesapeake High School (high), rated D+; Deep Creek Middle School (middle), rated C-. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 398 Armstrong Ln, Baltimore, MD compare to other homes in Essex 21221?

Among the 12,677 homes in Essex 21221, it is worth more than 95% of them ($590,595 against a typical $281,757), its price per square foot is higher than 90% of them ($296 against a typical $207), it is bigger than 84% of them (1,992 ft² against a typical 1,244 ft²), its lot is bigger than 68% of them (0.22 ac against a typical 0.16 ac) and it is newer than 9% of them (1929 against a typical 1957). Measured against all of Baltimore County, it is worth more than 84% 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 398 Armstrong Ln, Baltimore, MD?

The 2024 property tax bill for 398 Armstrong Ln, Baltimore, MD was $7,153. The county assessed it at $541,333.

More homes on Armstrong Ln

Closest homes

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Assigned schools

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