Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$503,472$185 / 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 $315,000 on Apr 30, 2013

4 POTOMAC AVE

BERLIN, MD 21811
3
Baths
2,728 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$503K
$473K low$534K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,000 · Apr 30, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,074 (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.$491,000 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$424,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$557,500

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.60 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.72%
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
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.0.15
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
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

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
Showell Elementary SchoolA
Elementary · Grades PK–3 · 2.2 mi
H
Stephen Decatur High SchoolB+
High · Grades 9–12 · 2.8 mi
M
Stephen Decatur Middle SchoolA+
Middle · Grades 7–8 · 3.0 mi

District: Worcester County Public Schools

Neighborhood · ZIP 21811These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.70%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.24,607
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.200 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,659
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,978
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

Do you own this home?
Claim this home

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

4 Potomac 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.

  • Costs less per square foot than 93% of homes in Berlin 21811
  • Bigger than 91% of homes in Worcester County
  • Has a smaller lot than 81% of homes in Berlin 21811
  • Newer than 87% of homes in Worcester County

What homes are worth in Berlin 21811

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

This home
$210K$1.3M

This home is worth more than 62% of homes in Berlin 21811.

How it measures up in Berlin 21811

The dot is this home. The mark in the middle is the typical home in Berlin 21811.

Estimated value$503,472
CheaperTypical $445,531Pricier

Pricier than 62% of homes nearby

Price per ft²$185
CheaperTypical $260Pricier

Pricier than 7% of homes nearby

Living area2,728 ft²
SmallerTypical 1,688 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.15 ac
SmallerTypical 0.23 acBigger

Bigger than 19% of homes nearby

Year built2005
OlderTypical 1994Newer

Newer than 82% of homes nearby

How 4 Potomac Ave ranks against every home in each area.
MeasureThis homeBerlin 21811Worcester County
Estimated valuepricier than$503,47262% of homes58% of homes
Price per ft²pricier than$1857% of homes10% of homes
Living areabigger than2,728 ft²85% of homes91% of homes
Lot sizebigger than0.15 ac19% of homes36% of homes
Year builtnewer than200582% of homes87% of homes

About 4 Potomac Ave

How much is 4 Potomac Ave, Berlin, MD worth?

The TopHap Estimate for 4 Potomac Ave, Berlin, MD is $503,472 as of Aug 30, 2026. The likely range is $472,561 to $534,383. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Potomac Ave, Berlin, MD last sell?

4 Potomac Ave, Berlin, MD last sold on Apr 30, 2013 for $315,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4 Potomac Ave, Berlin, MD?

4 Potomac Ave, Berlin, MD has 3 bathrooms, 2,728 square feet of living space and a 0.15-acre lot.

When was 4 Potomac Ave, Berlin, MD built?

4 Potomac Ave, Berlin, MD was built in 2005, making it 21 years old. The building has 1 story.

What schools serve 4 Potomac Ave, Berlin, MD?

4 Potomac Ave, Berlin, MD is assigned to Showell Elementary School (elementary), rated A; Stephen Decatur High School (high), rated B+; Stephen Decatur Middle School (middle), rated A+. All sit in Worcester County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Potomac Ave, Berlin, MD compare to other homes in Berlin 21811?

Among the 15,255 homes in Berlin 21811, it is worth more than 62% of them ($503,472 against a typical $445,531), its price per square foot is higher than 7% of them ($185 against a typical $260), it is bigger than 85% of them (2,728 ft² against a typical 1,688 ft²), its lot is bigger than 19% of them (0.15 ac against a typical 0.23 ac) and it is newer than 82% of them (2005 against a typical 1994). Measured against all of Worcester County, it is worth more than 58% 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 4 Potomac Ave, Berlin, MD?

The 2025 property tax bill for 4 Potomac Ave, Berlin, MD was $3,074. The county assessed it at $491,000.

More homes on Potomac Ave

Closest homes

More homes in Berlin 21811

Assigned schools

Explore the area

See this home in context

Open 4 Potomac Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map