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Single Family ResidenceResidential
$2,767,146$547 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $170,000 on Dec 5, 1979

20 SOUTHGATE AVE

ANNAPOLIS, MD 21401
4.5
Baths
5,059 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
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

$2.8M
$2.4M low$3.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$170,000 · Dec 5, 1979

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,438,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$868,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$570,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,341,133
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,438,700

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
90
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.34 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
CountyANNE ARUNDEL
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Radiant
CoolingThe type of cooling or air conditioning in the home.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.Deck · 132 ft²Porch · 368 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Annapolis Elementary SchoolD+
Elementary · Grades EE–5 · 0.5 mi
M
Wiley H. Bates Middle SchoolB-
Middle · Grades 6–8 · 0.6 mi
H
Annapolis High SchoolC-
High · Grades 9–12 · 3.8 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

20 Southgate 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.

  • Among the most valuable homes in Anne Arundel County
  • Costs more per square foot than 97% of homes in Anne Arundel County
  • Bigger than 98% of homes in Anne Arundel County
  • Has a bigger lot than 92% of homes in St. John's College
  • Among the oldest homes in Anne Arundel County

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
$240K$2.7M

This home is worth more than 98% 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$2,767,146
CheaperTypical $634,001Pricier

Pricier than 98% of homes nearby

Price per ft²$547
CheaperTypical $336Pricier

Pricier than 87% of homes nearby

Living area5,059 ft²
SmallerTypical 1,858 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.17 ac
SmallerTypical 0.15 acBigger

Bigger than 55% of homes nearby

Year built1910
OlderTypical 1986Newer

Newer than 5% of homes nearby

How 20 Southgate Ave ranks against every home in each area.
MeasureThis homeSt. John's CollegeAnnapolis 21401Anne Arundel County
Estimated valuepricier than$2,767,14692% of homes98% of homesalmost all homes
Price per ft²pricier than$54731% of homes87% of homes97% of homes
Living areabigger than5,059 ft²96% of homes97% of homes98% of homes
Lot sizebigger than0.17 ac92% of homes55% of homes46% of homes
Year builtnewer than191043% of homes5% of homesalmost no homes

About 20 Southgate Ave

How much is 20 Southgate Ave, Annapolis, MD worth?

The TopHap Estimate for 20 Southgate Ave, Annapolis, MD is $2,767,146 as of Sep 24, 2026. The likely range is $2,385,086 to $3,149,206. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Southgate Ave, Annapolis, MD last sell?

20 Southgate Ave, Annapolis, MD last sold on Dec 5, 1979 for $170,000, according to the county's recorded deed.

How big is 20 Southgate Ave, Annapolis, MD?

20 Southgate Ave, Annapolis, MD has 4.5 bathrooms, 5,059 square feet of living space and a 0.17-acre lot.

When was 20 Southgate Ave, Annapolis, MD built?

20 Southgate Ave, Annapolis, MD was built in 1910, making it 116 years old. It is a conventional home. The building has 3 stories.

What schools serve 20 Southgate Ave, Annapolis, MD?

20 Southgate Ave, Annapolis, MD is assigned to Annapolis Elementary School (elementary), rated D+; Wiley H. Bates Middle School (middle), rated B-; Annapolis High School (high), rated C-. All sit in Anne Arundel County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Southgate Ave, Annapolis, MD compare to other homes in Annapolis 21401?

Among the 14,511 homes in Annapolis 21401, it is worth more than 98% of them ($2,767,146 against a typical $634,001), its price per square foot is higher than 87% of them ($547 against a typical $336), it is bigger than 97% of them (5,059 ft² against a typical 1,858 ft²), its lot is bigger than 55% of them (0.17 ac against a typical 0.15 ac) and it is newer than 5% of them (1910 against a typical 1986). Measured against all of Anne Arundel County, it is worth more than almost all homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Southgate Ave

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